Class InteractionControllerBase

Represents the interactive tools.

Inheritance
System.Object
CommonController
InteractionControllerBase
ConnectionController
DragController
FixedUserHandleController
NodeDrawingController
PolygonDrawingController
PolylineDrawingController
ResizeController
RotationController
SelectionController
Namespace: Syncfusion.Blazor.Diagram
Assembly: Syncfusion.Blazor.dll
Syntax
public class InteractionControllerBase : CommonController

Constructors

InteractionControllerBase(SfDiagramComponent)

Initializes a new instance of the InteractionControllerBase class.

Declaration
public InteractionControllerBase(SfDiagramComponent diagram)
Parameters
Type Name Description
SfDiagramComponent diagram

It provides sfdiagramcomponent

Properties

CurrentPosition

Gets or sets the current position of the element.

Declaration
protected DiagramPoint CurrentPosition { get; set; }
Property Value
Type
DiagramPoint

InAction

Allows to decide whether an element in action or not.

Declaration
protected bool InAction { get; set; }
Property Value
Type
System.Boolean

PreviousPosition

Gets or sets the previous position of the element.

Declaration
protected DiagramPoint PreviousPosition { get; set; }
Property Value
Type
DiagramPoint

StartPosition

Gets or sets the starting point of the element.

Declaration
protected DiagramPoint StartPosition { get; set; }
Property Value
Type
DiagramPoint

Methods

OnMouseDown(DiagramMouseEventArgs)

This method triggers when the mouse pointer is moved over the element and a mouse button is clicked.

Declaration
public override void OnMouseDown(DiagramMouseEventArgs args)
Parameters
Type Name Description
DiagramMouseEventArgs args
Overrides

OnMouseLeave(DiagramMouseEventArgs)

This method triggers when the mouse pointer leaves the element.

Declaration
public override void OnMouseLeave(DiagramMouseEventArgs args)
Parameters
Type Name Description
DiagramMouseEventArgs args

DiagramMouseEventArgs
Overrides

OnMouseMove(DiagramMouseEventArgs)

This method triggers when the mouse pointer is moved over the element.

Declaration
public override bool OnMouseMove(DiagramMouseEventArgs args)
Parameters
Type Name Description
DiagramMouseEventArgs args

DiagramMouseEventArgs
Returns
Type Description
System.Boolean

Blocked
Overrides

OnMouseUp(DiagramMouseEventArgs)

This method triggers when the mouse pointer is moved over the element and a mouse button is released.

Declaration
public override void OnMouseUp(DiagramMouseEventArgs args)
Parameters
Type Name Description
DiagramMouseEventArgs args

DiagramMouseEventArgs
Overrides