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INSSBuffer.GetLength (Visual Basic .NET)

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INSSBuffer.GetLength (Visual Basic .NET)

The GetLength method retrieves the size, in bytes, of an allocated buffer.

Syntax

Parameters

pdwLength

Reference to a UInt32 containing the size of the allocated buffer in bytes.

Return Values

This method does not return a value.

If this method fails, it throws an exception.

Number Description
0x80070057 pdwLength is null.

Remarks

You can use the IWMSBufferAllocator Object (Visual Basic .NET) to allocate the buffer.

Example Code

' Declare variables.
Dim pbBuffer As IntPtr
Dim pdwLength as UInt32
Dim Bytes as Byte()

' Retrieve a pointer to the buffer and convert it to an array of bytes.
' The pBuffer pointer is user-defined.
pBuffer.GetBuffer(pbBuffer)
pBuffer.GetLength(pdwLength)
Bytes = Array.CreateInstance(GetType(Byte), Convert.ToInt32(pdwLength))
Marshal.Copy(pPlsBuf, Bytes, 0, Convert.ToInt32(pdwLength))

Requirements

Reference: Add a reference to Microsoft.WindowsMediaServices.

Namespace: Microsoft.WindowsMediaServices.Interop.

Assembly: Microsoft.WindowsMediaServices.dll.

Library: WMSServerTypeLib.dll.

Platform: Windows Server 2003, Enterprise Edition; Windows Server 2003, Datacenter Edition; Windows Server 2008.

See Also

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