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NF:dbgeng.IDebugDataSpaces4.WriteVirtualUncached

IDebugDataSpaces4::WriteVirtualUncached (dbgeng.h)

The WriteVirtualUncached method writes data to the target's virtual address space. This method belongs to the IDebugDataSpaces4 interface.

debugger\writevirtualuncached.htm

debugger

05/03/2018

IDebugDataSpaces4::WriteVirtualUncached

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dbgeng.h

Dbgeng.h

Desktop

Windows

IDebugDataSpaces4::WriteVirtualUncached

dbgeng/IDebugDataSpaces4::WriteVirtualUncached

APIRef

kbSyntax

COM

dbgeng.h

IDebugDataSpaces4::WriteVirtualUncached

-description

The WriteVirtualUncached method writes data to the target's virtual address space.

-parameters

-param Offset [in]

Specifies the location in the target's virtual address space to be written.

-param Buffer [in]

Specifies the buffer to write the memory from.

-param BufferSize [in]

Specifies the size in bytes of the buffer. This is also the number of bytes requested to be written.

-param BytesWritten [out, optional]

Receives the number of bytes that were actually written. If it is set to NULL, this information is not returned.

-returns

This method can also return error values. See Return Values for more details.

Return code	Description
S_OK	The method was at least partially successful. BytesWritten indicates the number of bytes successfully written, which may be less than BufferSize.

-remarks

This method writes the buffer to the memory in the target's virtual address space.

This method behaves identically to WriteVirtual, except that it avoids using the virtual memory cache. It is therefore useful for reading inherently volatile virtual memory, such as memory-mapped device areas, without contaminating or invalidating the cache.