using System;using System.Drawing;using System.Collections;using System.ComponentModel;using System.Windows.Forms;using System.Data;using System.Drawing.Text;namespace System{/// <summary>/// Form1 的摘要说明。/// </summary>public class Form1 : System.Windows.Forms.Form{private System.Windows.Forms.Label label1;private System.Windows.Forms.ComboBox comboBox1;private System.Windows.Forms.ComboBox comboBox2;private System.Windows.Forms.Label label2;private System.Windows.Forms.ComboBox comboBox3;private System.Windows.Forms.Label label3;private System.Windows.Forms.Label label4;private System.Windows.Forms.ComboBox comboBox4;private System.Windows.Forms.TextBox textBox1;/// <summary>/// 必需的设计器变量。/// </summary>private System.ComponentModel.Container components = null;public Form1(){//// Windows 窗体设计器支持所必需的//InitializeComponent();//// TODO: 在 InitializeComponent 调用后添加任何构造函数代码//}/// <summary>/// 清理所有正在使用的资源。/// </summary>protected override void Dispose( bool disposing ){if( disposing ){if (components != null) {components.Dispose();}}base.Dispose( disposing );}#region Windows 窗体设计器生成的代码/// <summary>/// 设计器支持所需的方法 - 不要使用代码编辑器修改/// 此方法的内容。/// </summary>private void InitializeComponent(){this.label1 = new System.Windows.Forms.Label();this.comboBox1 = new System.Windows.Forms.ComboBox();this.comboBox2 = new System.Windows.Forms.ComboBox();this.label2 = new System.Windows.Forms.Label();this.comboBox3 = new System.Windows.Forms.ComboBox();this.label3 = new System.Windows.Forms.Label();this.label4 = new System.Windows.Forms.Label();this.comboBox4 = new System.Windows.Forms.ComboBox();this.textBox1 = new System.Windows.Forms.TextBox();this.SuspendLayout();// // label1// this.label1.Location = new System.Drawing.Point(8, 8);this.label1.Name = "label1";this.label1.Size = new System.Drawing.Size(72, 16);this.label1.TabIndex = 0;this.label1.Text = "选择字体：";// // comboBox1// this.comboBox1.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;this.comboBox1.Location = new System.Drawing.Point(72, 8);this.comboBox1.Name = "comboBox1";this.comboBox1.Size = new System.Drawing.Size(144, 20);this.comboBox1.TabIndex = 1;this.comboBox1.SelectedIndexChanged = new System.EventHandler(this.comboBox1_SelectedIndexChanged);// // comboBox2// this.comboBox2.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;this.comboBox2.Location = new System.Drawing.Point(288, 8);this.comboBox2.Name = "comboBox2";this.comboBox2.Size = new System.Drawing.Size(64, 20);this.comboBox2.TabIndex = 3;this.comboBox2.SelectedIndexChanged = new System.EventHandler(this.comboBox1_SelectedIndexChanged);// // label2// this.label2.Location = new System.Drawing.Point(224, 8);this.label2.Name = "label2";this.label2.Size = new System.Drawing.Size(72, 16);this.label2.TabIndex = 2;this.label2.Text = "选择字型：";// // comboBox3// this.comboBox3.Location = new System.Drawing.Point(288, 32);this.comboBox3.Name = "comboBox3";this.comboBox3.Size = new System.Drawing.Size(64, 20);this.comboBox3.TabIndex = 5;this.comboBox3.TextChanged = new System.EventHandler(this.comboBox1_SelectedIndexChanged);// // label3// this.label3.Location = new System.Drawing.Point(224, 32);this.label3.Name = "label3";this.label3.Size = new System.Drawing.Size(72, 16);this.label3.TabIndex = 4;this.label3.Text = "选择字号：";// // label4// this.label4.Location = new System.Drawing.Point(8, 32);this.label4.Name = "label4";this.label4.Size = new System.Drawing.Size(72, 16);this.label4.TabIndex = 6;this.label4.Text = "选择颜色：";// // comboBox4// this.comboBox4.DrawMode = System.Windows.Forms.DrawMode.OwnerDrawFixed;this.comboBox4.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;this.comboBox4.Location = new System.Drawing.Point(72, 32);this.comboBox4.Name = "comboBox4";this.comboBox4.Size = new System.Drawing.Size(144, 22);this.comboBox4.TabIndex = 9;this.comboBox4.SelectedIndexChanged = new System.EventHandler(this.comboBox1_SelectedIndexChanged);this.comboBox4.MeasureItem = new System.Windows.Forms.MeasureItemEventHandler(this.comboBox4_MeasureItem);this.comboBox4.DrawItem = new System.Windows.Forms.DrawItemEventHandler(this.comboBox4_DrawItem);// // textBox1// this.textBox1.Location = new System.Drawing.Point(8, 56);this.textBox1.Multiline = true;this.textBox1.Name = "textBox1";this.textBox1.