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C# 类似vs(Visual Studio) 属性设置效果 winform示例源码下载 C#语言基础-第1张/* * Copyright ?2005, Patrik Bohman * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. */using System;using System.Collections;using System.ComponentModel;using System.ComponentModel.Design;using System.ComponentModel.Design.Serialization;using System.Drawing;using System.Drawing.Design; using System.Drawing.Drawing2D;using System.Data;using System.Windows.Forms;using System.Windows.Forms.Design; using System.Runtime.Serialization;using System.Security.Permissions;using System.Diagnostics;using System.Runtime.InteropServices; namespace Pabo.MozBar{#region Enumerationspublic enum MozPaneStyle {Vertical = 0, Horizontal = 1 }public enum MozSelectButton {Any = 0, Left = 1, Middle = 2, Right = 3 }public enum MozItemColor {Background = 0, Border = 1, Text = 2, FocusBackground = 3, FocusBorder = 4,SelectedBackground = 5, SelectedBorder = 6, Divider = 7,SelectedText = 8, FocusText = 9 }#endregion#region Delegatespublic delegate void ItemColorChangedEventHandler(object sender, ItemColorChangedEventArgs e);public delegate void ItemBorderStyleChangedEventHandler(object sender, ItemBorderStyleChangedEventArgs e);#endregion/// <summary>/// Summary description for MozPane./// </summary>[DesignerAttribute(typeof(MozPaneDesigner))][ToolboxItem(true)][DefaultEvent("ItemClick")][ToolboxBitmap(typeof(MozPane),"Pabo.MozBar.MozPane.bmp")]public class MozPane : ScrollableControlWithScrollEvents , ISupportInitialize {#region Win32 API functions[DllImport("user32.dll")]private static extern int ShowScrollBar(IntPtr hWnd, int wBar, int bShow);[DllImport("user32", CharSet=CharSet.Auto)]private static extern int GetWindowLong(IntPtr hwnd, int nIndex);#endregion#region Win32 API constantsprivate const int WM_THEMECHANGED = 0x031A;private const int WM_KEYDOWN = 0x100;private const int SB_HORZ = 0;private const int SB_VERT = 1;private const int SB_CTL = 2;private const int SB_BOTH = 3;private const int WM_NCCALCSIZE = 0x83;private const int WS_HSCROLL = 0x100000;private const int WS_VSCROLL = 0x200000;private const int GWL_STYLE = (-16);#endregion#region EventHandlers[Browsable(true)][Category("Property Changed")][Description("Indicates that an item color has changed.")]public event ItemColorChangedEventHandler ItemColorChanged;[Browsable(true)][Category("Property Changed")][Description("Indicates that an item borderstyle has changed.")]public event ItemBorderStyleChangedEventHandler ItemBorderStyleChanged;[Browsable(true)][Category("Property Changed")][Description("Indicates that the border color was changed.")]public event EventHandler BorderColorChanged;[Browsable(true)][Category("Property Changed")][Description("Indicates that the Theme setting was changed.")]public event EventHandler UseThemeChanged;[Browsable(true)][Category("Property Changed")][Description("Indicates that the select button was changed.")]public event EventHandler SelectButtonChanged;[Browsable(true)][Category("Property Changed")][Description("Indicates that the imagelist has has been changed.")]public event EventHandler ImageListChanged;[Browsable(true)][Category("Property Changed")][Description("Indicates that the style has been changed.")]public event EventHandler PaneStyleChanged;[Browsable(true)][Category("Property Changed")][Description("Indicates that the toggle property has been changed.")]public event EventHandler ToggleChanged;[Browsable(true)][Category("Property Changed")][Description("Indicates the max allowed number of selected items has changed.")]public event EventHandler MaxSelectedItemsChanged;[Browsable(true)][Category("Property Changed")][Description("Indicates that the padding has has been changed.")]public event EventHandler PaddingChanged;[Category("Panel")][Description("Indicates that an item was added to the panel.")][Browsable(true)]public event MozItemEventHandler ItemAdded; [Category("Panel")][Description("Indicates that an item was removed from the panel.")][Browsable(true)]public event MozItemEventHandler ItemRemoved; [Category("Action")][Description("Indicates that an item was selected.")][Browsable(true)]public event MozItemEventHandler ItemSelected;[Category("Action")][Description("Indicates that an item was unselected.")][Browsable(true)]public event MozItemEventHandler ItemDeselected;[Category("Action")][Description("Indicates that an item lost focus.")][Browsable(true)]public event MozItemEventHandler ItemLostFocus;[Category("Action")][Description("Indicates that an item recieved focus.")][Browsable(true)]public event MozItemEventHandler ItemGotFocus;[Category("Action")][Description("Indicates that an item has been double clicked.")][Browsable(true)]public event MozItemClickEventHandler ItemDoubleClick;[Category("Action")][Description("Indicates that an item has been clicked.")][Browsable(true)]public event MozItemClickEventHandler ItemClick;#endregion#region private class membersprivate System.ComponentModel.Container