/// <summary>
/// Given a IStream*, change its size
/// </summary>
internal static unsafe bool SetStreamSize(IntPtr pStream, ulong lSize)
{
Interop.COM.__IStream *pStreamNativePtr = (Interop.COM.__IStream *)(void *) pStream;
UInt64 newPosition;
int hr = CalliIntrinsics.StdCall__int(
pStreamNativePtr->vtbl->pfnSetSize,
pStreamNativePtr,
lSize,
(uint)Interop.COM.STREAM_SEEK.STREAM_SEEK_SET,
&newPosition);
return(hr >= 0);
}
/// <summary>
/// Given a IStream*, seek to its beginning
/// </summary>
internal static unsafe bool SeekStreamToBeginning(IntPtr pStream)
{
Interop.COM.__IStream *pStreamNativePtr = (Interop.COM.__IStream *)(void *) pStream;
UInt64 newPosition;
int hr = CalliIntrinsics.StdCall__int(
pStreamNativePtr->vtbl->pfnSeek,
pStreamNativePtr,
0UL,
(uint)Interop.COM.STREAM_SEEK.STREAM_SEEK_SET,
&newPosition);
return(hr >= 0);
}
