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getNextTreeNode

Short summary​

Gets the next node that iterate should process.

Return: TRUE a valid node existed, FALSE no node for iteration existed

  • Return type: BOOL

Parameters​

NameTypeCommentKind
nodeCNM_CollectionInterfaces.IBinaryTreeNode-output

Code​

Declaration​

METHOD PROTECTED getNextTreeNode :BOOL
VAR_OUTPUT
	node	:CNM_CollectionInterfaces.IBinaryTreeNode;
END_VAR
VAR
	tmpObject	:CNM_AbstractObject.IObject;
END_VAR

Implementation​

tmpObject := THIS^.nodeList.pop();
__QUERYINTERFACE(tmpObject, node);
getNextTreeNode := THIS^.isObjectValid(node);