# widthOfAllVisibleColumns

> Returns the sum of all the widths of the visible columns in the MultiColumnHeaderState.visibleColumns array.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor.IMGUI.Controls](/engine/6000.6/script-reference/unityeditor/imgui/controls.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public float widthOfAllVisibleColumns { get; }
```

### Remarks

The user can toggle visibility on columns using the context menu of the MultiColumnHeader.

Additional Resources: [MultiColumnHeaderState.Column.width](/engine/6000.6/script-reference/unityeditor/imgui/controls/multicolumnheaderstate/column/width.md).