C# 完美实现无毛边异形窗体(优化版)

不错的自定义 winform UI界面



using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Drawing.Imaging;using System.Runtime.InteropServices;namespace CCWin{ //控件层 public partial class SkinMain : Form { //绘制层 private SkinForm skin; public SkinMain() { InitializeComponent(); //减少闪烁 SetStyles(); //初始化 Init(); } #region 初始化 private void Init() { //不显示在Windows任务栏中 ShowInTaskbar = false; } #endregion #region 减少闪烁 private void SetStyles() { SetStyle( ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw | ControlStyles.DoubleBuffer, true); //强制分配样式重新应用到控件上 UpdateStyles(); base.AutoScaleMode = AutoScaleMode.None; } #endregion #region 全部显示 public void AllShow() { this.Show(); if (skin != null) { skin.Show(); } } #endregion #region 全部隐藏 public void AllHide() { skin.Hide(); this.Hide(); } #endregion #region 变量属性 private int _gradienttime = 200; [Category("Skin")] [DefaultValue(200)] [Description("控件层渐变特效时长(越小越快)")] public int GradientTime { get { return _gradienttime; } set { if (_gradienttime != value) { _gradienttime = value < 0 ? 0 : value; } } } private Size _skinsize; [Category("Skin")] [Description("绘图层窗口大小")] public Size SkinSize { get { return _skinsize; } set { if (_skinsize != value) { _skinsize = value; if (skin != null) { skin.Size = _skinsize; } //验证下宽高 BindSize(); //重新应用下绘图层背景 BindBack(); } } } //不显示FormBorderStyle属性 [Browsable(false)] [EditorBrowsable(EditorBrowsableState.Never)] [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)] public new FormBorderStyle FormBorderStyle { get { return base.FormBorderStyle; } set { base.FormBorderStyle = FormBorderStyle.None; } } private Bitmap _skinback; [Category("Skin")] [Description("绘图层窗口背景")] public Bitmap SkinBack { get { return _skinback; } set { if (_skinback != value) { _skinback = value; //重新应用下绘图层背景 BindBack(); if (skin != null) { Bitmap bitmap = new Bitmap(SkinBack, SkinSize); if (SkinTrankColor != Color.Transparent) { bitmap.MakeTransparent(SkinTrankColor); } skin.BackgroundImage = bitmap; } } } } private int _skinopacity = 255; [Browsable(true)] [Category("Skin")] [Description("绘图层窗口透明度(0-255)")] [DefaultValue(255)] public int SkinOpacity { get { return _skinopacity; } set { if (_skinopacity != value) { //如果赋值大与255，就等于255 _skinopacity = value > 255 ? 255 : value; if (skin != null) { skin.SetBits(); } } } } private Point _mainposition; [Category("Skin")] [Description("窗口在绘图层位置")] public Point MainPosition { get { return _mainposition; } set { if (_mainposition != value) { _mainposition = value; //验证下宽高 BindSize(); //重新应用下绘图层背景 BindBack(); if (skin != null) { Location = new Point(skin.Left MainPosition.X, skin.Top MainPosition.Y); } } } } private Color _skintrankcolor = Color.Transparent; [Category("Skin")] [Description("绘图层需要透明的颜色")] [DefaultValue(typeof(Color), "Color.Transparent")] public Color SkinTrankColor { get { return _skintrankcolor; } set { if (_skintrankcolor != value) { _skintrankcolor = value; if (BackgroundImage != null) { backs(); } if (skin != null) { Bitmap bitmap = new Bitmap(SkinBack, SkinSize); if (SkinTrankColor != Color.Transparent) { bitmap.MakeTransparent(SkinTrankColor); } skin.BackgroundImage = bitmap; } } } } private bool _skinwhethertank = true; [Category("Skin")] [Description("绘图层是否开启位图仿透明\r\n注意(SkinOpacity < 255时，此属性为False可达到背景透明，控件不透明的效果。)")] [DefaultValue(typeof(bool), "true")] public bool SkinWhetherTank { get { return _skinwhethertank; } set { if (_skinwhethertank != value) { _skinwhethertank = value; if (skin != null) { BindBack(); } } } } private bool _skinshowintaskbar = true; [Category("Skin")] [Description("绘图层是否出现在Windows任务栏中。")] [DefaultValue(typeof(bool), "true")] public bool SkinShowInTaskbar { get { return _skinshowintaskbar; } set { if (_skinshowintaskbar != value) { _skinshowintaskbar = value; } } } private bool _skinmobile = true; [Category("Skin")] [Description("窗体是否可以移动")] [DefaultValue(typeof(bool), "true")] public bool SkinMobile { get { return _skinmobile; } set { if (_skinmobile != value) { _skinmobile = value; } } } #endregion #region 绑定背景 public void BindBack() { //绘图层背景属性不等于空，绘图层宽高不等于0，控件层宽高不等于0时才绑定背景 if (_skinback != null && SkinSize != new Size(0, 0) && this.Size != new Size(0, 0)) { //在设计器时，始终显示裁剪背景 if (DesignMode) { backs(); } else { if (SkinWhetherTank) { backs(); } else { BackgroundImage = null; } } } } //裁剪透明做背景 public void backs() { //裁剪下图片 Bitmap back = new Bitmap(SkinBack, _skinsize); Rectangle cloneRect = new Rectangle(_mainposition.X, _mainposition.Y, Width, Height); PixelFormat format = back.PixelFormat; Bitmap cloneBitmap = back.Clone(cloneRect, format); if (SkinTrankColor != Color.Transparent) { cloneBitmap.MakeTransparent(_skintrankcolor); } //将裁剪好的图片给控件层赋值 this.BackgroundImage = cloneBitmap; } #endregion #region 验证大小 private void BindSize() { //判断控件层和绘图层宽高都不等于0时 if (Width != 0 && Height != 0 && SkinSize != new Size(0, 0)) { //控件层宽度 大于 (绘图层宽度 - 控件层所在绘图层X值)时 if (Width > SkinSize.Width - MainPosition.X) { //等于最大限制的宽度 Width = SkinSize.Width - MainPosition.X; } //控件层宽度 大于 (绘图层宽度 - 控件层所在绘图层Y值)时 if (Height > SkinSize.Height - MainPosition.Y) { //等于最大限制的高度 Height = SkinSize.Height - MainPosition.Y; } } } #endregion #region 重载事件 //窗体加载时 protected override void OnLoad(EventArgs e) { if (!DesignMode) { skin = new SkinForm(this); skin.Show(); //淡入特效 Win32.AnimateWindow(this.Handle, GradientTime, Win32.AW_BLEND | Win32.AW_ACTIVATE); } base.OnLoad(e); } //窗体关闭时 protected override void OnClosing(CancelEventArgs e) { this.Owner.Close(); base.OnClosing(e); } //大小改变时 protected override void OnResize(EventArgs e) { base.OnResize(e); //控制层宽高 大于或等于 （绘制层宽高 - 控制层在绘图层的位置XY）时重新绑定背景 if (Width <= (SkinSize.Width - MainPosition.X) && Height <= (SkinSize.Height - MainPosition.Y)) { BindBack(); } else { //否则重新验证宽高大小，并给出回馈 BindSize(); } } #endregion }}