if ((DWORD)pcs->lpszClass == 0x00008002)//#32770,“打印”对话框类名 { if ( g_hWndDialog == 0 ) g_hWndDialog = hWnd; // 只保存一次保存“打印”窗口的句柄 } break; } case HCBT_DESTROYWND: { HWND hwnd = (HWND)wParam; if (hwnd == g_hWndDialog) { AfxGetMainWnd()->EnableWindow(TRUE);//恢复窗口状态 UnhookWindowsHookEx(g_hHook);//去除挂钩 } break; } } return CallNextHookEx(g_hHook, nCode, wParam, lParam); } |