windowsforms-devexpress-dot-xtradiagram-dot-diagramcontrol-ac4a12be.md
Fires when a diagram item is resized by the end-user or programmatically.
Namespace : DevExpress.XtraDiagram
Assembly : DevExpress.XtraDiagram.v25.2.dll
NuGet Package : DevExpress.Win.Diagram
[DiagramCategory(DiagramCategory.DiagramItems)]
public event EventHandler<DiagramItemsResizingEventArgs> ItemsResizing
<DiagramCategory(DiagramCategory.DiagramItems)>
Public Event ItemsResizing As EventHandler(Of DiagramItemsResizingEventArgs)
The ItemsResizing event's data class is DiagramItemsResizingEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| ActionSource | Indicates whether the resizing operation is performed using the selection handles or the Properties Panel. |
| Cancel | Gets or sets a value indicating whether the event should be canceled. Inherited from CancelEventArgs. |
| Items | Returns the collection of data about items that are being resized. |
| Mode | Indicates the direction of resizing. |
| Stage | Indicates whether the resizing operation has just started, is continuing or has been finished or canceled. |
The ActionSource event’s parameter indicates whether the resizing operation is performed using drag-and-drop or pressing key shortcuts. The Mode property indicates the direction of resizing.
The following code snippet (auto-collected from DevExpress Examples) contains a reference to the ItemsResizing event.
Note
The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.
winforms-diagram-proportionally-resize-shapes-within-container/CS/WindowsFormsApp4/Form1.cs#L18
diagramControl1.BeforeItemsResizing += DiagramControl1_BeforeItemsResizing;
diagramControl1.ItemsResizing += DiagramControl1_ItemsResizing;
winforms-diagram-proportionally-resize-shapes-within-container/VB/WindowsFormsApp4/Form1.vb#L20
AddHandler diagramControl1.BeforeItemsResizing, AddressOf DiagramControl1_BeforeItemsResizing
AddHandler diagramControl1.ItemsResizing, AddressOf DiagramControl1_ItemsResizing
DiagramControl.ItemTypeRegistrator.Register(GetType(CustomDiagramContainer))
See Also