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ShapeElement.GetPotentialMouseAction Method

Visual Studio 2010

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

C++

JScript

Copy

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

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

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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.

Reference

ShapeElement Class

Microsoft.VisualStudio.Modeling.Diagrams Namespace

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