HOOK DE ENTER SUR DIALOGBOX (WIN32)

#include <windows.h>
#include "resource.h"

HHOOK hhk = 0;

// HOOK LOCAL de ENTER sur boite type dialogbox ou MessageBox
LRESULT CALLBACK MsgFilterProc(int nCode, WPARAM wParam, LPARAM lParam)
{
  MSG *lpmsg;
  lpmsg = (MSG*) lParam;
  if(nCode != MSGF_DIALOGBOX) goto defRet;
  if(lpmsg->message == WM_KEYDOWN) {
    if(lpmsg->wParam == VK_RETURN) {
      MessageBox(lpmsg->hwnd, "Touche INTERDITE", "VK_RETURN", 0);
      return 1;
    }
  }
defRet:
  return (CallNextHookEx(hhk, nCode, wParam, lParam));
}

BOOL CALLBACK AppDlgProc(HWND hdlg, UINT mssg, WPARAM wParam, LPARAM lParam)
{
  switch(mssg) {
    case WM_INITDIALOG:
      SetClassLong(hdlg, GCL_HICON, (long)LoadIcon(0, (LPCTSTR)IDI_APPLICATION));
      hhk = SetWindowsHookEx(WH_MSGFILTER, MsgFilterProc, 0, GetCurrentThreadId());
      return 1;
    case WM_COMMAND:
      switch(wParam) {
        case IDOK:
          MessageBox(hdlg, "Salut", "IDOK", 0);
          return 0;
        case IDCANCEL:
          if(hhk) UnhookWindowsHookEx(hhk);
          EndDialog(hdlg, 0);
      }
  }
  return 0;
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE, PSTR, int)
{
  DialogBoxParam(hInstance, (LPCTSTR)IDD_APP, 0, AppDlgProc, 0);
  return 0;
}