74 lines
1.8 KiB
C#
74 lines
1.8 KiB
C#
//-----------------------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//-----------------------------------------------------------------------------
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namespace System.Activities.Statements
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{
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using System.Collections.Generic;
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using System.Activities;
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using System.ComponentModel;
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using System.Windows.Markup;
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[ContentProperty("Action")]
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public sealed class FlowStep : FlowNode
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{
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public FlowStep()
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{
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}
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[DefaultValue(null)]
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public Activity Action
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{
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get;
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set;
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}
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[DefaultValue(null)]
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[DependsOn("Action")]
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public FlowNode Next
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{
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get;
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set;
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}
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internal override void OnOpen(Flowchart owner, NativeActivityMetadata metadata)
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{
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}
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internal override void GetConnectedNodes(IList<FlowNode> connections)
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{
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if (Next != null)
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{
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connections.Add(Next);
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}
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}
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internal override Activity ChildActivity
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{
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get { return Action; }
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}
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internal bool Execute(NativeActivityContext context, CompletionCallback onCompleted, out FlowNode nextNode)
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{
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if (Next == null)
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{
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if (TD.FlowchartNextNullIsEnabled())
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{
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TD.FlowchartNextNull(this.Owner.DisplayName);
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}
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}
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if (Action == null)
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{
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nextNode = Next;
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return true;
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}
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else
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{
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context.ScheduleActivity(Action, onCompleted);
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nextNode = null;
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return false;
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}
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}
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}
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}
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