components = null;private bool layout;private int beginUpdateCount;internal bool deserializing;internal bool initialising;private int m_tabIndex = -1;private MozItem m_mouseOverItem = null;private Color m_borderColor;private PaddingCollection m_padding;private ColorCollection m_colorCollection;private BorderStyleCollection m_borderStyleCollection;private MozSelectButton m_selectButton;private ThemeManager m_themeManager;private MozPaneStyle m_style;private IntPtr m_theme;private bool m_useTheme;private bool m_toggle;private int m_maxSelectedItems;private int m_selectedItems;private ButtonBorderStyle m_borderStyle;private ImageList m_imageList = null;private MozPane.MozItemCollection m_mozItemCollection;#endregion#region Constructorpublic MozPane(){// This call is required by the Windows.Forms Form Designer.InitializeComponent();// TODO: remove the following lines after you know the resource names// This call is required by the Windows.Forms Form Designer.components = new System.ComponentModel.Container();this.SetStyle(ControlStyles.DoubleBuffer, true);this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);this.SetStyle(ControlStyles.UserPaint, true);this.SetStyle(ControlStyles.ResizeRedraw, true);this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);this.SetStyle(ControlStyles.ContainerControl,true); this.m_mozItemCollection = new MozItemCollection(this);// Enable Autoscrollthis.AutoScroll = true;m_padding = new PaddingCollection(this);m_colorCollection = new ColorCollection(this);m_borderStyleCollection = new BorderStyleCollection(this);m_themeManager = new ThemeManager(); m_selectButton = MozSelectButton.Left; m_style = MozPaneStyle.Vertical;m_toggle = false;m_maxSelectedItems = 1; m_selectedItems = 0;m_useTheme = false;m_theme = IntPtr.Zero; // Listen for changes to the parentthis.ParentChanged = new EventHandler(this.OnParentChanged);this.beginUpdateCount = 0;this.deserializing = false;this.initialising = false;m_borderColor = Color.FromArgb(127,157,185);this.BackColor = Color.White;m_borderStyle = ButtonBorderStyle.Solid; }#endregion#region Dispose/// <summary>/// Clean up any resources being used./// </summary>protected override void Dispose( bool disposing ){if( disposing ){if( components != null )components.Dispose();m_colorCollection.Dispose();m_borderStyleCollection.Dispose();}base.Dispose( disposing );}#endregion#region properties[DefaultValue(typeof(Color),"White")]public override Color BackColor{get{return base.BackColor;}set{base.BackColor = value;}}[Category("Behavior")][Description("Mouse button used to select items.")][DefaultValue(typeof(MozSelectButton),"Left")]public MozSelectButton SelectButton{get{return m_selectButton;}set{if (m_selectButton!=value){m_selectButton = value;if (this.SelectButtonChanged !=null)this.SelectButtonChanged(this,new EventArgs()); }}}[Category("Behavior")][Description("Indicates wether the control should use the current theme.")][DefaultValue(false)]public bool Theme{get{return m_useTheme;}set{if (m_useTheme!=value){m_useTheme = value;if (this.UseThemeChanged !=null)this.UseThemeChanged(this,new EventArgs()); if (m_useTheme)GetThemeColors();}}}[Browsable(true)][Category("Behavior")][RefreshProperties(RefreshProperties.All)][Description("Indicates the possibility to toggle items i.e. unselect selected items.")][DefaultValue(false)]public bool Toggle{get{return m_toggle;}set{// Check if new value differs from old oneif (value!=m_toggle){m_toggle = value;if (value == false) MaxSelectedItems = 1;if (this.ToggleChanged!=null) this.ToggleChanged(this,new EventArgs());}}}[Browsable(true)][Category("Behavior")][Description("Max number of selected items.")][DefaultValue(1)]public int MaxSelectedItems{get{return m_maxSelectedItems;}set{if (value!=m_maxSelectedItems){if (value<1) value = 1;if (value>Items.Count) value = Items.Count;m_maxSelectedItems = value;if (this.MaxSelectedItemsChanged!=null) this.MaxSelectedItemsChanged(this,new EventArgs());}}}// Returns number of selected item in the panel[Browsable(false)]public int SelectedItems{get{return m_selectedItems;}}[Browsable(true)][Category("Appearance")][Description("Colors for various states.")][DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]public ColorCollection ItemColors{get{return m_colorCollection;}set{if (value != null)m_colorCollection = value;}}[Browsable(true)][Category("Appearance")][Description("Various border styles.")][DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]public BorderStyleCollection ItemBorderStyles{get{return m_borderStyleCollection;}set{if ((value != null) && (value !=m_borderStyleCollection))m_borderStyleCollection = value;}}[Browsable(true)][Category("Appearance")][Description("Padding (Horizontal, Vertical)")][DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]public PaddingCollection Padding{get{return m_padding;}set{if (value!=m_padding){if (value != null)m_padding = value;DoLayout();Invalidate();if (this.PaddingChanged!