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IDDCX_PATH structure (iddcx.h)

  • Article

The IDDCX_PATH structure describes the mode to be set on a given monitor.

Syntax

struct IDDCX_PATH {
  UINT                            Size;
  IDDCX_MONITOR                   MonitorObject;
  IDDCX_PATH_FLAGS                Flags;
  DISPLAYCONFIG_VIDEO_SIGNAL_INFO TargetVideoSignalInfo;
};

Members

Size

Total size of this structure, in bytes.

MonitorObject

An IDDCX_MONITOR object with the handle the driver provides to identify the monitor that this path is targeted at.

Flags

A IDDCX_PATH_FLAGS value with flags for this path, such as the path's active state and whether it has changed.

TargetVideoSignalInfo

A DISPLAYCONFIG_VIDEO_SIGNAL_INFO structure with details of the target mode signal. See Remarks.

Remarks

The operating system provides an IDDCX_PATH to the driver for every connected monitor, even if that monitor is not active.

DISPLAYCONFIG_VIDEO_SIGNAL_INFO's vSyncFreq value is the Vsync rate between the Indirect Display device and the connected monitor. vSyncFreqDivider is used to calculate the rate at which the OS will update the desktop image. The desktop update rate will be calculated by the formula: vSyncFreq / vSyncFreqDivider. vSyncFreqDivider cannot be zero.

Requirements

Requirement Value
Header iddcx.h

See also

EVT_IDD_CX_ADAPTER_COMMIT_MODES

IDARG_IN_COMMITMODES