Class IBlazorPropertyChangeEventArgs

Notifies when the node, connector, or diagram property has changed.

Inheritance

System.Object

IBlazorPropertyChangeEventArgs

Namespace: Syncfusion.Blazor.Diagrams

Assembly: Syncfusion.Blazor.dll

Syntax

public class IBlazorPropertyChangeEventArgs : Object

Examples

<SfDiagram Height="600px" Nodes="@NodeCollection">
   <DiagramEvents PropertyChanged = "Changed" ></ DiagramEvents >
</ SfDiagram >
@code
   {
   public ObservableCollection<DiagramNode> NodeCollection = new ObservableCollection<DiagramNode>();
   public void Changed(IBlazorPropertyChangeEventArgs args)
   {
       if ((args != null) && (args.Element != null) && (args.NewValue != null) && (args.OldValue != null) && (args.Cause == DiagramAction.Render))
       {
           Console.WriteLine("Changed");
       }
   }
   protected override void OnInitialized()
   {
       NodeCollection = new ObservableCollection<DiagramNode>()
       {
           new DiagramNode(){
               Id="node1",
               Height = 100,
               Width = 100,
               OffsetX = 300,
               OffsetY = 100
           },
       };
   }
}

Constructors

IBlazorPropertyChangeEventArgs()

Declaration

public IBlazorPropertyChangeEventArgs()

Properties

Cause

Returns the cause of the event whether it nudge or not.

Declaration

public DiagramAction Cause { get; set; }

Property Value

Type	Description
DiagramAction

Element

Returns the selected element.

Declaration

public DiagramPropertyChangeObject Element { get; set; }

Property Value

Type	Description
DiagramPropertyChangeObject

NewValue

Returns the new value of the node or connectors property that is being changed.

Declaration

public DiagramPropertyChangeObject NewValue { get; set; }

Property Value

Type	Description
DiagramPropertyChangeObject

OldValue

Returns the old value of the node or connector’s property that is being changed.

Declaration

public DiagramPropertyChangeObject OldValue { get; set; }

Property Value

Type	Description
DiagramPropertyChangeObject