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【源码介绍】

C#初学必看的黄金实例程序100个， 压缩包中有100个文件夹，包含100个实例，带有源码。包含各种小游戏、各种控件使用Demo，对初学者非常有帮助！

【源码截图】

【源码示例】

using System;using System.Drawing;using System.Drawing.Imaging;using System.Windows.Forms;namespace GraphicsCopyright{/// <summary>/// Summary description for Form1./// </summary>public class Form1 : System.Windows.Forms.Form{Image originalimage;private System.Windows.Forms.OpenFileDialog openFileDialog1;private System.Windows.Forms.PictureBox pictureBox1;private System.Windows.Forms.GroupBox groupBox1; private System.Windows.Forms.Button btnAddCopyright; private System.Windows.Forms.Button btnOpenFile;/// <summary>/// Required designer variable./// </summary>private System.ComponentModel.Container components = null;public Form1(){//// Required for Windows Form Designer support//InitializeComponent();//// TODO: Add any constructor code after InitializeComponent call//}/// <summary>/// Clean up any resources being used./// </summary>protected override void Dispose( bool disposing ){if( disposing ){if (components != null) {components.Dispose();}}base.Dispose( disposing );}#region Windows Form 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(){ this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog(); this.btnAddCopyright = new System.Windows.Forms.Button(); this.btnOpenFile = new System.Windows.Forms.Button(); this.pictureBox1 = new System.Windows.Forms.PictureBox(); this.groupBox1 = new System.Windows.Forms.GroupBox(); this.SuspendLayout(); // // btnAddCopyright // this.btnAddCopyright.Enabled = false; this.btnAddCopyright.Location = new System.Drawing.Point(216, 240); this.btnAddCopyright.Name = "btnAddCopyright"; this.btnAddCopyright.Size = new System.Drawing.Size(164, 37); this.btnAddCopyright.TabIndex = 0; this.btnAddCopyright.Text = "添加版权信息"; this.btnAddCopyright.Click = new System.EventHandler(this.btnAddCopyright_Click); // // btnOpenFile // this.btnOpenFile.Location = new System.Drawing.Point(32, 240); this.btnOpenFile.Name = "btnOpenFile"; this.btnOpenFile.Size = new System.Drawing.Size(164, 37); this.btnOpenFile.TabIndex = 0; this.btnOpenFile.Text = "打开图像文件"; this.btnOpenFile.Click = new System.EventHandler(this.btnOpenFile_Click); // // pictureBox1 // this.pictureBox1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D; this.pictureBox1.Location = new System.Drawing.Point(8, 0); this.pictureBox1.Name = "pictureBox1"; this.pictureBox1.Size = new System.Drawing.Size(400, 224); this.pictureBox1.TabIndex = 0; this.pictureBox1.TabStop = false; // // groupBox1 // this.groupBox1.Location = new System.Drawing.Point(24, 224); this.groupBox1.Name = "groupBox1"; this.groupBox1.Size = new System.Drawing.Size(368, 64); this.groupBox1.TabIndex = 1; this.groupBox1.TabStop = false; // // Form1 // this.AutoScaleBaseSize = new System.Drawing.Size(6, 14); this.ClientSize = new System.Drawing.Size(416, 301); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.pictureBox1, this.btnAddCopyright, this.btnOpenFile, this.groupBox1}); this.Name = "Form1"; this.Text = "给图像添加版权信息"; this.ResumeLayout(false); }#endregion/// <summary>/// The main entry point for the application./// </summary>[STAThread]static void Main() {Application.Run(new Form1());} private void btnOpenFile_Click(object sender, System.EventArgs e) { //Stream myStream; OpenFileDialog openFileDialog1 = new OpenFileDialog(); openFileDialog1.InitialDirectory = "c:\\" ; openFileDialog1.Filter= "All files (*.*)|*.*"; openFileDialog1.FilterIndex = 2 ; openFileDialog1.RestoreDirectory = true ; if(openFileDialog1.ShowDialog() == DialogResult.OK) { originalimage = System.Drawing.Image.FromFile(openFileDialog1.FileName.ToString()); Image ithumbnail = originalimage.GetThumbnailImage(200, 200, null, new IntPtr()); pictureBox1.Image=ithumbnail; btnAddCopyright.Enabled = true; } } private void btnAddCopyright_Click(object sender, System.EventArgs e) { int imagewidth; int imageheight; int fontsize=300; int x,y; int a,re,gr,bl,x1,y1,z1; int size; Bitmap pattern; SizeF sizeofstring; bool foundfont; imagewidth=originalimage.Width; imageheight=originalimage.Height; size=imagewidth*imageheight; pattern = new Bitmap(imagewidth,imageheight); Bitmap temp = new Bitmap(originalimage); Graphics g = Graphics.FromImage(pattern); Graphics tempg =Graphics.FromImage(originalimage); //find a font size that will fit in the bitmap foundfont=false; g.Clear(Color.White); while(foundfont==false) { Font fc = new Font("Georgia", fontsize, System.Drawing.FontStyle.Bold); sizeofstring=new SizeF(imagewidth,imageheight); sizeofstring=g.MeasureString("DOTNET",fc); if (sizeofstring.Width<pattern.Width) { if (sizeofstring.Height<pattern.Height) { foundfont=true; g.DrawString("DOTNET", fc, new SolidBrush(Color.Black),1,1); } } else fontsize=fontsize-1; } MessageBox.Show("已创建新文件","给图像添加版权信息"); for(x=1;x<pattern.Width;x ) { for(y=1;y<pattern.Height;y )// { if (pattern.GetPixel(x,y).ToArgb()==Color.Black.ToArgb()) { a=temp.GetPixel(x,y).A; re=temp.GetPixel(x,y).R; gr=temp.GetPixel(x,y).G; bl=temp.GetPixel(x,y).B; x1=re; y1=gr; z1=bl; if (bl 25<255) bl=bl 25; if (gr 25<255) gr=gr 25; if (re 25<255) re=re 25; if (x1-25>0) x1=x1-25; if (y1-25>0) y1=y1-25; if (z1-25>0) z1=z1-25; tempg.DrawEllipse(new Pen(new SolidBrush(Color.Black)),x,y 1,3,3); tempg.DrawEllipse(new Pen(new SolidBrush(Color.FromArgb(a,x1,y1,z1))),x,y,1,1); } } } MessageBox.Show("输出文件是c:\\output.jpeg","给图像添加版权信息"); tempg.Save(); originalimage.Save("c:\\output.jpeg",ImageFormat.Jpeg); }}}