C#实现自定义动画鼠标的示例详解

实践过程

效果

代码

public partial class Form1 : Form
{
   public Form1()
   {
       InitializeComponent();
   }

[DllImport("user32.dll")]
   public static extern IntPtr LoadCursorFromFile(string fileName);

[DllImport("user32", EntryPoint = "LoadCursorFromFile")]
   public static extern int IntLoadCursorFromFile(string lpFileName);

[DllImport("user32", EntryPoint = "SetSystemCursor")]
   public static extern void SetSystemCursor(int hcur, int i);

const int OCR_NORAAC = 32512;//标准
   const int OCR_HAND = 32649;//手
   const int OCR_NO = 32648;//斜的圆
   const int OCR_SIZEALL = 32646;//移动

private void ToolS_From_Click(object sender, EventArgs e)
   {
       Cursor myCursor = new Cursor(Cursor.Current.Handle);
       IntPtr colorCursorHandle = LoadCursorFromFile("0081.ani");//鼠标图标路径
       myCursor.GetType().InvokeMember("handle", BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.SetField, null, myCursor, new object[] { colorCursorHandle });
       this.Cursor = myCursor;
   }

private void ToolS_FromRevert_Click(object sender, EventArgs e)
   {
       this.Cursor = Cursors.Default;
   }

private void ToolS_System_Click(object sender, EventArgs e)
   {
       //将要修改的标鼠图片存入到系统的WINDOWS\Cursors目录下
       //设置正常选择鼠标
       int cur = IntLoadCursorFromFile(@"C:\WINDOWS\Cursors\01.cur");
       SetSystemCursor(cur, OCR_NORAAC);
       //设置移动
       cur = IntLoadCursorFromFile(@"C:\WINDOWS\Cursors\03.cur");
       SetSystemCursor(cur, OCR_SIZEALL);
       //设置不可用
       cur = IntLoadCursorFromFile(@"C:\WINDOWS\Cursors\04.cur");
       SetSystemCursor(cur, OCR_NO);
       //设置超链接
       cur = IntLoadCursorFromFile(@"C:\WINDOWS\Cursors\06.cur");
       SetSystemCursor(cur, OCR_HAND);

}

private void ToolS_SystemRevert_Click(object sender, EventArgs e)
   {
       //恢复正常选择鼠标
       int cur = IntLoadCursorFromFile(@"C:\WINDOWS\Cursors\arrow_m.cur");
       SetSystemCursor(cur, OCR_NORAAC);
       //恢复移动
       cur = IntLoadCursorFromFile(@"C:\WINDOWS\Cursors\move_r.cur");
       SetSystemCursor(cur, OCR_SIZEALL);
       //恢复不可用
       cur = IntLoadCursorFromFile(@"C:\WINDOWS\Cursors\no_r.cur");
       SetSystemCursor(cur, OCR_NO);
       //恢复超链接
       cur = IntLoadCursorFromFile(@"C:\WINDOWS\Cursors\hand.cur");
       SetSystemCursor(cur, OCR_HAND);
   }
}

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.menuStrip1 = new System.Windows.Forms.MenuStrip();
       this.鼠标样式设置ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
       this.ToolS_From = new System.Windows.Forms.ToolStripMenuItem();
       this.ToolS_FromRevert = new System.Windows.Forms.ToolStripMenuItem();
       this.ToolS_System = new System.Windows.Forms.ToolStripMenuItem();
       this.ToolS_SystemRevert = new System.Windows.Forms.ToolStripMenuItem();
       this.menuStrip1.SuspendLayout();
       this.SuspendLayout();
       //
       // menuStrip1
       //
       this.menuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
       this.鼠标样式设置ToolStripMenuItem});
       this.menuStrip1.Location = new System.Drawing.Point(0, 0);
       this.menuStrip1.Name = "menuStrip1";
       this.menuStrip1.Size = new System.Drawing.Size(292, 24);
       this.menuStrip1.TabIndex = 2;
       this.menuStrip1.Text = "menuStrip1";
       //
       // 鼠标样式设置ToolStripMenuItem
       //
       this.鼠标样式设置ToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
       this.ToolS_From,
       this.ToolS_FromRevert,
       this.ToolS_System,
       this.ToolS_SystemRevert});
       this.鼠标样式设置ToolStripMenuItem.Name = "鼠标样式设置ToolStripMenuItem";
       this.鼠标样式设置ToolStripMenuItem.Size = new System.Drawing.Size(89, 20);
       this.鼠标样式设置ToolStripMenuItem.Text = "鼠标样式设置";
       //
       // ToolS_From
       //
       this.ToolS_From.Name = "ToolS_From";
       this.ToolS_From.Size = new System.Drawing.Size(190, 22);
       this.ToolS_From.Text = "在窗体中改变鼠标样式";
       this.ToolS_From.Click += new System.EventHandler(this.ToolS_From_Click);
       //
       // ToolS_FromRevert
       //
       this.ToolS_FromRevert.Name = "ToolS_FromRevert";
       this.ToolS_FromRevert.Size = new System.Drawing.Size(190, 22);
       this.ToolS_FromRevert.Text = "在窗体中还原鼠标样式";
       this.ToolS_FromRevert.Click += new System.EventHandler(this.ToolS_FromRevert_Click);
       //
       // ToolS_System
       //
       this.ToolS_System.Name = "ToolS_System";
       this.ToolS_System.Size = new System.Drawing.Size(190, 22);
       this.ToolS_System.Text = "改变系统的鼠标样式";
       this.ToolS_System.Click += new System.EventHandler(this.ToolS_System_Click);
       //
       // ToolS_SystemRevert
       //
       this.ToolS_SystemRevert.Name = "ToolS_SystemRevert";
       this.ToolS_SystemRevert.Size = new System.Drawing.Size(190, 22);
       this.ToolS_SystemRevert.Text = "还原系统的鼠标样式";
       this.ToolS_SystemRevert.Click += new System.EventHandler(this.ToolS_SystemRevert_Click);
       //
       // Form1
       //
       this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
       this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
       this.ClientSize = new System.Drawing.Size(292, 172);
       this.Controls.Add(this.menuStrip1);
       this.MainMenuStrip = this.menuStrip1;
       this.Name = "Form1";
       this.Text = "自定义动画鼠标";
       this.menuStrip1.ResumeLayout(false);
       this.menuStrip1.PerformLayout();
       this.ResumeLayout(false);
       this.PerformLayout();

}

#endregion

private System.Windows.Forms.MenuStrip menuStrip1;
   private System.Windows.Forms.ToolStripMenuItem 鼠标样式设置ToolStripMenuItem;
   private System.Windows.Forms.ToolStripMenuItem ToolS_From;
   private System.Windows.Forms.ToolStripMenuItem ToolS_FromRevert;
   private System.Windows.Forms.ToolStripMenuItem ToolS_System;
   private System.Windows.Forms.ToolStripMenuItem ToolS_SystemRevert;
}

来源：https://blog.csdn.net/qq_27489007/article/details/128358192