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**Interactivity**

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The **Interactivity** method processes the mouse coordinates of a graph control, and finds corresponding nodes of diagrams and displays it on a ToolTip or other appropriate target. It is used to keep the mouse and node data in sync.

**Implementation:**

The **Interactivity **method calls several methods (FindNearbyNodes, SetSelectedNode and ToShowValues) to gather node data. It is called during a MouseMove event.

**See Also:**     [[takeeventofparent process all graph events .htm|TakeEventOfParent]]