public WindowHook(TodayScreenItem item, Control control)
{
this.item = item;
this.control = control;
// Subclass the window procedure associated with this control, so that
// we can hook the requests to paint it's background
newWindowProc = new WindowProcCallback(WndProc);
realWindowProc = SetWindowLong(control.Handle, GWL_WNDPROC, Marshal.GetFunctionPointerForDelegate(newWindowProc));
}
internal static extern int SetWindowLong(IntPtr hWnd, int index, WindowProcCallback del);
public static extern IntPtr SetWindowLong(IntPtr hWnd, int nIndex, WindowProcCallback callback);
public static extern IntPtr SetWindowLong(IntPtr hWnd, int nIndex, WindowProcCallback callback);
protected override void OnHandleCreated(EventArgs e)
{
if (this.m_wndproc == IntPtr.Zero)
{
this.m_delegate = new WindowProcCallback(this.WindowProc);
this.m_wndproc = Marshal.GetFunctionPointerForDelegate(this.m_delegate);
}
try
{
this.m_wndprocReal = SetWindowLong(base.Handle, -4, this.m_wndproc);
}
catch
{
}
base.OnHandleCreated(e);
}
internal static extern int SetWindowLong(IntPtr hWnd, int index, WindowProcCallback del);
