TTMSFNCTreeViewVirtualNode.GetPreviousSibling Method
Returns the previous sibling virtual node, or nil when this is the first child of its parent.
API unit family: TMSFNCTreeViewData
Declaring type: TTMSFNCTreeViewVirtualNode
Syntax
function GetPreviousSibling: TTMSFNCTreeViewVirtualNode; virtual;
virtual TTMSFNCTreeViewVirtualNode* __fastcall GetPreviousSibling();