Я думал, что ситуация когда ошибка есть, а гетЛастЕррор ее не видит, весьма специфична. Ок. Вот кусок кода
| Код |
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
LRESULT CALLBACK ChildProc(HWND hChild, UINT message, WPARAM wParam, LPARAM lParam);
BOOL InitApplication(HINSTANCE hInstance);
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow);
VOID GetWindowsError();
HMENU hMenu;
HWND hWndFrame;
HWND hWndClient;
HINSTANCE hInst;
LPCSTR szFrameClassName = "MDI Frame";
LPCSTR szClientClassName = "MDICLIENT";
LPCSTR szChildClassName = "MDI Child";
LPCSTR szFrameTitle = "Имя фрейма";
LPCSTR szChildTitle = "Имя документа";
MDICREATESTRUCT mdiStruct;
WorkspaceManager wsManager;
BOOL isGridEnabled;
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
hInst = hInstance;
MSG msg;
if (!InitApplication(hInstance))
return (FALSE);
if (!InitInstance(hInstance, nCmdShow))
return(FALSE);
while (GetMessage(&msg, NULL, 0, 0))
{
if(!TranslateMDISysAccel(hWndClient, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
return (msg.wParam);
}
BOOL InitApplication(HINSTANCE hInstance)
{
WNDCLASSEX wc;
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = (WNDPROC)WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(NULL, IDI_ASTERISK);
wc.hCursor = LoadCursor (NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW);
wc.lpszMenuName = MAKEINTRESOURCE(IDR_MENUSTRIP);
wc.lpszClassName = szFrameClassName;
wc.hIconSm = LoadIcon(wc.hInstance, NULL);
BOOL resFrame = RegisterClassEx(&wc);
if(!resFrame)
{
GetWindowsError();
}
wc.lpfnWndProc = (WNDPROC)ChildProc;
wc.lpszClassName = szChildClassName;
//wc.cbWndExtra = DLGWINDOWEXTRA;
wc.lpszMenuName = NULL;
BOOL resChild = RegisterClassEx(&wc);
if(!resChild)
{
GetWindowsError();
}
return resFrame && resChild;
}
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
hWndFrame = CreateWindowEx (
NULL,
szFrameClassName,
szFrameTitle,
WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
NULL,
NULL,
hInstance,
NULL);
if (!hWndFrame)
return (FALSE);
ShowWindow(hWndFrame, nCmdShow);
UpdateWindow(hWndFrame);
return (TRUE);
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HDC hDC;
PAINTSTRUCT ps;
switch (message)
{
case WM_CREATE:
{
CLIENTCREATESTRUCT clientStruct;
clientStruct.hWindowMenu = GetSubMenu(GetMenu(hWnd), 0);
clientStruct.idFirstChild = 50000;
hWndClient = CreateWindowEx (
WS_EX_CLIENTEDGE,
szClientClassName,
NULL,
WS_CHILD | WS_CLIPCHILDREN | WS_VISIBLE | WS_VSCROLL | WS_HSCROLL,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
hWnd,
NULL,
GetModuleHandle(NULL),
&clientStruct);
if(!hWndClient)
{
GetWindowsError();
}
ShowWindow(hWndClient, SW_SHOW);
mdiStruct.szClass = szChildClassName;
mdiStruct.szTitle = szChildTitle;
mdiStruct.hOwner = hInst;
mdiStruct.x = CW_USEDEFAULT;
mdiStruct.y = CW_USEDEFAULT;
mdiStruct.cx = CW_USEDEFAULT;
mdiStruct.cy = CW_USEDEFAULT;
mdiStruct.style = NULL;
mdiStruct.lParam = NULL;
HWND hwndSystemInformation = (HWND) SendMessage(hWndClient,
WM_MDICREATE,
0,
(LPARAM) (LPMDICREATESTRUCT) &mdiStruct) ;
|
В hwndSystemInformation пишется ноль |
