Class UserHandleEventsArgs

Notifies when the mouse events such as mouse enter, mouse leave, mouse down, mouse up carried on the user handle.

Inheritance
System.Object
UserHandleEventsArgs
Implements
System.IEquatable<UserHandleEventsArgs>
Namespace: Syncfusion.Blazor.Diagrams
Assembly: Syncfusion.Blazor.dll
Syntax
public class UserHandleEventsArgs : Object, IEquatable<UserHandleEventsArgs>
Remarks
Property Descriptions
OnUserHandleMouseDown Triggers when the mouseDown on the user handle.
OnUserHandleMouseUp Triggers when the mouseUp on the user handle.
OnUserHandleMouseEnter Triggers when the mouseEnter on the user handle.
OnUserHandleMouseLeave Triggers when the mouseLeave from the user handle.
The following code shows how to define OnUserHandleMoudeDown property.
Examples
<SfDiagram Height="600px" Nodes="@NodeCollection" SelectedItems="@SelectedModel">
   <DiagramSnapSettings Constraints = "SnapConstraints.None" ></ DiagramSnapSettings >
   < DiagramEvents OnUserHandleMouseDown="MouseDown"></DiagramEvents>
</SfDiagram>
@code{
   // Defines diagram's nodes collection
   public ObservableCollection<DiagramNode> NodeCollection { get; set; }
   // Defines diagram's SelectedItems
   public Syncfusion.Blazor.Diagrams.DiagramSelectedItems SelectedModel { get; set; }
   ObservableCollection<DiagramUserHandle> UserHandles { get; set; }
   public void MouseDown(UserHandleEventsArgs args)
   {
       if ((args != null) && (args.Element != null))
       {
           Console.WriteLine("MouseDown");
       }
   }
   protected override void OnInitialized()
   {
       //Creating the user handle for cloning the objects
       DiagramUserHandle CloneHandle = new DiagramUserHandle()
       {
           //Name of the user handle
           Name = "clone",
           //Set pathdata for userhandle
           PathData = "M60.3,18H27.5c-3,0-5.5,2.4-5.5,5.5v38.2h5.5V23.5h32.7V18z M68.5,28.9h-30c-3,0-5.5,2.4-5.5,5.5v38.2c0,3,2.4,5.5,5.5,5.5h30c3,0,5.5-2.4,5.5-5.5V34.4C73.9,31.4,71.5,28.9,68.5,28.9z M68.5,72.5h-30V34.4h30V72.5z",
       };
       //Add user handle to the user handle collection
       UserHandles = new ObservableCollection<DiagramUserHandle>()
       {
           CloneHandle
       };
       SelectedModel = new Syncfusion.Blazor.Diagrams.DiagramSelectedItems()
       {
           //Enable user handle for selected items...
           Constraints = SelectorConstraints.UserHandle,
           UserHandles = this.UserHandles
       };
       NodeCollection = new ObservableCollection<DiagramNode>();
       DiagramNode DiagramNode = new DiagramNode()
       {
           Id = "node1",
           OffsetX = 100,
           OffsetY = 100,
           Width = 100,
           Height = 100,
           Style = new NodeShapeStyle() { Fill = "#659be5", StrokeColor = "none" },
       };
       NodeCollection.Add(DiagramNode);
   }
}

Constructors

UserHandleEventsArgs()

Declaration
public UserHandleEventsArgs()

Properties

Element

Returns the user handle object.

Declaration
public DiagramUserHandle Element { get; set; }
Property Value
Type Description
DiagramUserHandle

Methods

Equals(UserHandleEventsArgs)

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

Declaration
public bool Equals(UserHandleEventsArgs userHandleEventsArgs)
Parameters
Type Name Description
UserHandleEventsArgs userHandleEventsArgs

Diagram user handle event arguments.
Returns
Type Description
System.Boolean

Returns the user handle object.

Implements

System.IEquatable<>