InteropDesigner.xaml.cs source code in C# .NET

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                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx40 / Tools / System.Activities.Core.Presentation / System / Activities / Core / Presentation / InteropDesigner.xaml.cs / 1305376 / InteropDesigner.xaml.cs
                        
                        
                            //---------------------------------------------------------------- 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//---------------------------------------------------------------
namespace System.Activities.Core.Presentation
{ 
    using System.Activities.Statements;
    using System.ComponentModel; 
    using System.Activities.Presentation.PropertyEditing; 
    using System.Activities.Presentation;
    using System.Activities.Presentation.Metadata; 
    using System.Windows.Threading;
    using System.Activities.Presentation.View;
    using System.IO;
    using System.Runtime; 

    partial class InteropDesigner 
    { 
        static Func filter;
 
        public InteropDesigner()
        {
            this.InitializeComponent();
        } 

        public static Func Filter 
        { 
            get
            { 
                if (InteropDesigner.filter == null)
                {
                    // We will build tye Tyname for System.Workflow.ComponentModel.Activity
                    string typeName = typeof(Activity).AssemblyQualifiedName; 
                    typeName = typeName.Replace("System.Activities", "System.Workflow.ComponentModel");
 
                    Type activityType = null; 
                    try
                    { 
                        activityType = Type.GetType(typeName);
                    }
                    catch (System.Exception e)
                    { 
                        if (Fx.IsFatal(e))
                        { 
                            throw; 
                        }
 
                        activityType = null;
                    }

                    if (activityType != null) 
                    {
                        //Interop.Body has to be a 3.5 Activity 
                        InteropDesigner.filter = (type) => activityType.IsAssignableFrom(type); 
                    }
                } 
                return InteropDesigner.filter;
            }
        }
 
        protected override void OnModelItemChanged(object newItem)
        { 
            base.OnModelItemChanged(newItem); 
            this.ModelItem.PropertyChanged += new System.ComponentModel.PropertyChangedEventHandler(OnModelItemPropertyChanged);
        } 

        void OnModelItemPropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
        {
            if (e.PropertyName == "ActivityType") 
            {
                //Whenever ActivityType property changes, the activity will generate a new set of 
                // dynamic properties. the property browser will not pick up the changes till 
                // we select some other modelitem and then select this back.
                // modelItem.root is theone that will be always available. 

                this.Dispatcher.BeginInvoke(DispatcherPriority.SystemIdle, (Action)(() =>
                {
                    Selection.SelectOnly(this.Context, this.ModelItem.Root); 
                }));
                this.Dispatcher.BeginInvoke(DispatcherPriority.SystemIdle, (Action)(() => 
                { 
                    Selection.SelectOnly(this.Context, this.ModelItem);
                })); 

            }
        }
 
        public static void RegisterMetadataDelayed()
        { 
 
            WorkflowViewService.AddDelayedDesignerRegistration("System.Activities.Statements.Interop", () =>
            { 
                AttributeTableBuilder builder = new AttributeTableBuilder();
                string typeName = typeof(InteropDesigner).AssemblyQualifiedName;
                typeName = typeName.Replace("System.Activities.Core.Presentation.InteropDesigner", "System.Activities.Statements.Interop");
                typeName = typeName.Replace("System.Activities.Core.Presentation", "System.Workflow.Runtime"); 

                Type activityType; 
                try 
                {
                    activityType = Type.GetType(typeName); 
                }
                catch (System.Exception e)
                {
                    if (Fx.IsFatal(e)) 
                    {
                        throw; 
                    } 

                    activityType = null; 
                }

                //activityType will be null in ClientSKU since System.Workflow.Runtime.dll is not a part of clientSKU.
                if (activityType != null) 
                {
                    builder.AddCustomAttributes(activityType, new DesignerAttribute(typeof(InteropDesigner))); 
                    builder.AddCustomAttributes( 
                                activityType,
                                "ActivityType", 
                                new EditorOptionsAttribute { Name = TypePropertyEditor.BrowseTypeDirectly, Value = true });
                    builder.AddCustomAttributes(
                                activityType,
                                "ActivityType", 
                                new EditorOptionsAttribute { Name = TypePropertyEditor.Filter, Value = Filter });
                    builder.AddCustomAttributes( 
                                activityType, 
                                "ActivityType",
                                new RefreshPropertiesAttribute(RefreshProperties.All)); 
                    builder.AddCustomAttributes(activityType, new ActivityDesignerOptionsAttribute { AllowDrillIn = false });
                    MetadataStore.AddAttributeTable(builder.CreateTable());
                }
            }); 

        } 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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InteropDesigner.xaml.cs source code in C# .NET

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