C#实现自定义动画鼠标的示例详解

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")]
    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
{
    /// 

    /// 必需的设计器变量。
    /// 
    private System.ComponentModel.IContainer components = null;

    /// 

    /// 清理所有正在使用的资源。
    /// 
    /// 如果应释放托管资源，为 true；否则为 false。
    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

    /// 

    /// 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。
    /// 
    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;
}

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