=null) this.PaddingChanged(this,new EventArgs());}}}[Browsable(true)][Category("Appearance")][DefaultValue(typeof(MozPaneStyle),"Vertical")][Description("Pane style.")]public MozPaneStyle Style{get{return m_style;}set{if (m_style !=value){m_style = value;// for each control in our list...for (int i=0; i<this.Items.Count; i ){// force layout changethis.Items[i].DoLayout();this.Invalidate(); }DoLayout();Invalidate();if (this.PaneStyleChanged!=null) this.PaneStyleChanged(this,new EventArgs());}}}[Browsable(true)][Category("Behavior")][Description("The imagelist that contains images used by the MozBar.")]public ImageList ImageList{get{return m_imageList;}set{if (m_imageList != value){m_imageList = value;// for each control in our list...for (int i=0; i<this.Items.Count; i ){// reset all imagesthis.Items[i].Images.NormalImage = null; this.Items[i].Images.FocusImage = null;this.Items[i].Images.SelectedImage = null;//redo layout (size might have changed..)this.Items[i].DoLayout();this.Invalidate(); }if (this.ImageListChanged!=null) ImageListChanged(this,new EventArgs());this.DoLayout(); Invalidate();}}}[Browsable(true)][Category("Appearance")][DefaultValue(typeof(ButtonBorderStyle),"Solid")][Description("Border color for panel.")]public ButtonBorderStyle BorderStyle{get{return m_borderStyle;}set{if (m_borderStyle!=value){m_borderStyle = value;Invalidate();}}}[Browsable(true)][Category("Appearance")][DefaultValue(typeof(Color),"127,157,185")][Description("Border color for panel.")]public Color BorderColor{get{return m_borderColor;}set{if (value!=m_borderColor){m_borderColor = value;if (this.BorderColorChanged!=null) BorderColorChanged(this,new EventArgs());Invalidate();}}}[Category("Behavior")][DefaultValue(null)][Description("The Items contained in the Panel."),][DesignerSerializationVisibility(DesignerSerializationVisibility.Content)] [Editor(typeof(MozPane.MozItemCollectionEditor), typeof(UITypeEditor))]public MozPane.MozItemCollection Items{get{return this.m_mozItemCollection;}}[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]public new Control.ControlCollection Controls{get{return base.Controls;}}// obsolete properties[Browsable(false)][EditorBrowsable(EditorBrowsableState.Never)][ObsoleteAttribute("This property is not supported",true)]public override Image BackgroundImage{get{return base.BackgroundImage;}set{base.BackgroundImage = value;}}[Browsable(false)][EditorBrowsable(EditorBrowsableState.Never)][ObsoleteAttribute("This property is not supported",true)]public override RightToLeft RightToLeft{get{return base.RightToLeft;}set{base.RightToLeft = value;}}[Browsable(false)][EditorBrowsable(EditorBrowsableState.Never)][ObsoleteAttribute("This property is not supported",true)]public override string Text{get{return base.Text;}set{base.Text = value;}}[Browsable(false)][EditorBrowsable(EditorBrowsableState.Never)][ObsoleteAttribute("This property is not supported",true)]public override Color ForeColor{get{return base.ForeColor;}set{base.ForeColor = value;}}[Browsable(false)][EditorBrowsable(EditorBrowsableState.Never)][ObsoleteAttribute("This property is not supported",true)]public override bool AutoScroll{get{return base.AutoScroll;}set{base.AutoScroll = true;}}#endregion#region Eventsprotected override void OnGotFocus(EventArgs e){base.OnGotFocus (e);if (m_tabIndex==-1)m_tabIndex = 0;RemoveFocus();if (Items.Count>=1)if (Items[m_tabIndex].state!=MozItemState.Selected){Items[m_tabIndex].state = MozItemState.Focus; ScrollControlIntoView(Items[m_tabIndex]);}}protected override void OnLostFocus(EventArgs e){base.OnLostFocus (e);RemoveFocus();m_tabIndex = -1;}//protected override onpprotected override void OnKeyDown(KeyEventArgs e){base.OnKeyDown (e);switch (e.KeyCode){ case Keys.Enter: // Entercase Keys.Space: {if (m_tabIndex!=-1)SelectItem(m_tabIndex); break;}case Keys.Down:case Keys.Right:case Keys.Tab: {// Move tabindex one step forward.m_tabIndex ;if ((m_tabIndex < Items.Count) && (m_tabIndex >0)){RemoveFocus();if (Items[m_tabIndex].state!=MozItemState.Selected)Items[m_tabIndex].state = MozItemState.Focus;ScrollControlIntoView(Items[m_tabIndex]);}else this.SelectNextControl(this,true,true,true,true); break;}case Keys.Up:case Keys.Left:{// Move tabindex one step backwardm_tabIndex--;if ((m_tabIndex >= 0) && (m_tabIndex <Items.Count)){RemoveFocus();if (Items[m_tabIndex].state!