IWDFMemory::GetDataBuffer method (wudfddi.h)

[Warning: UMDF 2 is the latest version of UMDF and supersedes UMDF 1. All new UMDF drivers should be written using UMDF 2. No new features are being added to UMDF 1 and there is limited support for UMDF 1 on newer versions of Windows 10. Universal Windows drivers must use UMDF 2. For more info, see Getting Started with UMDF.]

The GetDataBuffer method retrieves the data buffer that is associated with a memory object.

Syntax

void * GetDataBuffer(
  SIZE_T *BufferSize
);

Parameters

BufferSize

Return value

GetDataBuffer returns a pointer to the data buffer.

Remarks

For a code example of how to use the GetDataBuffer method, see IWDFDevice::SetPnpState.

Requirements

   
End of support Unavailable in UMDF 2.0 and later.
Target Platform Desktop
Minimum UMDF version 1.5
Header wudfddi.h (include Wudfddi.h)
DLL WUDFx.dll

See also

IWDFMemory