GetCursorPos

[DllImport("user32.dll")] [return: MarshalAs(UnmanagedType.Bool)] static extern bool GetCursorPos(out POINT point); [StructLayout(LayoutKind.Sequential)] struct POINT { public Int32 X; public Int32 Y; } <DllImport("user32.dll", ExactSpelling := True, SetLastError := True)> _ Public Shared Function GetCursorPos(ByRef lpPoint As POINT) As <MarshalAs(UnmanagedType.Bool)> Boolean End Function Declare Function GetCursorPos Lib "user32.dll" _ (ByRef lpPoint As POINT) as boolean

<DllImport("user32.dll")> _ Public Function GetCursorPos(<In, Out()> ByRef pt As POINT) As Boolean End Function

Point declaration

<System.Runtime.InteropServices.StructLayout(Runtime.InteropServices.LayoutKind.Sequential)> _
   Public Structure POINT
      Public X As Integer
      Public Y As Integer

      Public Sub New(ByVal X As Integer, ByVal Y As Integer)
     Me.X = X
     Me.Y = Y
      End Sub
   End Structure

Tips & Tricks:

POINT p;
if (GetCursorPos(out p))
{
    label1.Text = Convert.ToString(p.X) + ";" + Convert.ToString(p.Y);
}

Tips & Tricks:

[StructLayout(LayoutKind.Sequential)]
    struct POINT
    {
        public Int32 X;
        public Int32 Y;
    }

    [DllImport("user32.dll")]
    [return: MarshalAs(UnmanagedType.Bool)]
    static extern bool GetCursorPos(out POINT point);

    static void Main(string[] args)
    {
        POINT p = new POINT();
        GetCursorPos(out p);

        Console.WriteLine(p.X);
        Console.WriteLine(p.Y);
        Console.ReadLine();
    }

Alternative Managed API:

System.Windows.Forms.Cursor.Position