=MozItemState.Selected)Items[m_tabIndex].state = MozItemState.Focus;ScrollControlIntoView(Items[m_tabIndex]);}else this.SelectNextControl(this,false,true,true,true);break;}}}public override bool PreProcessMessage(ref Message msg){// Check if message is KEY_DOWNif (msg.Msg == WM_KEYDOWN){Keys keyData = ((Keys) (int) msg.WParam) |ModifierKeys;Keys keyCode = ((Keys) (int) msg.WParam);// Make sure we handle certain keysswitch(keyCode){// Keys used to move forward i listcase Keys.Down:case Keys.Right:case Keys.Tab: {// If not at the end handle messageif (m_tabIndex < Items.Count-1)return false;//Cant go any further backwards , do not handle message;m_tabIndex = -1;break;}// Keys used to move backwards in listcase Keys.Up:case Keys.Left:{// If not at the end handle messageif (m_tabIndex >0)return false;//Cant go any further foreward , do not handle message;m_tabIndex = -1;break;}default:break;} }return base.PreProcessMessage (ref msg);}protected override void OnSystemColorsChanged(EventArgs e){base.OnSystemColorsChanged (e);if (Theme)GetThemeColors();}protected override void WndProc(ref Message m){base.WndProc (ref m);switch (m.Msg){case WM_THEMECHANGED:{// Theme has changed , get new colors if Theme = trueif (Theme)GetThemeColors();break;}case WM_NCCALCSIZE:{if (this.Style == MozPaneStyle.Vertical){// hide horizontal scrollbarShowScrollBar(m.HWnd, SB_HORZ, 0);}else{// hide vertical scrollbarShowScrollBar(m.HWnd, SB_VERT, 0);}break;}}}protected override void OnSizeChanged(EventArgs e){base.OnSizeChanged (e);this.AutoScroll = false; this.AutoScroll = true;}protected override void OnPaint(PaintEventArgs e){ButtonBorderStyle leftStyle = m_borderStyle;ButtonBorderStyle topStyle = m_borderStyle;ButtonBorderStyle rightStyle = m_borderStyle;ButtonBorderStyle bottomStyle = m_borderStyle;base.OnPaint(e); Rectangle borderRect = new Rectangle();borderRect = this.DisplayRectangle;Brush bgBrush = new SolidBrush(this.BackColor); // Draw background and bordere.Graphics.FillRectangle(bgBrush,this.DisplayRectangle); if (this.Style == MozPaneStyle.Vertical){if (IsVerticalScrollBarVisible()){topStyle = ButtonBorderStyle.None;bottomStyle = ButtonBorderStyle.None;}}else{if (IsHorizontalScrollBarVisible()){leftStyle = ButtonBorderStyle.None;rightStyle = ButtonBorderStyle.None;}}ControlPaint.DrawBorder(e.Graphics,borderRect , m_borderColor,1,leftStyle, // leftm_borderColor,1,topStyle, // topm_borderColor,1,rightStyle,// rightm_borderColor,1,bottomStyle); //bottom// clean upbgBrush.Dispose();}private void OnParentChanged(object sender, EventArgs e){if (this.Parent != null){this.Parent.VisibleChanged = new EventHandler(this.OnParentVisibleChanged);}}private void OnParentVisibleChanged(object sender, EventArgs e){if (sender != this.Parent){((Control) sender).VisibleChanged -= new EventHandler(this.OnParentVisibleChanged);return;}if (this.Parent.Visible){this.DoLayout();}}protected override void OnResize(EventArgs e){// size has changed , force layout changethis.DoLayout();Invalidate(true);}private void MozItem_GotFocus(object sender, MozItemEventArgs e){//Check if item is selectedif (e.MozItem.state != MozItemState.Selected){// if not set its state to focuse.MozItem.state = MozItemState.Focus; m_mouseOverItem = e.MozItem;if (ItemGotFocus != null) ItemGotFocus(this,e);}}private void MozItem_LostFocus(object sender, MozItemEventArgs e){// check if item is selectedif (e.MozItem.state != MozItemState.Selected){// if not set its state to normale.MozItem.state = MozItemState.Normal;m_mouseOverItem = null;if (ItemLostFocus != null) ItemLostFocus(this,e);}}private void MozItem_Click(object sender, MozItemClickEventArgs e){// Fire click event and then ...if (ItemClick != null) ItemClick(this,e);// Try to select item if the proper button was used.if ((e.Button.ToString() == SelectButton.ToString()) ||(SelectButton == MozSelectButton.Any)){m_tabIndex = Items.IndexOf(e.MozItem); this.Focus(); SelectItem(Items.IndexOf(e.MozItem)); }}private void MozItem_DoubleClick(object sender, MozItemClickEventArgs e){if (ItemDoubleClick != null) ItemDoubleClick(this,e);}protected override void OnControlAdded(ControlEventArgs e){// check if control is a MozItemif ((e.Control as MozItem) == null){// If not remove and...this.Controls.Remove(e.Control);// throw exceptionthrow new InvalidCastException("Only MozItem's can be added to the MozPane");}base.OnControlAdded(e);// Check if item exists in collectionif (!this.Items.Contains((MozItem) e.Control)){// if not add itthis.Items.Add((MozItem) e.Control);}// RefreshInvalidate();}protected override void OnControlRemoved(ControlEventArgs e){base.OnControlRemoved (e);// Check if item is in collectionif (this.Items.Contains(e.Control)){// If it is , remove itthis.Items.Remove((MozItem) e.Control);}// RefreshInvalidate();}protected virtual void OnMozItemAdded(MozItemEventArgs e){if (!this.Controls.Contains(e.MozItem)){this.Controls.Add(e.MozItem);} // tell the MozItem who's its daddy...e.MozItem.MozPane = this;// listen for eventse.MozItem.ItemGotFocus =new MozItemEventHandler(MozItem_GotFocus); e.MozItem.ItemLostFocus =new MozItemEventHandler(MozItem_LostFocus); e.MozItem.ItemClick =new MozItemClickEventHandler(MozItem_Click);e.MozItem.ItemDoubleClick = new MozItemClickEventHandler(MozItem_DoubleClick); // update the layout of the controlsthis.DoLayout();if (ItemAdded != null){ItemAdded(this, e);}}protected virtual void OnMozItemRemoved(MozItemEventArgs e){if (this.Controls.Contains(e.MozItem)){this.Controls.Remove(e.MozItem);}// remove event listenerse.MozItem.ItemGotFocus -=new MozItemEventHandler(MozItem_GotFocus); e.MozItem.ItemLostFocus -= new