Class IBlazorConnectionChangeEventArgs

Notifies when the connector’s source id or target id was changed.

Inheritance

System.Object

IBlazorConnectionChangeEventArgs

Namespace: Syncfusion.Blazor.Diagrams

Assembly: Syncfusion.Blazor.dll

Syntax

public class IBlazorConnectionChangeEventArgs : Object

Examples

<SfDiagram Height="600px" Connectors="@ConnectorCollection">
   <DiagramEvents OnConnectionChange = "ConnectionChange" ></ DiagramEvents >
</ SfDiagram >
@code
{
   //Defines diagram's connector collection
   public ObservableCollection<DiagramConnector> ConnectorCollection = new ObservableCollection<DiagramConnector>();
   public void ConnectionChange(IBlazorConnectionChangeEventArgs args)
   {
       args.Cancel = false;
       if ((args != null) && (args.Connector != null) && (args.ConnectorEnd != null) && (args.State == EventState.Changing) && (args.NewValue != null) && (args.OldValue != null))
       {
           Console.WriteLine("commandExecuted");
       }
   }
   protected override void OnInitialized()
   {
       DiagramConnector DiagramConnector = new DiagramConnector()
       {
           SourcePoint = new ConnectorSourcePoint() { X = 100, Y = 100 },
           TargetPoint = new ConnectorTargetPoint() { X = 200, Y = 200 },
           Style = new ConnectorShapeStyle() { StrokeColor = "#6f409f", StrokeWidth = 1 },
           ///Specify the segments types as straight.
           Type = Segments.Straight,
       };
       ConnectorCollection.Add(DiagramConnector);
   }
}

Constructors

IBlazorConnectionChangeEventArgs()

Declaration

public IBlazorConnectionChangeEventArgs()

Properties

Cancel

Defines wether the user can prevent the connection or disconnection of the connector or not.

Declaration

public bool Cancel { get; set; }

Property Value

Type	Description
System.Boolean

Connector

Returns the new source node or target node of the connector.

Declaration

public DiagramConnector Connector { get; set; }

Property Value

Type	Description
DiagramConnector

ConnectorEnd

Returns the wether it is source end or target end.

Declaration

public string ConnectorEnd { get; set; }

Property Value

Type	Description
System.String

NewValue

Returns the current source or target node of the connector.

Declaration

public BlazorConnectionObject NewValue { get; set; }

Property Value

Type	Description
BlazorConnectionObject

OldValue

Returns the previous source or target node of the connector.

Declaration

public BlazorConnectionObject OldValue { get; set; }

Property Value

Type	Description
BlazorConnectionObject

State

Returns the state of connection endpoint dragging such as starting, completed.

Declaration

public EventState State { get; set; }

Property Value

Type	Description
EventState