How to notify state of operation performed on node in WPF Diagram?
WPF Diagram (SfDiagram) provides some interactions (Resize, Rotate and Drag) support on Node. The NodeChangedEvent is to notify operation performing on Node with InteractionState as arguments. InteractionState argument is to notify the State of operation (Dragging, Rotating, Resizing, Dragged, Rotated, and Resized) performed on Node using NodeChangedEvent. Please refer to the below code example to achieve this.
C#
//Event to notify the state of operation performed on Node. (diagram.Info as IGraphInfo).NodeChangedEvent += diagram_NodeChangedEvent;
void diagram_NodeChangedEvent(object sender, ChangeEventArgs<object, NodeChangedEventArgs> args)
{ //argument to notify the state of operation performed on Node in NodeChangedEvent. var InteractionState = args.NewValue.InteractionState; if (InteractionState == NodeChangedInteractionState.Dragging) { //Dragging in Progress } if(InteractionState == NodeChangedInteractionState.Dragged) { //Dragging Completed } }
Conclusion
I hope you enjoyed learning about how to notify the state of operation performed on node in WPF Diagram (SfDiagram).
You can refer to our WPF Diagram feature tour page to know about its other groundbreaking feature representations. You can also explore our WPF Diagram documentation to understand how to create and manipulate data.
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