# performDrop

> This value is false as long as the mouse button is down, when the mouse button is released it is true.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor.IMGUI.Controls](/engine/6000.3/script-reference/unityeditor/imgui/controls.md)
* **Assembly:** UnityEditor

```csharp
public bool performDrop
```

### Remarks

When this value is true the drop should be peformed. The data backend should be changed and the TreeView should be reloaded to reflect the new state.