[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 CopyFromBuffer method safely copies data from the specified source buffer to a memory object.
HRESULT CopyFromBuffer( ULONG_PTR DestOffset, void *SourceBuffer, SIZE_T NumOfBytesToCopyFrom );
The offset, in bytes, into the memory object to start to copy data to.
The number of bytes to copy from the buffer that pSourceBuffer points to.
CopyFromBuffer returns S_OK if the operation succeeds. Otherwise, this method returns one of the error codes that are defined in Winerror.h.
|End of support||Unavailable in UMDF 2.0 and later.|
|Minimum UMDF version||1.5|
|Header||wudfddi.h (include Wudfddi.h)|