Microsoft DirectX 9.0

AM_OVERLAY_NOTIFY_FLAGS Enumeration

The AM_OVERLAY_NOTIFY_FLAGS enumeration indicates what the overlay has changed, or is about to change.

Syntax

typedef enum _AM_OVERLAY_NOTIFY_FLAGS {
    AM_OVERLAY_NOTIFY_VISIBLE_CHANGE  = 0x00000001,
    AM_OVERLAY_NOTIFY_SOURCE_CHANGE   = 0x00000002,
    AM_OVERLAY_NOTIFY_DEST_CHANGE     = 0x00000004
};

Elements

AM_OVERLAY_NOTIFY_VISIBLE_CHANGE

The rectangle will be changed from visible to invisible, or vice-versa.

AM_OVERLAY_NOTIFY_SOURCE_CHANGE

Source rectangle changed or changing.

AM_OVERLAY_NOTIFY_DEST_CHANGE

Destination rectangle changed or changing.

Remarks

The IDDrawExclModeVideoCallback::OnUpdateOverlay method uses these flags to indicate how the overlay has changed, so that applications can take the necessary steps.

See Also