ShapeElement.GetPotentialMouseAction Method

Gets the mouse action to perform for a mouse down event over a specific point in the diagram.

Namespace:  Microsoft.VisualStudio.Modeling.Diagrams
Assembly:  Microsoft.VisualStudio.Modeling.Sdk.Diagrams.10.0 (in Microsoft.VisualStudio.Modeling.Sdk.Diagrams.10.0.dll)

Syntax

'Declaration
Public Overridable Function GetPotentialMouseAction ( _
    mouseButtons As MouseButtons, _
    point As PointD, _
    hitTestInfo As DiagramHitTestInfo _
) As MouseAction

public virtual MouseAction GetPotentialMouseAction(
    MouseButtons mouseButtons,
    PointD point,
    DiagramHitTestInfo hitTestInfo
)

public:
virtual MouseAction^ GetPotentialMouseAction(
    MouseButtons mouseButtons, 
    PointD point, 
    DiagramHitTestInfo^ hitTestInfo
)

abstract GetPotentialMouseAction : 
        mouseButtons:MouseButtons * 
        point:PointD * 
        hitTestInfo:DiagramHitTestInfo -> MouseAction 
override GetPotentialMouseAction : 
        mouseButtons:MouseButtons * 
        point:PointD * 
        hitTestInfo:DiagramHitTestInfo -> MouseAction 

public function GetPotentialMouseAction(
    mouseButtons : MouseButtons, 
    point : PointD, 
    hitTestInfo : DiagramHitTestInfo
) : MouseAction

Parameters

• mouseButtons
  Type: System.Windows.Forms.MouseButtons
  The mouse buttons that can cause the mouse down event.

• point
  Type: Microsoft.VisualStudio.Modeling.Diagrams.PointD
  The point on the diagram, relative to the top-left point of the diagram.

• hitTestInfo
  Type: Microsoft.VisualStudio.Modeling.Diagrams.DiagramHitTestInfo
  The hit test information.

Return Value

Type: Microsoft.VisualStudio.Modeling.Diagrams.MouseAction
The mouse action to perform for a mouse down event over a specific point in the diagram.

Examples

public override DslDiagrams::MouseAction GetPotentialMouseAction(System.Windows.Forms.MouseButtons mouseButtons, DslDiagrams.PointD point, DslDiagrams::DiagramHitTestInfo hitTestInfo)
{
    DslDiagrams::LinkShape linkShape = hitTestInfo.HitDiagramItem.Shape as DslDiagrams::LinkShape;
    DslDiagrams::AnchorPoint anchorPoint = hitTestInfo.HitDiagramItem.AnchorPoint;
    DslDiagrams::MouseAction action = null;

    if ((linkShape != null) && (hitTestInfo.DiagramClientView.Selection.Count == 1) &&
             (anchorPoint != null))
    {
        action = this.SequenceDiagram.AnchorKeyPointAction;
    }

    else if ((mouseButtons == MouseButtons.Left || mouseButtons == MouseButtons.None) &&
(linkShape != null) && (hitTestInfo.DiagramClientView.Selection.Count == 1) &&
(hitTestInfo.DiagramClientView.Selection.PrimaryItem.Shape is LinkShape) &&
(hitTestInfo.DiagramClientView.Selection.PrimaryItem.Shape == linkShape) &&
(hitTestInfo.DiagramClientView.Selection.FocusedItem != null) &&
(hitTestInfo.DiagramClientView.Selection.FocusedItem.Shape == linkShape))
{
        action = this.SequenceDiagram.AnchorKeyPointAction;
}
    
    else
    {
        action = base.GetPotentialMouseAction(mouseButtons, point, hitTestInfo);            
    }
     
    
    return action;
}
     
    return action;
}

.NET Framework Security

• Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

See Also

Reference

ShapeElement Class

Microsoft.VisualStudio.Modeling.Diagrams Namespace