IltmmMemory::SetData

Summary

Sets new data in the objects buffer, at the specified index, with the specified size.

Syntax

#include "ltmm.h"

Language Syntax
C HRESULT IltmmMemory_SetData(pMem, Index, Count, Data)
C++ HRESULT SetData(Index, Count, Data)

Parameters

IltmmMemory *pMem

Pointer to an IltmmMemory interface.

long Index

Index (offset) at which to set the new data in the objects buffer.

long Count

Size, in bytes (number of byte elements), of the data to set.

VARIANT Data

VARIANT containing a reference to a SAFEARRAY of data. The array should have one dimension and should contain byte elements.

Returns

Value Meaning
S_OK The function was successful.
<> S_OK An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.

Comments

If the size of the data to set is larger than the size available after the offset, the function will update only the available space between the offset and the end of the buffer.

The area of the buffer to which the new data is copied will be locked for the duration of the call.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

Language Example
C Use ltmmMemory for Memory Conversion
C++ Use ltmmMemory for Memory Conversion
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