WINMAIN.CXX

//+--------------------------------------------------------------------------- 
// 
//  Microsoft Windows 
//  Copyright 1992 - 1998 Microsoft Corporation. 
// 
//  File:       winmain.cxx 
// 
//  Contents:   main entry point for Stereo Shop 
// 
//  Classes: 
// 
//  Functions:  WinMain 
// 
//  History:    6-08-94   stevebl   Created 
// 
//---------------------------------------------------------------------------- 
 
#include "dfv.h" 
#include "mwclass.h" 
#include <ole2ver.h> 
 
//+--------------------------------------------------------------------------- 
// 
//  Function:   InitApplication 
// 
//  Synopsis:   initializes the application and registers its window class 
//              (called once for all instances) 
// 
//  Arguments:  [hInstance] - handle to the first instance 
// 
//  Returns:    TRUE on success 
// 
//  History:    4-11-94   stevebl   Created for MFract 
//              6-08-94   stevebl   Stolen from MFract 
// 
//---------------------------------------------------------------------------- 
 
BOOL InitApplication(HINSTANCE hInstance) 
{ 
    WNDCLASS wc; 
 
    wc.style = 0; 
    wc.lpfnWndProc = &WindowProc; 
    wc.cbClsExtra = 0; 
    wc.cbWndExtra = 0; 
    wc.hInstance = hInstance; 
    wc.hIcon = LoadIcon(hInstance, TEXT("StreamIcon")); 
    wc.hCursor = (HCURSOR) LoadCursor(NULL, IDC_ARROW); 
    wc.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH); 
    wc.lpszMenuName = NULL; 
    wc.lpszClassName = TEXT(STREAM_VIEW_CLASS_NAME); 
    ATOM aReturn = RegisterClass(&wc); 
    if (!aReturn) 
    { 
        return(aReturn); 
    } 
    wc.style = CS_DBLCLKS; 
    wc.hIcon = LoadIcon(hInstance, TEXT("AppIcon")); 
    wc.lpszMenuName = TEXT(MAIN_WINDOW_CLASS_MENU_STR); 
    wc.lpszClassName = TEXT(MAIN_WINDOW_CLASS_NAME); 
    return(RegisterClass(&wc)); 
} 
 
//+--------------------------------------------------------------------------- 
// 
//  Function:   WinMain 
// 
//  Synopsis:   main window proceedure 
// 
//  Arguments:  [hInstance]     - instance handle 
//              [hPrevInstance] - handle of the previous instance (if any) 
//              [lpCmdLine]     - pointer to the command line 
//              [nCmdShow]      - show state 
// 
//  History:    4-11-94   stevebl   Created for MFract 
//              6-08-94   stevebl   Stolen from MFract 
// 
//  Notes:      initializes application and starts message loop 
// 
//---------------------------------------------------------------------------- 
 
extern "C" int PASCAL WinMain(HINSTANCE hInstance, 
            HINSTANCE hPrevInstance, 
            LPSTR lpCmdLine, 
            int nCmdShow) 
{ 
    DWORD dwBuildVersion = CoBuildVersion(); 
    if (HIWORD(dwBuildVersion) != rmm || LOWORD(dwBuildVersion) < rup) 
    { 
        // alert the caller that the OLE version is incompatible 
        // with this build. 
        MessageBoxFromStringIdsAndArgs( 
            NULL, 
            hInstance, 
            IDS_OLEINCOMPATIBLE, 
            IDS_ERROR, 
            MB_OK | MB_ICONEXCLAMATION, 
            rmm, rup); 
        return(FALSE); 
    } 
    if (FAILED(CoInitialize(NULL))) 
    { 
        // alert the caller that OLE couldn't be initialized 
        MessageBoxFromStringIds( 
            NULL, 
            hInstance, 
            IDS_OLEINITFAILED, 
            IDS_ERROR, 
            MB_OK | MB_ICONEXCLAMATION); 
        return(FALSE); 
    } 
    if (!hPrevInstance) 
    { 
        if (!InitApplication(hInstance)) 
        { 
            CoUninitialize(); 
            return(FALSE); 
        } 
    } 
    CMainWindow * pw = new CMainWindow; 
    if (pw == NULL) 
    { 
        CoUninitialize(); 
        return(FALSE); 
    } 
    if (!pw->InitInstance(hInstance, nCmdShow)) 
    { 
        // Note, if InitInstance has failed then it would have 
        // already deleted pw for me so I don't delete it here. 
        // This is because when WM_CREATE returns -1 (failure) 
        // Windows sends the WM_DESTROY message to the window 
        // and the the CHlprWindow class destroys itself whenever 
        // it receives this message. 
        CoUninitialize(); 
        return(FALSE); 
    } 
 
    // check command line and try and load as a file 
 
    if (strlen(lpCmdLine) > 0) 
    { 
#ifdef UNICODE 
        mbstowcs(pw->_szFileName, lpCmdLine, MAX_PATH - 1); 
#else 
        strncpy(pw->_szFileName, lpCmdLine, MAX_PATH - 1); 
#endif 
        pw->OpenFile(); 
    } 
 
    MSG msg; 
    HACCEL haccel = LoadAccelerators(hInstance, TEXT("AppAccel")); 
    if (haccel == NULL) 
    { 
        CoUninitialize(); 
        return(FALSE); 
    } 
 
    while (GetMessage(&msg, NULL, 0, 0)) 
    { 
        if (!TranslateAccelerator( 
            pw->GetHwnd(), 
            haccel, 
            &msg)) 
        { 
            TranslateMessage(&msg); 
            DispatchMessage(&msg); 
        } 
    } 
    CoUninitialize(); 
    return(msg.wParam); 
}