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;this.textBox1.Size = new System.Drawing.Size(344, 136);this.textBox1.TabIndex = 10;this.textBox1.Text = "Visual C#.Net精彩编程实例集锦";// // Form1// this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);this.ClientSize = new System.Drawing.Size(360, 198);this.Controls.Add(this.textBox1);this.Controls.Add(this.comboBox4);this.Controls.Add(this.label4);this.Controls.Add(this.comboBox3);this.Controls.Add(this.label3);this.Controls.Add(this.comboBox2);this.Controls.Add(this.label2);this.Controls.Add(this.comboBox1);this.Controls.Add(this.label1);this.MaximizeBox = false;this.Name = "Form1";this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;this.Text = "演示获取系统已经安装的字体";this.Load = new System.EventHandler(this.Form1_Load);this.ResumeLayout(false);}#endregion/// <summary>/// 应用程序的主入口点。/// </summary>[STAThread]static void Main() {Application.Run(new Form1());}private void Form1_Load(object sender, System.EventArgs e){//获取系统已经安装的字体InstalledFontCollection MyFont=new InstalledFontCollection();FontFamily[] MyFontFamilies=MyFont.Families;int Count=MyFontFamilies.Length;for(int i=0;i<Count;i ){string FontName=MyFontFamilies[i].Name;this.comboBox1.Items.Add(FontName);}//设置字体风格列表string []MyStyle=new string[]{"加粗","倾斜","正常","删除线","下划线"};for(int i=0;i<5;i ){string StyleName=MyStyle[i];this.comboBox2.Items.Add(StyleName);}//设置字体大小列表float []MySize=new float[]{1,2,4,6,8,10,12,16,18,20,22,24,32,36,48,64,72};foreach(float f in MySize){this.comboBox3.Items.Add(f);}//设置颜色列表值this.comboBox4.DisplayMember="Color";this.comboBox4.Items.Add(Brushes.Cyan);this.comboBox4.Items.Add(Brushes.DarkSalmon);this.comboBox4.Items.Add(Brushes.Gray);this.comboBox4.Items.Add(Brushes.Green);this.comboBox4.Items.Add(Brushes.AliceBlue);this.comboBox4.Items.Add(Brushes.Black);this.comboBox4.Items.Add(Brushes.Blue);this.comboBox4.Items.Add(Brushes.Chocolate);this.comboBox4.Items.Add(Brushes.Pink);this.comboBox4.Items.Add(Brushes.Red);this.comboBox4.Items.Add(Brushes.LightBlue);this.comboBox4.Items.Add(Brushes.Brown);this.comboBox4.Items.Add(Brushes.DodgerBlue);this.comboBox4.Items.Add(Brushes.MediumPurple);this.comboBox4.Items.Add(Brushes.White);this.comboBox4.Items.Add(Brushes.Yellow);this.comboBox1.Text="宋体";this.comboBox2.Text="正常";this.comboBox3.Text="32";Font NewFont=new Font("宋体",32,FontStyle.Regular);this.textBox1.Font=NewFont;this.textBox1.ForeColor=Color.Black;}private void comboBox4_MeasureItem(object sender, System.Windows.Forms.MeasureItemEventArgs e){//设置列表项宽e.ItemHeight=this.comboBox4.ItemHeight-2;}private void comboBox4_DrawItem(object sender, System.Windows.Forms.DrawItemEventArgs e){//绘制列表项ComboBox MyCombox=(ComboBox)sender;if(e.Index==-1)return;if(sender==null)return;SolidBrush MyBrush=(SolidBrush)MyCombox.Items[e.Index];Graphics g=e.Graphics;//如果已经进行选择，则绘制正确的背景颜色和聚集框e.DrawBackground();e.DrawFocusRectangle();//绘制颜色的预览框Rectangle MyRect=e.Bounds;MyRect.Offset(2,2);MyRect.Width=50;MyRect.Height-=4;g.DrawRectangle(new Pen(e.ForeColor),MyRect);//获取选定颜色的相应画刷对象，并填充预览框MyRect.Offset(1,1);MyRect.Width-=2;MyRect.Height-=2;g.FillRectangle(MyBrush,MyRect);//绘制选定颜色的名称g.DrawString(MyBrush.Color.Name.ToString(),Font,new SolidBrush(e.ForeColor),e.Bounds.X 60,e.Bounds.Y 1);}private void comboBox1_SelectedIndexChanged(object sender, System.EventArgs e){//改变样例文字显示风格if(this.comboBox4.SelectedIndex>=0){SolidBrush MyBrush=(SolidBrush)(this.comboBox4.SelectedItem); this.textBox1.ForeColor=MyBrush.Color;} FontStyle MyFontStyle=FontStyle.Regular;if(this.comboBox2.Text=="加粗")MyFontStyle=FontStyle.Bold;else if(this.comboBox2.Text=="倾斜")MyFontStyle=FontStyle.Italic;else if(this.comboBox2.Text=="正常")MyFontStyle=FontStyle.Regular;else if(this.comboBox2.Text=="删除线")MyFontStyle=FontStyle.Strikeout;else if(this.comboBox2.Text=="下划线")MyFontStyle=FontStyle.Underline;int MySize=32;if(this.comboBox3.Text.Length>1){MySize=Convert.ToInt32(this.comboBox3.Text);}Font NewFont=new Font(this.comboBox1.Text,MySize,MyFontStyle);this.textBox1.Font=NewFont;}}}
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