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Microsoft Programmer's Library 1.3
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Microsoft-Programers-Library-v1.3.iso
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win_lrn
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endings
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faexit.c
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C/C++ Source or Header
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1988-08-10
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3KB
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135 lines
/*
* Function demonstrated in this program: FatalExit
* Compiler version: C 5.1
*
* Description:
* This function is typically used for debugging and cannot be
* demonstrated in this program. Only a message box will display
* in this program.
*/
#include "windows.h"
/* PROTOTYPES */
long FAR PASCAL WndProc(HWND, unsigned, WORD, LONG);
void CALL_FatalExit(HWND hWnd, HDC hDC);
BOOL WinInit(HANDLE hInstance);
/***********************************************************************/
int PASCAL WinMain(hInstance, hPrevInstance, lpszCmdLine, cmdShow)
HANDLE hInstance, hPrevInstance;
LPSTR lpszCmdLine;
int cmdShow;
{
MSG msg;
HWND hWnd;
HDC hDC;
if (!hPrevInstance)
{
/* Call initialization procedure if this is the first instance */
if (!WinInit( hInstance ))
return FALSE;
}
hWnd = CreateWindow((LPSTR)"FatalExit",
(LPSTR)"FatalExit()",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
(HWND)NULL, /* no parent */
(HMENU)NULL, /* use class menu */
(HANDLE)hInstance, /* handle to window instance */
(LPSTR)NULL /* no params to pass on */
);
/* Make window visible according to the way the app is activated */
ShowWindow(hWnd, cmdShow);
UpdateWindow(hWnd);
GetDC(hWnd);
CALL_FatalExit(hWnd, hDC);
ReleaseDC(hWnd, hDC);
/* Polling messages from event queue */
while (GetMessage((LPMSG) & msg, NULL, 0, 0))
{
TranslateMessage((LPMSG) & msg);
DispatchMessage((LPMSG) & msg);
}
return (int)msg.wParam;
}
/***********************************************************************/
/* Procedures which make up the window class. */
long FAR PASCAL WndProc(hWnd, message, wParam, lParam)
HWND hWnd;
unsigned message;
WORD wParam;
LONG lParam;
{
switch (message)
{
case WM_DESTROY:
PostQuitMessage( 0 );
break;
default:
return DefWindowProc( hWnd, message, wParam, lParam );
break;
}
return(0L);
}
/**************************************************************************/
/* Procedure called when the application is loaded for the first time */
BOOL WinInit(hInstance)
HANDLE hInstance;
{
WNDCLASS wcClass;
wcClass.style = CS_HREDRAW | CS_VREDRAW;
wcClass.lpfnWndProc = WndProc;
wcClass.cbClsExtra = 0;
wcClass.cbWndExtra = 0;
wcClass.hInstance = hInstance;
wcClass.hIcon = LoadIcon(hInstance, NULL);
wcClass.hCursor = LoadCursor(NULL, IDC_ARROW);
wcClass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
wcClass.lpszMenuName = (LPSTR)NULL;
wcClass.lpszClassName = (LPSTR)"FatalExit";
if (!RegisterClass((LPWNDCLASS) & wcClass))
return FALSE;
return TRUE; /* Initialization succeeded */
}
/***********************************************************************/
void CALL_FatalExit(hWnd, hDC)
HWND hWnd;
HDC hDC;
{
/* FatalExit(0); */ /* FatalExit function */
MessageBox(hWnd, (LPSTR)"FatalExit cannot be demonstrated \
- debugging Windows not installed.",
(LPSTR)"FatalExit", MB_OK);
return;
}