Class IBlazorPropertyChangeEventArgs

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

Inheritance
System.Object
IBlazorPropertyChangeEventArgs
Implements
Namespace: Syncfusion.Blazor.Diagrams
Assembly: Syncfusion.Blazor.dll
Syntax
public class IBlazorPropertyChangeEventArgs : Object, IEquatable<IBlazorPropertyChangeEventArgs>
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

Methods

Equals(IBlazorPropertyChangeEventArgs)

Indicates whether the iBlazorPropertyChangeEventArgs object is equal to another object of the same type.

Declaration
public bool Equals(IBlazorPropertyChangeEventArgs iBlazorPropertyChangeEventArgs)
Parameters
Type Name Description
IBlazorPropertyChangeEventArgs iBlazorPropertyChangeEventArgs

Diagram property change event arguments.
Returns
Type Description
System.Boolean

Returns the node/connector property changed.

Implements

System.IEquatable<>