Enhanced .NET Bootstrap Setup

// 
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
/// ==========================================================================
// Name    :    CError.h
// Purpose :    simple wrapper class for displaying error msgs


#ifndef ERROR_H
#define ERROR_H

#include <windows.h>
#include <tchar.h>

//defines
//
#define EMPTY_BUFFER { _T( '\0' ) }
#define END_OF_STRING  _T( '\0' )
#define MAX_MSG    4096
#define LENGTH(A) (sizeof(A)/sizeof(A[0]))

// ==========================================================================
// class CError
//
// Purpose:
//  This class displays (error) messages and holds a return-code
// ==========================================================================
class CError
{
public:
    // Constructors
    CError();

    CError( UINT nMsg, 
            UINT nCap = 0, 
            UINT nIcon = MB_OK, 
            int nRetCode = ERROR_SUCCESS, 
            LPCTSTR pszArg = NULL);

    
    // Operations
    int ShowMessage(); 
    
    int ShowMessage(LPCTSTR pszMsg, 
                    LPCTSTR pszCaption, 
                    UINT nIcon, 
                    LPCTSTR pszArg );

    int ShowHResultMessage(UINT nMsg, 
                           UINT nCaption, 
                           UINT nIcon, 
                           HRESULT hr, 
                           LPCTSTR pszArg);

    int ShowFormattedMessage(LPCTSTR pszMsg, 
                             LPCTSTR pszCaption, 
                             UINT nIcon, 
                             LPCTSTR pszArg );

    // Data
    int m_nRetCode;

private:
    static TCHAR s_szProductName[MAX_PATH+1];

    LPCTSTR m_pszArg;
    UINT    m_nCaption;
    UINT    m_nMessage;
    UINT    m_nIconType;    
    va_list *m_pArgs; 
};

#endif