C# Definition:

[StructLayout(LayoutKind.Sequential)]
struct MOUSEHOOKSTRUCT
{  
     public POINT  pt;
     public IntPtr hwnd;
     public uint   wHitTestCode;
     public IntPtr dwExtraInfo;
}

VB Definition:

<StructLayout(LayoutKind.Sequential)> Public Structure MouseHookStruct
    Public pt As Point
    Public hwnd As Integer
    Public wHitTestCode As Integer
    Public dwExtraInfo As Integer
End Structure

User-Defined Field Types:

None.

Notes:

Added by Senthamil

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/windowsuserinterface/windowing/hooks/hookreference/hookstructures/kbdllhookstruct.asp