MozItemEventHandler(MozItem_LostFocus); e.MozItem.ItemClick -=new MozItemClickEventHandler(MozItem_Click);e.MozItem.ItemDoubleClick -= new MozItemClickEventHandler(MozItem_DoubleClick); // update the layout of the controlsthis.DoLayout();if (ItemRemoved != null){ItemRemoved(this, e);}}#endregion#region Methods#region ISupportInitialize Members/// <summary>/// Signals the MozPane that initialization is starting/// </summary>public void BeginInit(){this.initialising = true;}/// <summary>/// Signals the MozPane that initialization is complete/// </summary>public void EndInit(){this.initialising = false;//this.DoLayout();}#endregion#region Layoutpublic void DoLayout(){this.DoLayout(false);}public void DoLayout(bool performRealLayout){if (this.layout || this.beginUpdateCount > 0 || this.deserializing){return;}this.layout = true;this.SuspendLayout();MozItem e;Point p;switch (m_style){case MozPaneStyle.Vertical: // Vertical{// work out how wide to make the controls, and where// the top of the first control should beint y = this.DisplayRectangle.Y m_padding.Vertical;int width = this.ClientRectangle.Width - (2*m_padding.Horizontal);// for each control in our list...for (int i=0; i<this.Items.Count; i ){e = this.Items[i];// go to the next mozitem if this one is invisible and // it's parent is visibleif (!e.Visible && e.Parent != null && e.Parent.Visible){continue;}p = new Point(m_padding.Horizontal, y);// set the width and location of the controle.Location = p;e.Width = this.Width;// update the next starting pointy = e.Height m_padding.Vertical;}break;}case MozPaneStyle.Horizontal: // Horizontal{int x = this.DisplayRectangle.X m_padding.Horizontal;int height = this.ClientRectangle.Height - (2*m_padding.Vertical);for (int i=0; i<this.Items.Count; i ){e = this.Items[i];if (!e.Visible && e.Parent != null && e.Parent.Visible){continue;}p = new Point(x,m_padding.Vertical);e.Location = p;e.Height = height;x = e.Width m_padding.Horizontal;}break;}}// restart the layout enginethis.ResumeLayout(performRealLayout);this.layout = false;}internal bool IsVerticalScrollBarVisible(){return (GetWindowLong(this.Handle, GWL_STYLE) & WS_VSCROLL) != 0;}internal bool IsHorizontalScrollBarVisible(){return (GetWindowLong(this.Handle, GWL_STYLE) & WS_HSCROLL) != 0;}internal void UpdateMozItems(){if (this.Items.Count == this.Controls.Count){this.MatchControlCollToMozItemsColl();return;}if (this.Items.Count > this.Controls.Count){for (int i=0; i<this.Items.Count; i ){if (!this.Controls.Contains(this.Items[i])){this.OnMozItemAdded(new MozItemEventArgs(this.Items[i]));}}}else{int i = 0;MozItem mozItem;while (i < this.Controls.Count){mozItem = (MozItem) this.Controls[i];if (!this.Items.Contains(mozItem)){this.OnMozItemRemoved(new MozItemEventArgs(mozItem));}else{i ;}}}}internal void MatchControlCollToMozItemsColl(){this.SuspendLayout();for (int i=0; i<this.Items.Count; i ){this.Controls.SetChildIndex(this.Items[i], i);}this.ResumeLayout(false);this.DoLayout(true);this.Invalidate(true);}#endregionprivate void RemoveFocus(){for (int i = 0;i<Items.Count;i ){if ((Items[i].state == MozItemState.Focus) && (Items[i] != m_mouseOverItem)){Items[i].state = MozItemState.Normal; }}}private void GetThemeColors(){int EPB_HEADERBACKGROUND = 1;int EPB_NORMALGROUPBACKGROUND = 5;int TMT_GRADIENTCOLOR1 = 3810;int TMT_GRADIENTCOLOR2 = 3811;Color selectColor = new Color(); Color focusColor = new Color();Color borderColor = new Color();bool useSystemColors = false;// Check if themes are availableif (m_themeManager._IsAppThemed()){if (m_theme!=IntPtr.Zero)m_themeManager._CloseThemeData(m_theme); // Open themes for "ExplorerBar"m_theme = m_themeManager._OpenThemeData(this.Handle,"EXPLORERBAR"); if (m_theme!=IntPtr.Zero){// Get Theme colors..selectColor = m_themeManager._GetThemeColor(m_theme,EPB_HEADERBACKGROUND,1,TMT_GRADIENTCOLOR2); focusColor = m_themeManager._GetThemeColor(m_theme,EPB_NORMALGROUPBACKGROUND,1,TMT_GRADIENTCOLOR1); borderColor = ControlPaint.Light(selectColor);selectColor = ControlPaint.LightLight(selectColor);focusColor = ControlPaint.LightLight(selectColor);}else{useSystemColors = true;}}else{useSystemColors = true;}if (useSystemColors){// Get System colorsselectColor = SystemColors.ActiveCaption; focusColor = ControlPaint.Light(selectColor); borderColor = SystemColors.ActiveBorder;}// apply colors..ItemColors.SelectedBorder = ControlPaint.Light(ControlPaint.Dark(selectColor));this.BorderColor = borderColor;ItemColors.Divider = borderColor; ItemColors.SelectedBackground = selectColor;ItemColors.FocusBackground = focusColor;ItemColors.FocusBorder = selectColor;Invalidate();}public void SelectItem(int index){// Check if index is validif (index >=0 && index <=Items.Count-1){// Check if item is selectedif (Items[index].state != MozItemState.Selected) {// Is it a divider ?if (Items[index].ItemStyle!=MozItemStyle.Divider){// Check if toggle is enabledif (!Toggle){// for each control in our list...for (int i=0; i<this.Items.Count; i ){// set all items to not selectedif ((Items[i]!