WinForm 弹窗

private void FrmMyShow_Load(object sender, EventArgs e)
        {
            Rectangle r = Screen.GetWorkingArea(this);
            
            //this.Location = new Point(r.Right - this.Width, r.Bottom - this.Height); //右下

            //this.Location = new Point(0, r.Bottom - this.Height); //左下

            //this.Location = new Point(0, 0); //左上

            this.Location = new Point(r.Right - this.Width, 0); //右上
        }