C# Definition:

[StructLayout(LayoutKind.Sequential)]
public class KBDLLHOOKSTRUCT
{
    public int vkCode;
    public int scanCode;
    public int flags;
    public int time;
    public IntPtr dwExtraInfo;
}

VB Definition:

    <StructLayout(LayoutKind.Sequential)> _
    Public Structure KBDLLHOOKSTRUCT
    public vkCode As Integer
    public scanCode As Integer
    public flags As Integer
    public time As Integer
    public dwExtraInfo As Integer
    End Structure

Notes:

Added by Senthamil.

Changed to class to get the correct marshalling in SetWindowsHookEx

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