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TAutoClose
A simple example shows how this class can be used.
TInt ReadFile(const TDesC& aFile)
//
// Read a file
//
{
TAutoClose<RFile> file;
TInt r=file.iObj.Open(aFile,KFileStreamText|EFileExclusive);
if (r!=KErrNone)
return(r);
TBuf<100> b;
if ((r=file.iObj.Read(b))!=KErrNone)
return(r);
...
}
The object file
goes out of scope when the function completes, and the compiler automatically destroys it, calling the TAutoClose
destructor in the process. The destructor calls Close()
on the RFile
member of TAutoClose
.