CollapseControlID – This property is used for which panel control will be activated as header.
ExpandControlID - This property is used for which panel control will be activated as header.
TextLabelID - This property is used for applying which label will be show hide and show text message.
TargetControlID - This property is used for which control will be expanded or collapsed.
CollapsedImage - This property is used for which control will be will be assigned to show up and down arrow.