=m_mouseOverItem) || (Items[i].state == MozItemState.Selected)) Items[i].state = MozItemState.Normal;}// No item is selectedm_selectedItems=0;}// Check that the allowed number of selected items isnt exceededif (m_maxSelectedItems >= m_selectedItems 1){// set our item to selectedItems[index].state = MozItemState.Selected;m_selectedItems ;// Scroll selected item into viewScrollControlIntoView(Items[index]);if (ItemSelected != null) ItemSelected(this,new MozItemEventArgs(Items[index])); }}}else{if (Toggle){//unselect selected item by setting its state to FocusItems[index].state = MozItemState.Focus;m_selectedItems--;if (ItemDeselected != null) ItemDeselected(this,new MozItemEventArgs(Items[index])); }}}}public void SelectItem(string tag){// loop through item collectionfor (int i=0; i<this.Items.Count; i ){// if matching tag is found try to select itemif (this.Items[i].Tag.ToString() == tag)SelectItem(i);}}#endregion#region Component Designer generated code/// <summary>/// Required method for Designer support - do not modify /// the contents of this method with the code editor./// </summary>private void InitializeComponent(){components = new System.ComponentModel.Container();}#endregion#region MozItemsCollection/// <summary>/// Represents a collection of MozItem objects/// </summary>public class MozItemCollection : CollectionBase {#region Class Data/// <summary>/// The MozPane that owns this MozItemsCollection/// </summary>private MozPane owner;#endregion#region Constructorpublic MozItemCollection(MozPane owner) : base(){if (owner == null){throw new ArgumentNullException("owner");}this.owner = owner;}public MozItemCollection(MozPane owner, MozItemCollection mozItems) : this(owner){this.Add(mozItems);}#endregion#region Methodspublic void Add(MozItem value){if (value == null){throw new ArgumentNullException("value");}this.List.Add(value);if (this.owner != null && !this.owner.deserializing){this.owner.Controls.Add(value);this.owner.OnMozItemAdded(new MozItemEventArgs(value));}}public void AddRange(MozItem[] mozItems){if (mozItems == null){throw new ArgumentNullException("mozItems");}for (int i=0; i<mozItems.Length; i ){this.Add(mozItems[i]);}}public void Add(MozItemCollection mozItems){if (mozItems == null){throw new ArgumentNullException("mozItems");}for (int i=0; i<mozItems.Count; i ){this.Add(mozItems[i]);}}public new void Clear(){while (this.Count > 0){this.RemoveAt(0);}}public bool Contains(MozItem mozItem){if (mozItem == null){throw new ArgumentNullException("mozItem");}return (this.IndexOf(mozItem) != -1);}public bool Contains(Control control){if (!(control is MozItem)){return false;}return this.Contains((MozItem) control);}public int IndexOf(MozItem mozItem){if (mozItem == null){throw new ArgumentNullException("mozItem");}for (int i=0; i<this.Count; i ){if (this[i] == mozItem){return i;}}return -1;}public void Remove(MozItem value){if (value == null){throw new ArgumentNullException("value");}this.List.Remove(value);if (this.owner != null && !this.owner.deserializing){this.owner.Controls.Remove(value);this.owner.OnMozItemRemoved(new MozItemEventArgs(value));}}public new void RemoveAt(int index){this.Remove(this[index]);}public void Move(MozItem value, int index){if (value == null){throw new ArgumentNullException("value");}if (index < 0){index = 0;}else if (index > this.Count){index = this.Count;}if (!this.Contains(value) || this.IndexOf(value) == index){return;}this.List.Remove(value);if (index > this.Count){this.List.Add(value);}else{this.List.Insert(index, value);}if (this.owner != null && !this.owner.deserializing){ this.owner.MatchControlCollToMozItemsColl();}}public void MoveToTop(MozItem value){this.Move(value, 0);}public void MoveToBottom(MozItem value){this.Move(value, this.Count);}#endregion#region Propertiespublic virtual MozItem this[int index]{get{return this.List[index] as MozItem;}}#endregion}#endregion#region MozItemCollectionEditor/// <summary>/// A custom CollectionEditor for editing MozItemCollections/// </summary>internal class MozItemCollectionEditor : CollectionEditor{public MozItemCollectionEditor(Type type) : base(type){}public override object EditValue(ITypeDescriptorContext context, IServiceProvider isp, object value){MozPane originalControl = (MozPane) context.Instance;object returnObject = base.EditValue(context, isp, value);originalControl.UpdateMozItems();return returnObject;}protected override object CreateInstance(Type itemType){object mozItem = base.CreateInstance(itemType);((MozItem) mozItem).Name = "MozItem";return mozItem;}}#endregion#region PaddingCollection[TypeConverter(typeof(PaddingCollectionTypeConverter))]public class PaddingCollection{private MozPane m_pane;private int m_horizontal;private int m_vertical;public PaddingCollection(MozPane pane){// set the control to which the collection belongm_pane = pane;// Default valuesm_horizontal = 2;m_vertical = 2;}[RefreshProperties(System.ComponentModel.RefreshProperties.All)][Description("Horizontal padding.")][DefaultValue(2)]public int Horizontal{get{return m_horizontal;}set{if (m_horizontal!