COMExceptionBase Struct Reference

COM ExceptionBase class as replacement for _com_error. More...

#include <shellclasses.h>

Inheritance diagram for COMExceptionBase:

Public Member Functions
	COMExceptionBase (HRESULT hr)
HRESULT	Error () const
LPCTSTR	ErrorMessage () const

Protected Attributes
HRESULT	_hr
String	_msg

Detailed Description

COM ExceptionBase class as replacement for _com_error.

Definition at line 72 of file shellclasses.h.

Constructor & Destructor Documentation

COMExceptionBase()

COMExceptionBase::COMExceptionBase ( HRESULT  hr )

inline

Definition at line 74 of file shellclasses.h.

     :  _hr(hr)
    {
    }

Member Function Documentation

Error()

HRESULT COMExceptionBase::Error ( ) const

inline

Definition at line 79 of file shellclasses.h.

    {
        return _hr;
    }

ErrorMessage()

LPCTSTR COMExceptionBase::ErrorMessage ( ) const

inline

Definition at line 84 of file shellclasses.h.

    {
        if (_msg.empty()) {
            LPTSTR pBuf;
 
            if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
                0, _hr, MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT), (LPTSTR)&pBuf, 0, NULL)) {
                _msg = pBuf;
                LocalFree(pBuf);
             } else {
                TCHAR buffer[128];
                _sntprintf(buffer, COUNTOF(buffer), TEXT("unknown Exception: 0x%08lX"), _hr);
                _msg = buffer;
             }
        }
 
        return _msg;
    }

Referenced by COMException::toString().

Member Data Documentation

_hr

HRESULT COMExceptionBase::_hr

protected

Definition at line 104 of file shellclasses.h.

Referenced by Error(), and ErrorMessage().

_msg

String COMExceptionBase::_msg

mutableprotected

Definition at line 105 of file shellclasses.h.

Referenced by ErrorMessage().

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The documentation for this struct was generated from the following file:

• modules/rosapps/applications/explorer-old/utility/shellclasses.h