Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Common / AuthoringOM / Suspend.cs / 1305376 / Suspend.cs
namespace System.Workflow.ComponentModel { #region Imports using System; using System.Text; using System.Reflection; using System.Collections; using System.CodeDom; using System.ComponentModel; using System.ComponentModel.Design; using System.Drawing; using System.Workflow.ComponentModel; using System.Workflow.ComponentModel.Design; using System.Collections.Generic; using System.Drawing.Design; using System.Workflow.ComponentModel.Compiler; using System.Workflow.Runtime; #endregion [SRDescription(SR.SuspendActivityDescription)] [ToolboxItem(typeof(ActivityToolboxItem))] [Designer(typeof(SuspendDesigner), typeof(IDesigner))] [ToolboxBitmap(typeof(SuspendActivity), "Resources.Suspend.png")] [ActivityValidator(typeof(SuspendValidator))] [SRCategory(SR.Standard)] public sealed class SuspendActivity : Activity { public static readonly DependencyProperty ErrorProperty = DependencyProperty.Register("Error", typeof(string), typeof(SuspendActivity)); #region Constructors public SuspendActivity() { } public SuspendActivity(string name) : base(name) { } #endregion protected internal override void Initialize(IServiceProvider provider) { if (this.Parent == null) throw new InvalidOperationException(SR.GetString(SR.Error_MustHaveParent)); base.Initialize(provider); } protected internal override sealed ActivityExecutionStatus Execute(ActivityExecutionContext executionContext) { executionContext.CloseActivity(); string suspendReason = this.Error; executionContext.SuspendWorkflowInstance(suspendReason); return ActivityExecutionStatus.Closed; } [Browsable(true)] [SRCategory(SR.Activity)] [SRDescription(SR.SuspendErrorMessageDescr)] [MergableProperty(false)] [DefaultValue((string)null)] public string Error { get { return base.GetValue(ErrorProperty) as string; } set { base.SetValue(ErrorProperty, value); } } } internal sealed class SuspendValidator : ActivityValidator { public override ValidationErrorCollection Validate(ValidationManager manager, object obj) { ValidationErrorCollection validationErrors = base.Validate(manager, obj); SuspendActivity suspend = obj as SuspendActivity; if (suspend == null) throw new ArgumentException(SR.GetString(SR.Error_UnexpectedArgumentType, typeof(SuspendActivity).FullName), "obj"); CompositeActivity parent = suspend.Parent; while (parent != null) { if (parent.SupportsTransaction) { validationErrors.Add(new ValidationError(SR.GetString(SR.Error_SuspendInAtomicScope), ErrorNumbers.Error_SuspendInAtomicScope)); break; } parent = parent.Parent; } return validationErrors; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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