=value){m_horizontal = value;if (m_pane!=null){// padding has changed , force DoLayoutm_pane.DoLayout();m_pane.Invalidate();if (m_pane.PaddingChanged!=null) m_pane.PaddingChanged(this,new EventArgs());}}}}[RefreshProperties(System.ComponentModel.RefreshProperties.All)][Description("Vertical padding.")][DefaultValue(2)]public int Vertical{get{return m_vertical;}set{if (m_vertical!=value){m_vertical = value;if (m_pane!=null){m_pane.DoLayout();m_pane.Invalidate();if (m_pane.PaddingChanged!=null) m_pane.PaddingChanged(this,new EventArgs());}}}}}#endregion#region PaddingCollectionTypeConverterpublic class PaddingCollectionTypeConverter : ExpandableObjectConverter{ public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType){if(sourceType == typeof(string))return true;return base.CanConvertFrom (context, sourceType);}public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType){if(destinationType == typeof(string))return true;return base.CanConvertTo (context, destinationType);}public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value){if(value.GetType() == typeof(string)){// Parse property stringstring[] ss = value.ToString().Split(new char[] {';'}, 2);if (ss.Length==2){// Create new PaddingCollectionPaddingCollection item = new PaddingCollection((MozPane)context.Instance); // Set propertiesitem.Horizontal = int.Parse(ss[0]);item.Vertical = int.Parse(ss[1]); return item;}}return base.ConvertFrom (context, culture, value);}public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType){if(destinationType == typeof(string) && (value is MozPane.PaddingCollection) ){// cast value to paddingCollectionPaddingCollection dest = (PaddingCollection)value; // create property stringreturn dest.Horizontal.ToString() "; " dest.Vertical.ToString();}return base.ConvertTo (context, culture, value, destinationType);}}#endregion#region ColorCollection[TypeConverter(typeof(ItemCollectionTypeConverter))]public class ColorCollection{private Color m_selected;private Color m_selectedBorder;private Color m_focus;private Color m_focusBorder;private Color m_text;private Color m_back;private Color m_border;private Color m_divider;private Color m_selectedText;private Color m_focusText;public MozPane m_pane;public ColorCollection(MozPane pane){m_pane = pane;// Default valuesm_selected = Color.FromArgb(193,210,238);m_selectedBorder = Color.FromArgb(49,106,197); m_focus = Color.FromArgb(224,232,246); m_focusBorder = Color.FromArgb(152,180,226); m_back = Color.White;m_border = Color.Black;m_text = Color.Black;m_selectedText = Color.Black;m_focusText = Color.Black;m_divider = Color.FromArgb(127,157,185);}public void Dispose(){}private void UpdateItems(){// for each item contained in the panelfor (int i=0; i<m_pane.Items.Count; i ){// Refresh itemm_pane.Items[i].Invalidate();}}[Description("Color used for item text.")][DefaultValue(typeof(Color),"Black")]public Color Text{get{return m_text;}set{if (m_text!=value){m_text = value;UpdateItems();if (m_pane.ItemColorChanged!=null) m_pane.ItemColorChanged(this,new ItemColorChangedEventArgs(MozItemColor.Text));}}}[Description("Text color when item is selected.")][DefaultValue(typeof(Color),"Black")]public Color SelectedText{get{return m_selectedText;}set{if (m_selectedText!=value){m_selectedText = value;UpdateItems();if (m_pane.ItemColorChanged!=null) m_pane.ItemColorChanged(this,new ItemColorChangedEventArgs(MozItemColor.SelectedText));}}}[Description("Text color when item has focus.")][DefaultValue(typeof(Color),"Black")]public Color FocusText{get{return m_focusText;}set{if (m_focusText!=value){m_focusText = value;UpdateItems();if (m_pane.ItemColorChanged!=null) m_pane.ItemColorChanged(this,new ItemColorChangedEventArgs(MozItemColor.FocusText));}}}[Description("Background color when item is not selected or has focus.")][DefaultValue(typeof(Color),"White")]public Color Background{get{return m_back;}set{if (m_back!=value){m_back = value;UpdateItems();if (m_pane.ItemColorChanged!=null) m_pane.ItemColorChanged(this,new ItemColorChangedEventArgs(MozItemColor.Background));}}}[Description("Border color when item is not selected or has focus.")][DefaultValue(typeof(Color),"Black")]public Color Border{get{return m_border;}set{if (m_border!=value){m_border = value;UpdateItems();if (m_pane.ItemColorChanged!=null) m_pane.ItemColorChanged(this,new ItemColorChangedEventArgs(MozItemColor.Border));}}}[Description("Color used when item style is set to divider.")][DefaultValue(typeof(Color),"127,157,185")]public Color Divider{get{return m_divider;}set{if (m_divider!=value){m_divider = value;UpdateItems();if (m_pane.ItemColorChanged!=null) m_pane.ItemColorChanged(this,new ItemColorChangedEventArgs(MozItemColor.Divider));}}}[Description("Background color when item is selected.")][DefaultValue(typeof(Color),"193,210,238")]public Color SelectedBackground{get{return m_selected;}set{if (m_selected!