基于C#实现屏幕桌面截图
目录
- 实践过程
- 效果
- 代码
实践过程
效果
代码
public partial class Form1 : Form { public Form1() { InitializeComponent(); } [DllImport("user32.dll", EntryPoint = "GetSystemMetrics")] private static extern int GetSystemMetrics(int mVal); private void button1_Click(object sender, EventArgs e) { Bitmap _Source = new Bitmap(GetSystemMetrics(0), GetSystemMetrics(1)); using (Graphics g = Graphics.FromImage(_Source)) { g.CopyFromScreen(0, 0, 0, 0, _Source.Size); g.Dispose(); } pictureBox1.Image = _Source; js } }
partial class Form1 { /// <summary> /// 必需的设计器变量。 /// </summary> private System.ComponentModel.IContainer components = null; /// <summary> /// 清理所有正在使用的资源。 /// </summary> /// <param name="disposing">如果应释放托管资源,为 true;否则为 false。</param> protected override void Dispose(bool disposing) { if (disposing && (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.button1 = new System.Windows.Forms.Button(); this.pictureBox1 = new System.Windows.Forms.PictureBox(); ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit(); this.SuspendLayout(); // // button1 // this.button1.Location = new System.Drawing.Point(24, 12); this.button1.Name = "button1"; this.button1.Size = new System.Drawing.Size(75, 23); this.button1.TabIndex = 0; this.button1.Text = "抓取桌面"; this.button1.UseVisualStyleBackColor = true; this.button1.Click += new System.EventHandler(this.button1_Click); // // pictureBox1 // this.pictureBox1.Location = new System.Drawing.Point(105, 12); this.pictureBox1.Name www.devze.com= "pictureBox1"; this.pictureBox1.Size = new System.Drawing.Size(515, 306); this.pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.Zoom; this.pictureBox1.TabIndex = 1; this.phttp://www.devze.comictureBox1.TabStop = false; // // Form1 // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new SysnruzbAroeutem.Drawing.Size(648, 330); thisandroid.Controls.Add(this.pictureBox1); this.Controls.Add(this.button1); this.Name = "Form1"; this.Text = "Form1"; ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit(); this.ResumeLayout(false); } #endregion private System.Windows.Forms.Button button1; private System.Windows.Forms.PictureBox pictureBox1; }
public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { } private void button1_Click(object sender, EventArgs e) { Image memory = new Bitmap(300,200); Graphics g = Graphics.FromImage(memory); g.CopyFromScreen(0,0, 0, 0, new Size(300,200)); pictureBox1.Image = memory; } }
partial class Form1 { /// <summary> /// 必需的设计器变量。 /// </summary> private System.ComponentModel.IContainer components = null; /// <summary> /// 清理所有正在使用的资源。 /// </summary> /// <param name="disposing">如果应释放托管资源,为 true;否则为 false。</param> protected override void Dispose(bool disposing) { if (disposing && (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.pictureBox1 = new System.Windows.Forms.PictureBox(); this.button1 = new System.Windows.Forms.Button(); ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit(); this.SuspendLayout(); // // pictureBox1 // this.pictureBox1.Location = new System.Drawing.Point(12, 12); this.pictureBox1.Name = "pictureBox1"; this.pictureBox1.Size = new System.Drawing.Size(309, 200); this.pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.Zoom; this.pictureBox1.TabIndex = 0; this.pictureBox1.TabStop = false; // // button1 // this.button1.Location = new System.Drawing.Point(327, 32); this.button1.Name = "button1"; this.button1.Size = new System.Drawing.Size(131, 23); this.button1.TabIndex = 1; this.button1.Text = "抓取左上角的图片"; this.button1.UseVisualStyleBackC开发者_JS学习olor = true; this.button1.Click += new System.EventHandler(this.button1_Click); // // Form1 // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size(470, 225); this.Controls.Add(this.button1); this.Controls.Add(this.pictureBox1); this.Name = "Form1"; this.Text = "Form1"; this.Load += new System.EventHandler(this.Form1_Load); ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit(); this.ResumeLayout(false); } #endregion private System.Windows.Forms.PictureBox pictureBox1; private System.Windows.Forms.Button button1; }
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