C# Signature:

[DllImport("ole32.dll", ExactSpelling=true, PreserveSig=false)]
static extern void WriteClassStm(
    UCOMIStream pStm,
    [In, MarshalAs(UnmanagedType.LPStruct)] Guid rclsid);

User-Defined Types:

None.

Notes:

None.

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Sample Code:

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Alternative Managed API:

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