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DlMapMemoryEx function (dispmprt.h)

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Maps a range of bus-relative physical addresses of display memory into system space or into the virtual address space of a user-mode process.

Syntax

NTSTATUS DlMapMemoryEx(
  IN PVOID            DeviceHandle,
  IN PHYSICAL_ADDRESS TranslatedAddress,
  IN OUT PULONG       Length,
  IN PULONG           InIoSpace,
  IN HANDLE           ProcessHandle,
  IN OUT PVOID        *VirtualAddress,
  IN BOOLEAN          MapToUserMode
);

Parameters

DeviceHandle

A handle that represents a display adapter.

TranslatedAddress

Length

On input, specifies the number of bytes of memory to map.

InIoSpace

Pointer to a variable that indicates the location of the range.

ProcessHandle

VirtualAddress

Pointer to a variable that, on input, is either NULL or a handle to a user-mode process.

MapToUserMode

Return value

This function returns NTSTATUS.

Requirements

Requirement Value
Header dispmprt.h