winfrom 窗口起始位置为屏幕*

窗口起始位置为屏幕*
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;

获取鼠标触发事件光标位置
this.StartPosition = System.Windows.Forms.FormStartPosition.Manual;
Location = new Point(Cursor.Position.X, Cursor.Position.Y)