=value){m_selected = value;UpdateItems();if (m_pane.ItemColorChanged!=null) m_pane.ItemColorChanged(this,new ItemColorChangedEventArgs(MozItemColor.SelectedBackground));}}}[Description("Border color when item is selected.")][DefaultValue(typeof(Color),"49,106,197")]public Color SelectedBorder{get{return m_selectedBorder;}set{if (m_selectedBorder!=value){m_selectedBorder = value;UpdateItems();if (m_pane.ItemColorChanged!=null) m_pane.ItemColorChanged(this,new ItemColorChangedEventArgs(MozItemColor.SelectedBorder)); }}}[Description("Background color when item has focus.")][DefaultValue(typeof(Color),"224,232,246")]public Color FocusBackground{get{return m_focus;}set{if (m_focus!=value){m_focus = value;UpdateItems();if (m_pane.ItemColorChanged!=null) m_pane.ItemColorChanged(this,new ItemColorChangedEventArgs(MozItemColor.FocusBackground));}}}[Description("Border color when item has focus.")][DefaultValue(typeof(Color),"152,180,226")]public Color FocusBorder{get{return m_focusBorder;}set{if (m_focusBorder!=value){m_focusBorder = value;UpdateItems();if (m_pane.ItemColorChanged!=null) m_pane.ItemColorChanged(this,new ItemColorChangedEventArgs(MozItemColor.FocusBorder));}}}}#endregion#region BorderStyleCollection[TypeConverter(typeof(ItemCollectionTypeConverter))]public class BorderStyleCollection{public MozPane m_pane;private ButtonBorderStyle m_borderStyle;private ButtonBorderStyle m_focusBorderStyle;private ButtonBorderStyle m_selectedBorderStyle;public BorderStyleCollection(MozPane pane){m_pane = pane;m_borderStyle = ButtonBorderStyle.None;m_focusBorderStyle = ButtonBorderStyle.Solid;m_selectedBorderStyle = ButtonBorderStyle.Solid;}public void Dispose(){}private void UpdateItems(){// for each item contained in the panelfor (int i=0; i<m_pane.Items.Count; i ){// Refresh itemm_pane.Items[i].Invalidate();}}[Description("Border style when item has no focus.")][DefaultValue(typeof(ButtonBorderStyle),"None")]public ButtonBorderStyle Normal{get{return m_borderStyle;}set{if (m_borderStyle!=value){m_borderStyle = value;UpdateItems();if (m_pane.ItemBorderStyleChanged!=null) m_pane.ItemBorderStyleChanged(this,new ItemBorderStyleChangedEventArgs(MozItemState.Normal)); }}}[Description("Border style when item has focus.")][DefaultValue(typeof(ButtonBorderStyle),"Solid")]public ButtonBorderStyle Focus{get{return m_focusBorderStyle;}set{if (m_focusBorderStyle!=value){m_focusBorderStyle = value;UpdateItems();if (m_pane.ItemBorderStyleChanged!=null) m_pane.ItemBorderStyleChanged(this,new ItemBorderStyleChangedEventArgs(MozItemState.Focus)); }}}[Description("Border style when item is selected.")][DefaultValue(typeof(ButtonBorderStyle),"Solid")]public ButtonBorderStyle Selected{get{return m_selectedBorderStyle;}set{if (m_selectedBorderStyle!=value){m_selectedBorderStyle = value;UpdateItems();if (m_pane.ItemBorderStyleChanged!=null) m_pane.ItemBorderStyleChanged(this,new ItemBorderStyleChangedEventArgs(MozItemState.Selected)); }}}}#endregion}#region Designer// ControlDesignerpublic class MozPaneDesigner : ScrollableControlDesigner{public MozPaneDesigner(){}public override void OnSetComponentDefaults(){base.OnSetComponentDefaults(); }public override SelectionRules SelectionRules{get{// Remove all manual resizing of the controlSelectionRules selectionRules = base.SelectionRules;selectionRules = SelectionRules.Visible |SelectionRules.AllSizeable | SelectionRules.Moveable;return selectionRules;}}protected override void PreFilterProperties(System.Collections.IDictionary properties){base.PreFilterProperties(properties);// Remove obsolete propertiesproperties.Remove("BackgroundImage");properties.Remove("ForeColor");properties.Remove("Text");properties.Remove("RightToLeft");properties.Remove("ImeMode");properties.Remove("AutoScroll");} }#endregion#region ColorChangedEventArgspublic class ItemColorChangedEventArgs : EventArgs{#region Class Data/// <summary>/// The color that has changed/// </summary>private MozItemColor m_color;#endregion#region Constructor/// <summary>/// Initializes a new instance of the MozItemEventArgs class with default settings/// </summary>public ItemColorChangedEventArgs(){m_color = 0;}public ItemColorChangedEventArgs(MozItemColor color){this.m_color = color;}#endregion#region Propertiespublic MozItemColor Color{get{return this.m_color;}}#endregion}#endregion#region ItemBorderStyleChangedEventArgspublic class ItemBorderStyleChangedEventArgs : EventArgs{#region Class Data/// <summary>/// The MozItem that generated the event/// </summary>private MozItemState m_state;#endregion#region Constructor/// <summary>/// Initializes a new instance of the MozItemEventArgs class with default settings/// </summary>public ItemBorderStyleChangedEventArgs(){m_state = 0;}public ItemBorderStyleChangedEventArgs(MozItemState state){this.m_state = state;}#endregion#region Propertiespublic MozItemState State{get{return this.m_state;}}#endregion}#endregion}

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