private static Int32 WH_CALLWNDPROCRET_PROC(Int32 iCode, IntPtr pWParam, IntPtr pLParam)
{
if (iCode < 0)
{
return(CallNextHookEx(ClosedPopupMsg._pWH_CALLWNDPROCRET, iCode, pWParam, pLParam));
}
CWPRETSTRUCT cwp = (CWPRETSTRUCT)Marshal.PtrToStructure(pLParam, typeof(CWPRETSTRUCT));
if (cwp.message == WM_INITDIALOG)
{
Int32 iLength = GetWindowTextLength(cwp.hwnd);
foreach (IntPtr pChildOfDialog in ClosedPopupMsg.listChildWindows(cwp.hwnd))
{
iLength = GetWindowTextLength(pChildOfDialog);
if (iLength > 0)
{
Int32 ctrlId = GetDlgCtrlID(pChildOfDialog);
SendMessage(cwp.hwnd, WM_COMMAND, new IntPtr(ctrlId), pChildOfDialog);
}
}
}
return(CallNextHookEx(ClosedPopupMsg._pWH_CALLWNDPROCRET, iCode, pWParam, pLParam));
}
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
ClosedPopupMsg.Hook();
Application.Run(new Form1());
ClosedPopupMsg.Unhook();
}
private static List <IntPtr> listChildWindows(IntPtr p)
{
List <IntPtr> lstChildWindows = new List <IntPtr>();
GCHandle gchChildWindows = GCHandle.Alloc(lstChildWindows);
try
{
ClosedPopupMsg.EnumChildWindows(p, new EnumerateWindowDelegate(ClosedPopupMsg.enumWindowsCallback), GCHandle.ToIntPtr(gchChildWindows));
}
finally
{
if (gchChildWindows.IsAllocated)
{
gchChildWindows.Free();
}
}
return(lstChildWindows);
}