104 lines
3.3 KiB
C#
104 lines
3.3 KiB
C#
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)]
|
|
[Obsolete("The System.Workflow.* types are deprecated. Instead, please use the new types from System.Activities.*")]
|
|
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;
|
|
}
|
|
}
|
|
}
|