CFile::hFileNullif (myFile.m_hFile != CFile::hFileNull) //perform operations on the file else //indicate the presence of an invalid handle
up CFile::hFileNullSee Also CFile Overview | Class Members | Hierarchy ChartDetermines the presence of a valid file handle for the CFile object. static AFX_DATA const HANDLE hFileNull; Res This constant is used to determine if the CFile object has a valid file handle. The following example demonstrates this operation: if (myFile.m_hFile != CFile::hFileNull) //perform operations on the file else //indicate the presence of an invalid handle
//perform operations on the file
else
//indicate the presence of an invalid handle
CFile::hFileNullSee Also
CFile Overview | Class Members | Hierarchy ChartDetermines the presence of a valid file handle for the CFile object.
static AFX_DATA const HANDLE hFileNull;
Res
This constant is used to determine if the CFile object has a valid file handle.
The following example demonstrates this operation:
if (myFile.m_hFile != CFile::hFileNull)
//perform operations on the file
else
//indicate the presence of an invalid handle