private bool Logic_ProvideValue(ObjectWriterContext ctx)
 {
     MarkupExtension currentInstance = (MarkupExtension) ctx.CurrentInstance;
     object parentInstance = ctx.ParentInstance;
     XamlMember parentProperty = ctx.ParentProperty;
     if ((parentProperty != null) && !parentProperty.IsUnknown)
     {
         XamlType declaringType = null;
         if (parentProperty.IsAttachable)
         {
             declaringType = parentProperty.DeclaringType;
         }
         else
         {
             declaringType = ctx.ParentType;
         }
         if ((declaringType != null) && (declaringType.SetMarkupExtensionHandler != null))
         {
             XamlSetMarkupExtensionEventArgs e = new XamlSetMarkupExtensionEventArgs(parentProperty, currentInstance, ctx.ServiceProviderContext, parentInstance) {
                 CurrentType = declaringType
             };
             declaringType.SetMarkupExtensionHandler(parentInstance, e);
             if (e.Handled)
             {
                 return true;
             }
         }
     }
     object obj4 = currentInstance;
     if ((ctx.LiveDepth != 1) || !this._skipProvideValueOnRoot)
     {
         obj4 = this.Runtime.CallProvideValue(currentInstance, ctx.ServiceProviderContext);
     }
     if (ctx.ParentProperty != null)
     {
         if (obj4 != null)
         {
             if (!(obj4 is NameFixupToken))
             {
                 ctx.CurrentType = this.GetXamlType(obj4.GetType());
             }
         }
         else if (ctx.ParentProperty == XamlLanguage.Items)
         {
             ctx.CurrentType = ctx.ParentType.ItemType;
         }
         else
         {
             ctx.CurrentType = ctx.ParentProperty.Type;
         }
         ctx.CurrentInstance = obj4;
     }
     else
     {
         ctx.CurrentInstance = obj4;
     }
     return false;
 }
예제 #2
0
파일: Condition.cs 프로젝트: JianwenSun/cc
        public static void ReceiveMarkupExtension(object targetObject, XamlSetMarkupExtensionEventArgs eventArgs)
        {
            if (targetObject == null)
            {
                throw new ArgumentNullException("targetObject");
            }
            if (eventArgs == null)
            {
                throw new ArgumentNullException("eventArgs");
            }

            Condition condition = targetObject as Condition;
            if (condition != null && eventArgs.Member.Name == "Binding" && eventArgs.MarkupExtension is BindingBase)
            {
                condition.Binding = eventArgs.MarkupExtension as BindingBase;

                eventArgs.Handled = true;
            }
        }
예제 #3
0
        public static void ReceiveMarkupExtension(object targetObject, XamlSetMarkupExtensionEventArgs eventArgs)
        {
            if (targetObject == null)
            {
                throw new ArgumentNullException("targetObject");
            }
            if (eventArgs == null)
            {
                throw new ArgumentNullException("eventArgs");
            }

            Setter setter = targetObject as Setter;

            if (setter == null || eventArgs.Member.Name != "Value")
            {
                return;
            }

            MarkupExtension me = eventArgs.MarkupExtension;

            if (me is StaticResourceExtension)
            {
                var sr = me as StaticResourceExtension;
                setter.Value = sr.ProvideValueInternal(eventArgs.ServiceProvider, true /*allowDeferedReference*/);
                eventArgs.Handled = true;
            }
            else if (me is DynamicResourceExtension || me is BindingBase)
            {
                setter.Value = me;
                eventArgs.Handled = true;
            }
        }
예제 #4
0
			// must be static
			public void HandleMarkupExtension (object o, XamlSetMarkupExtensionEventArgs a)
			{
			}
예제 #5
0
        public static void ReceiveMarkupExtension(object targetObject, XamlSetMarkupExtensionEventArgs eventArgs)
        {
            if (targetObject == null)
            {
                throw new ArgumentNullException("targetObject");
            }
            if (eventArgs == null)
            {
                throw new ArgumentNullException("eventArgs");
            }

            DataTrigger trigger = targetObject as DataTrigger;
            if (trigger != null && eventArgs.Member.Name == "Binding" && eventArgs.MarkupExtension is BindingBase)
            {
                trigger.Binding = eventArgs.MarkupExtension as BindingBase;

                eventArgs.Handled = true;
            }
            else
            {
                eventArgs.CallBase();
            }
        }