error.c File Reference

#include "regedit.h"

Include dependency graph for error.c:

Go to the source code of this file.

Functions
int	ErrorMessageBox (HWND hWnd, LPCWSTR lpTitle, DWORD dwErrorCode,...)
int	InfoMessageBox (HWND hWnd, UINT uType, LPCWSTR lpTitle, LPCWSTR lpMessage,...)

Function Documentation

ErrorMessageBox()

int ErrorMessageBox	(	HWND	hWnd,
		LPCWSTR	lpTitle,
		DWORD	dwErrorCode,
			...
	)

Definition at line 24 of file error.c.

Referenced by error_code_messagebox(), ExportRegistryFile(), ImportRegistryFile(), LoadHive(), and UnloadHive().

{
    int iRet = 0;
    LPWSTR lpMsgBuf = NULL;
    DWORD Status = 0;
    va_list args;

    va_start(args, dwErrorCode);

    Status = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
                            NULL,
                            dwErrorCode,
                            MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
                            (LPWSTR)&lpMsgBuf,
                            0,
                            &args);

    va_end(args);

    iRet = MessageBoxW(hWnd, (Status && lpMsgBuf ? lpMsgBuf : L"Error displaying error message."), lpTitle, MB_OK | MB_ICONERROR);

    if (lpMsgBuf) LocalFree(lpMsgBuf);

    /* Return the MessageBoxW information */
    return iRet;
}

InfoMessageBox()

int InfoMessageBox	(	HWND	hWnd,
		UINT	uType,
		LPCWSTR	lpTitle,
		LPCWSTR	lpMessage,
			...
	)

Definition at line 51 of file error.c.

Referenced by CreateNewKey(), ExportRegistryFile(), ImportRegistryFile(), PerformRegAction(), and ProcessCmdLine().

{
    int iRet = 0;
    LPWSTR lpMsgBuf = NULL;
    va_list args;

    va_start(args, lpMessage);

    if (lpMessage)
    {
        SIZE_T strLen = _vscwprintf(lpMessage, args);

        /* Create a buffer on the heap and zero it out (LPTR) */
        lpMsgBuf = (LPWSTR)LocalAlloc(LPTR, (strLen + 1) * sizeof(WCHAR));
        if (lpMsgBuf)
        {
            _vsnwprintf(lpMsgBuf, strLen, lpMessage, args);
        }
    }

    va_end(args);

    iRet = MessageBoxW(hWnd, (lpMessage && lpMsgBuf ? lpMsgBuf : L"Error displaying info message."), lpTitle, uType);

    if (lpMsgBuf) LocalFree(lpMsgBuf);

    /* Return the MessageBoxW information */
    return iRet;
}