// dispmprt.h

VP_STATUS DlSetTrappedEmulatorPorts(
  PVOID               DeviceHandle,
  ULONG               NumAccessRanges,
  PVIDEO_ACCESS_RANGE AccessRange
);
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Windows Driver Kit DDI reference (nf-dispmprt-dlsettrappedemulatorports)

DlSetTrappedEmulatorPorts function

Description

Dynamically change the list of I/O ports that are trapped when a video display monitor runs in full-screen mode on an x86-based machine.

Parameters

`DeviceHandle`

A handle that represents a display adapter.

`NumAccessRanges`

Specifies the number of elements in the AccessRange array.

`AccessRange`

Pointer to an array of VIDEO_ACCESS_RANGE elements.

Return value

This function returns VP_STATUS.

DlSetTrappedEmulatorPorts - NtDoc