取得鼠标位置

using System.Runtime.InteropServices;

　      [System.Runtime.InteropServices.DllImport( "user32.dll" , EntryPoint="GetCursorPos" )] 
　      public extern static int GetCursorPos( ref POINTAPI lpPoint ); 

public struct POINTAPI 
{ 
　    public int x; 
    public int y; 
} 
        
POINTAPI _POINTAPI = new POINTAPI(); 
GetCursorPos ( ref _POINTAPI );