CompositeActivityDesigner.Expanded Property

Reference

Definition

Namespace:: System.Workflow.ComponentModel.Design

Assembly:: System.Workflow.ComponentModel.dll

Important

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Gets or sets a value that indicates whether the CompositeActivityDesigner is expanded.

public:
 virtual property bool Expanded { bool get(); void set(bool value); };

public virtual bool Expanded { get; set; }

member this.Expanded : bool with get, set

Public Overridable Property Expanded As Boolean

Property Value

Boolean

true if the CompositeActivityDesigner is expanded; otherwise false.

Examples

The following code example demonstrates how you can set the Expanded property based on a Boolean value passed as an argument to a method.

This code example is part of the Workflow Monitor SDK sample from the ViewHost.cs file. For more information, see Workflow Monitor.

internal void Expand(bool expand)
{
    IDesignerHost host = GetService(typeof(IDesignerHost)) as IDesignerHost;
    if (host == null)
        return;

    this.SuspendLayout();

    CompositeActivity root = host.RootComponent as CompositeActivity;
    foreach (Activity activity in root.Activities)
    {
        CompositeActivityDesigner compositeActivityDesigner = host.GetDesigner((IComponent)activity) as CompositeActivityDesigner;
        if (compositeActivityDesigner != null)
        {
            compositeActivityDesigner.Expanded = expand;
        }
    }

    this.ResumeLayout(true);
}

Friend Sub Expand(ByVal expand As Boolean)
    Dim host As IDesignerHost = GetService(GetType(IDesignerHost))
    If host Is Nothing Then
        Return
    End If

    Me.SuspendLayout()

    Dim root As CompositeActivity = host.RootComponent
    Dim activity As Activity
    For Each activity In root.Activities
        Dim compositeActivityDesigner As CompositeActivityDesigner = host.GetDesigner(CType(activity, IComponent))
        If compositeActivityDesigner IsNot Nothing Then
            compositeActivityDesigner.Expanded = expand
        End If
    Next

    Me.ResumeLayout(True)
End Sub

Remarks

In combination with OnMouseDown and ExpandButtonRectangle, use Expanded to determine the proper action when a user clicks the expand or collapse button on the CompositeActivityDesigner.

Applies to

Jaa