// iddcx.h

struct IDARG_OUT_GETDEFAULTDESCRIPTIONMODES {
  UINT DefaultMonitorModeBufferOutputCount;
  UINT PreferredMonitorModeIdx;
};
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Windows Driver Kit DDI reference (ns-iddcx-idarg_out_getdefaultdescriptionmodes)

IDARG_OUT_GETDEFAULTDESCRIPTIONMODES structure

Description

Gives information about the default description modes for the monitor, as well as the preferred mode of the monitor.

Members

`DefaultMonitorModeBufferOutputCount`

[out] If the IDARG_IN_PARSEMONITORDESCRIPTION value pDefaultMonitorModes was NULL, then the driver should set this to the number of monitor modes the driver would generate for the specified monitor description.

If the IDARG_IN_PARSEMONITORDESCRIPTION value pDefaultMonitorModes was non-NULL, then this is the count of the monitor modes that the driver copied to that buffer.

`PreferredMonitorModeIdx`

[out] Index into the pMonitorModes array of the preferred monitor mode. A value of NO_PREFERRED_MODE indicates that there is no preferred monitor mode.

IDARG_OUT_GETDEFAULTDESCRIPTIONMODES - NtDoc