INT_PTR CALLBACK DefDialogProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
CDialog* pThis = NULL;
CDialog* pThat = NULL;
switch(uMsg)
{
case WM_INITDIALOG:
pThis=(CDialog*)lParam; //获取对象指针
if( NULL != pThis)
{
pThis->Attach(hWnd); //设置HWND和对象之间的关系
SetWindowLongPtr(hWnd, GWLP_USERDATA, (LONG_PTR)pThis); //将对象指针保存到窗口hWnd用户数据空间
}
break;
default:
break;
}
pThat = (CDialog*)GetWindowLongPtr(hWnd, GWLP_USERDATA); //从窗口句柄hWnd得到对象指针，因为之前有SetWindowLongPtr()
if(NULL != pThat)
{
return ( pThat->HandleMessage(uMsg,wParam, lParam) );
}
return (INT_PTR)FALSE;
}
static INT_PTR APIENTRY DialogProcedure(HWND dialogHWND, UINT message, WPARAM wParam, LPARAM lParam)
{
CWindow tempDialog(dialogHWND);
if (message == WM_INITDIALOG)
tempDialog.SetUserDataLongPtr(lParam);
CDialog *dialog = (CDialog *)(tempDialog.GetUserDataLongPtr());
if (dialog == NULL)
return FALSE;
if (message == WM_INITDIALOG)
dialog->Attach(dialogHWND);
try { return BoolToBOOL(dialog->OnMessage(message, wParam, lParam)); }
catch(...) { return TRUE; }
}
static INT_PTR APIENTRY DialogProcedure(HWND dialogHWND, UINT message,
WPARAM wParam, LPARAM lParam)
{
CWindow dialogTmp(dialogHWND);
if (message == WM_INITDIALOG)
dialogTmp.SetUserDataLongPtr(lParam);
CDialog *dialog = (CDialog *)(dialogTmp.GetUserDataLongPtr());
if (dialog == NULL)
return FALSE;
if (message == WM_INITDIALOG)
dialog->Attach(dialogHWND);
return BoolToBOOL(dialog->OnMessage(message, wParam, lParam));
}