程序主要代码:[C#] 纯文本查看 复制代码  /// <summary>
        /// 设置自定义最大化、最小化和关闭图片按钮的单击事件
        /// </summary>
        /// <param Frm_Tem="Form">窗体</param>
        /// <param n="int">PictureBox的Tag标识</param>
        public void FrmClickMeans(Form Frm, int n)
        {
            switch (n)//窗体的操作样式
            {
                case 1://窗体最小化
                    Frm.WindowState = FormWindowState.Minimized;//窗体最小化
                    break;
                case 2://窗体最大化和还原的切换
                    {
                        if (Frm.WindowState == FormWindowState.Maximized)//如果窗体当前是最大化
                            Frm.WindowState = FormWindowState.Normal;//还原窗体大小
                        else
                            Frm.WindowState = FormWindowState.Maximized;//窗体最大化
                        break;
                    }
                case 3:        //关闭窗体
                    Frm.Close();
                    break;
            }
        }
/// <summary>
        /// 控制图片的切换状态
        /// </summary>
        /// <param sender =" object ">要改变图片的对象</param>
        /// <param n="int">标识</param>
        /// <param ns="int">移出移入标识</param>
        public static PictureBox Tem_PictB = new PictureBox();//实例化PictureBox控件
        public void ImageSwitch(object sender, int n, int ns)
        {
            Tem_PictB = (PictureBox)sender;
            switch (n)//获取标识
            {
                case 1://当前为最小化按钮
                    {
                        Tem_PictB.Image = null;//清空图片
                        if (ns == 0)//鼠标移入
                            Tem_PictB.Image = Properties.Resources.最小化变色;
                        if (ns == 1)//鼠标移出
                            Tem_PictB.Image = Properties.Resources.最小化按钮;
                        break;
                    }
                case 2://最大化按钮
                    {
                        Tem_PictB.Image = null;
                        if (ns == 0)
                            Tem_PictB.Image = Properties.Resources.最大化变色;
                        if (ns == 1)
                            Tem_PictB.Image = Properties.Resources.最大化按钮;
                        break;
                    }
                case 3://关闭按钮
                    {
                        Tem_PictB.Image = null;
                        if (ns == 0)
                            Tem_PictB.Image = Properties.Resources.关闭变色;
                        if (ns == 1)
                            Tem_PictB.Image = Properties.Resources.关闭按钮;
                        break;
                    }
            }
        }
Point mouseOff;//鼠标移动位置变量
        bool leftFlag;//标签是否为左键
        private void frm_Main_MouseDown(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                mouseOff = new Point(-e.X, -e.Y); //得到变量的值
                leftFlag = true;                  //点击左键按下时标注为true;
            }
        }
        private void frm_Main_MouseMove(object sender, MouseEventArgs e)
        {
            if (leftFlag)
            {
                Point mouseSet = Control.MousePosition;
                mouseSet.Offset(mouseOff.X, mouseOff.Y);  //设置移动后的位置
                Location = mouseSet;
            }
        }
        private void frm_Main_MouseUp(object sender, MouseEventArgs e)
        {
            if (leftFlag)
            {
                leftFlag = false;//释放鼠标后标注为false;
            }
        }
 
 
 
 
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