public unsafe HRESULT Stat(STATSTG *pstatstg, STATFLAG grfStatFlag)
{
if (pstatstg == null)
{
return(HRESULT.E_POINTER);
}
*pstatstg = new STATSTG
{
cbSize = (ulong)_dataStream.Length,
type = STGTY.STREAM,
// Default read/write access is STGM_READ, which == 0
grfMode = _dataStream.CanWrite
? _dataStream.CanRead
? STGM.READWRITE
: STGM.WRITE
: STGM.Default
};
if (grfStatFlag == STATFLAG.DEFAULT)
{
// Caller wants a name
pstatstg->AllocName(_dataStream is FileStream fs ? fs.Name : _dataStream.ToString());
}
return(HRESULT.S_OK);
}
public void Stat(out ComTypes.STATSTG pstatstg, STATFLAG grfStatFlag)
{
pstatstg = new ComTypes.STATSTG();
pstatstg.type = (int)STGTY.Stream;
pstatstg.cbSize = this.stream.Length;
pstatstg.grfLocksSupported = (int)LOCKTYPE.Exclusive;
}
public void Stat(out STATSTG pstatstg, STATFLAG grfStatFlag)
{
pstatstg = new STATSTG
{
cbSize = (ulong)_dataStream.Length,
type = STGTY.STREAM,
// Default read/write access is READ, which == 0
grfMode = _dataStream.CanWrite
? _dataStream.CanRead
? STGM.READWRITE
: STGM.WRITE
: STGM.Default
};
if (grfStatFlag == STATFLAG.DEFAULT)
{
// Caller wants a name
pstatstg.AllocName(_dataStream is FileStream fs ? fs.Name : _dataStream.ToString());
}
}
public void Stat(ref STATSTG pstatstg, STATFLAG grfStatFlag)
{
pstatstg = new STATSTG();
pstatstg.type = STGTY.STGTY_STREAM;
pstatstg.cbSize = UnderlyingStream.Length;
pstatstg.grfMode = 0;
if (UnderlyingStream.CanRead && UnderlyingStream.CanWrite)
{
pstatstg.grfMode |= STGM.STGM_READWRITE;
}
else if (UnderlyingStream.CanRead)
{
pstatstg.grfMode |= STGM.STGM_READ;
}
else if (UnderlyingStream.CanWrite)
{
pstatstg.grfMode |= STGM.STGM_WRITE;
}
else
{
throw new ObjectDisposedException(null);
}
}
public void Stat(out ComTypes.STATSTG pstatstg, STATFLAG grfStatFlag)
{
pstatstg = new ComTypes.STATSTG();
pstatstg.type = (int)STGTY.Stream;
pstatstg.cbSize = this.stream.Length;
pstatstg.grfLocksSupported = (int)LOCKTYPE.Exclusive;
}
void Stat(out STATSTG pstatstg, [In] STATFLAG grfStatFlag);
internal static System.Runtime.InteropServices.ComTypes.STATSTG GetStatistics(this IStorage storage, STATFLAG statflag)
{
System.Runtime.InteropServices.ComTypes.STATSTG statstg = default(System.Runtime.InteropServices.ComTypes.STATSTG);
uint grfStatFlag = (uint)statflag;
storage.Stat(out statstg, grfStatFlag);
return(statstg);
}
