# HandlePointerDown(PointerDownEvent)

> Handle mouse down eventHandles when the pointer is pressed down during an edge drag operation..

## Definition

* **Type:** Method
* **Namespace:** [UnityEditor.Experimental.GraphView](/engine/6000.6/script-reference/unityeditor/experimental/graphview.md)
* **Assembly:** UnityEditor

```csharp
public override bool HandlePointerDown(PointerDownEvent evt)
```

### Parameters

**** (\[PointerDownEvent]\(/engine/6000.6/script-reference/unityengine/uielements/pointerdownevent)): The pointer down event.

### Returns

| Type                                                          | Description                                                                          |
| ------------------------------------------------------------- | ------------------------------------------------------------------------------------ |
| [bool](https://learn.microsoft.com/dotnet/api/system.boolean) | Returns true if the edge drag operation was successfully initiated, false otherwise. |