windowsforms-devexpress-dot-xtradiagram-dot-diagramcontrol-2e35598c.md
Occurs each time the cursor moves while hovering over a diagram item.
Namespace : DevExpress.XtraDiagram
Assembly : DevExpress.XtraDiagram.v25.2.dll
NuGet Package : DevExpress.Win.Diagram
[DiagramCategory(DiagramCategory.DiagramPaint)]
public event EventHandler<CustomHitTestEventArgs> CustomHitTest
<DiagramCategory(DiagramCategory.DiagramPaint)>
Public Event CustomHitTest As EventHandler(Of CustomHitTestEventArgs)
The CustomHitTest event's data class is CustomHitTestEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| Angle | Gets the angle by which the diagram item is rotated around its anchor point relative to the diagram canvas. |
| Bounds | Gets the bounds of the item to which the test points belongs. |
| Item | Gets the item to which the test point belongs. |
| ItemHeight | Gets the height of the item to which the test point belongs. |
| ItemWidth | Gets the width of the item to which the test point belongs. |
| Point | Gets the object that represents the position of the test point relative to the item it belongs to. |
| Result | Gets or sets whether the test point belongs to a diagram item. |
The CustomHitTest event allows you to implement a custom hit testing logic. It is mainly designed to be used with the DiagramControl.CustomDrawItem event.
Setting the event’s CustomHitTestEventArgs.Result property to false prevents the end-user from selecting the diagram item hovered by the pointer.
See Also