ActivityValidator.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Common / AuthoringOM / Compiler / Validation / ActivityValidator.cs / 1305376 / ActivityValidator.cs
                        

                        
                            namespace System.Workflow.ComponentModel.Compiler 
{
    using System;
 	using System.Reflection;
    using System.Workflow.ComponentModel.Design; 

    #region Class ActivityValidator 
    public class ActivityValidator : DependencyObjectValidator 
    {
        public override ValidationErrorCollection Validate(ValidationManager manager, object obj) 
        {
			if (manager == null)
				throw new ArgumentNullException("manager");
 
            Activity activity = obj as Activity;
            if (activity == null) 
                throw new ArgumentException(SR.GetString(SR.Error_UnexpectedArgumentType, typeof(Activity).FullName), "obj"); 

			if (manager.Context == null) 
 				throw new ArgumentException("manager", SR.GetString(SR.Error_MissingContextProperty));

            manager.Context.Push(activity);
 
            ValidationErrorCollection errors = new ValidationErrorCollection();
            errors.AddRange(base.Validate(manager, obj)); 
 
            if (activity.Parent == null)
            { 
                errors.AddRange(ValidationHelpers.ValidateUniqueIdentifiers(activity));

                if (activity.Enabled == false)
                { 
                    ValidationError error = new ValidationError(SR.GetString(SR.Error_RootIsNotEnabled), ErrorNumbers.Error_RootIsNotEnabled);
                    error.PropertyName = "Enabled"; 
                    errors.Add(error); 
                }
            } 

            // validate ID property, only if it is not root activity
            Activity rootActivity = Helpers.GetRootActivity(activity);
            if (activity != rootActivity) 
            {
                ValidationError identifierError = ValidationHelpers.ValidateNameProperty("Name", manager, activity.Name); 
                if (identifierError != null) 
                    errors.Add(identifierError);
            } 

            try
            {
                errors.AddRange(ValidateProperties(manager, obj)); 
            }
            finally 
            { 
                System.Diagnostics.Debug.Assert(manager.Context.Current == activity, "Unwinding contextStack: the item that is about to be popped is not the one we pushed.");
                manager.Context.Pop(); 
            }

            return errors;
        } 
    }
    #endregion 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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