In my experience it is easiest to create non-generic interface to generic classes. It also solves the problem when you need to cast to the base class without knowing the generic type. interface IFirstClass {…} abstract class FirstClass<T> : IFirstClass {…} abstract class SecondClass<T> where T : IFirstClass {…}
You might be able to achieve this in Silverlight by allowing cross-domain communication between the web server the hosts the Silverlight application and the remote WCF service. In that case you need to place a clientaccesspolicy.xml file at the root of the domain where the WCF service is hosted: <?xml version=”1.0″ encoding=”utf-8″?> <access-policy> <cross-domain-access> <policy> … Read more
WPF is based off of the desktop CLR which is the full version of the CLR. Silverlight is based on a much smaller and more compact CLR which provides a great experience but does not have the full breadth of CLR features. It also has a much smaller version of the BCL.
Or maybe strongly typed using linq, like this: public static T[] GetEnumValues<T>() { var type = typeof(T); if (!type.IsEnum) throw new ArgumentException(“Type ‘” + type.Name + “‘ is not an enum”); return ( from field in type.GetFields(BindingFlags.Public | BindingFlags.Static) where field.IsLiteral select (T)field.GetValue(null) ).ToArray(); } public static string[] GetEnumStrings<T>() { var type = typeof(T); if … Read more
This is the sort of issue that software architects run up against all the time. As per usual, there is no ideal solution. You need to select which compromise is most acceptable to your business. To summarise your problem, most of your image processing software is written in .NET. You’d like to run it client-side … Read more
Check out Event Bubbling — http://msdn.microsoft.com/en-us/library/aa719644%28vs.71%29.aspx Example: User Control public event EventHandler StatusUpdated; private void FunctionThatRaisesEvent() { //Null check makes sure the main page is attached to the event if (this.StatusUpdated != null) this.StatusUpdated(this, new EventArgs()); } Main Page/Form public void MyApp() { //USERCONTROL = your control with the StatusUpdated event this.USERCONTROL.StatusUpdated += new EventHandler(MyEventHandlerFunction_StatusUpdated); … Read more
The XAML designer applies inbuilt type converters that convert the string value “Button” to System.Type which is Button , which makes it seem like there is no practical difference. However one should practise to use the explicit Type specification using x:Type. Explicit Type specification is required is when we inherit Styles using BasedOn, there implicit … Read more
There is a good example of how to do this here by Pete Brown. Using that approach you can use the same classes in both the Silverlight client and in the WCF service without having to use the generated objects.
Use x:Static markup extension <ResoureDictionary … xmlns:local=”clr-namespace:Namespace.Where.Your.BaseThingy.Class.Is.Defined” > <Style BasedOn=”{x:Static local:BaseThingy.BaseStyle}” TargetType=”BaseThingy” /> </ResourceDictionary>
Unfortunately WebBrowser.Document is not available on WP7. But you can create and call a JavaScript function using InvokeScript. Have a look over here where I describe how. In short: you don’t use .Document and C# but create a piece of JavaScript instead. You then call eval with this script as parameter to invoke it. Like … Read more