CrControlCode_TrackingOnAndAFOnButton

Control tracking on + AF on button.

CrDataType: CrDataType_Button

Parameter Code	Explanation
CrControlButton_Up	Be sure to specify “Up” after specifying “Down”.
CrControlButton_Down	Specify “Down” when you want to enable both Tracking and AF. Valid when CrDeviceProperty_TrackingOnAndAFOnEnableStatus is Enable.