last_error Class Reference

#include <shellext.h>

Inheritance diagram for last_error:

Collaboration diagram for last_error:

Public Member Functions
	last_error (DWORD errnum)
const char *	what () const noexcept

Private Attributes
string	msg

Additional Inherited Members
Public Attributes inherited from __exception
vtable_ptr *	vtable
char *	name
int	do_free
const vtable_ptr *	vtable
BOOL	do_free

Detailed Description

Definition at line 365 of file shellext.h.

Constructor & Destructor Documentation

last_error()

last_error::last_error

(

DWORD

errnum

)

Definition at line 766 of file main.cpp.

                                   {
    WCHAR* buf;
 
    if (FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, nullptr,
        errnum, 0, (WCHAR*)&buf, 0, nullptr) == 0)
        throw runtime_error("FormatMessage failed");
 
    try {
        msg = utf16_to_utf8(buf);
    } catch (...) {
        LocalFree(buf);
        throw;
    }
 
    LocalFree(buf);
}

Member Function Documentation

what()

const char * last_error::what ( ) const

inlinenoexcept

Definition at line 369 of file shellext.h.

                                      {
        return msg.c_str();
    }

Member Data Documentation

msg

string last_error::msg

private

Definition at line 374 of file shellext.h.

Referenced by last_error(), and what().

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The documentation for this class was generated from the following files:

• dll/shellext/shellbtrfs/shellext.h
• dll/shellext/shellbtrfs/main.cpp