Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Workflow.Activities/Designers/EventDrivenDesigner.cs

@@ -0,0 +1,71 @@
+namespace System.Workflow.Activities
+{
+    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.Drawing.Drawing2D;
+    using System.Workflow.ComponentModel;
+    using System.Workflow.ComponentModel.Design;
+    using System.Workflow.Activities.Common;
+
+    #region EventDrivenDesigner
+    [ActivityDesignerTheme(typeof(EventDrivenDesignerTheme))]
+    internal sealed class EventDrivenDesigner : SequenceDesigner
+    {
+        #region Properties and Methods
+        public override bool CanBeParentedTo(CompositeActivityDesigner parentActivityDesigner)
+        {
+            if (parentActivityDesigner == null)
+                throw new ArgumentNullException("parentActivity");
+
+            if (!(Type.GetType("System.Workflow.Activities.ListenActivity," + AssemblyRef.ActivitiesAssemblyRef).IsAssignableFrom(parentActivityDesigner.Activity.GetType())) &&
+                !(parentActivityDesigner.Activity is EventHandlersActivity) &&
+                !(Type.GetType("System.Workflow.Activities.StateActivity," + AssemblyRef.ActivitiesAssemblyRef).IsAssignableFrom(parentActivityDesigner.Activity.GetType())))
+                return false;
+
+            return base.CanBeParentedTo(parentActivityDesigner);
+        }
+
+        protected override void DoDefaultAction()
+        {
+            base.DoDefaultAction();
+            EnsureVisible();
+        }
+
+        public override bool CanExpandCollapse
+        {
+            get
+            {
+                if (ParentDesigner is System.Workflow.Activities.StateDesigner)
+                    return false;
+                return base.CanExpandCollapse;
+            }
+        }
+
+        #endregion
+    }
+    #endregion
+
+    #region EventDrivenDesignerTheme
+    internal sealed class EventDrivenDesignerTheme : CompositeDesignerTheme
+    {
+        public EventDrivenDesignerTheme(WorkflowTheme theme)
+            : base(theme)
+        {
+            this.ShowDropShadow = false;
+            this.ConnectorStartCap = LineAnchor.None;
+            this.ConnectorEndCap = LineAnchor.ArrowAnchor;
+            this.ForeColor = Color.FromArgb(0xFF, 0x80, 0x00, 0x00);
+            this.BorderColor = Color.FromArgb(0xFF, 0xE0, 0xE0, 0xE0);
+            this.BorderStyle = DashStyle.Dash;
+            this.BackColorStart = Color.FromArgb(0x00, 0x00, 0x00, 0x00);
+            this.BackColorEnd = Color.FromArgb(0x00, 0x00, 0x00, 0x00);
+        }
+    }
+    #endregion
+}