Cannot convert anonymous method to delegate
WebCast the lambda expression to object: If you cannot use a delegate type, you can cast the lambda expression to object explicitly before passing it to the method. This tells the compiler to treat the lambda expression as an object. csharpobject obj = (object) (s => s.Length); SomeMethod(obj); By using one of these solutions, you should be able ... WebMay 2, 2008 · Cannot convert from 'anonymous method' to 'System.Delegate' I find this quite strange as an anonymous method will be generated as a delegate in MSIL and …
Cannot convert anonymous method to delegate
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WebIn case you have a situation where you don't have any control over the Comparer or the Sorter, here are two mini-classes which can convert between the two types (untested): private class GenericComparer : IComparer { IComparer _Comparer; public GenericComparer (IComparer comparer) { _Comparer = comparer; } public int Compare … WebSep 15, 2024 · This browser is no longer supported. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
WebSep 15, 2024 · Cannot convert anonymous method block to type 'type' because it is not a delegate type. This error occurs if you try to assign or otherwise convert an anonymous … WebNov 8, 2024 · Del d = obj.DoWork; This is called using a named method. Delegates constructed with a named method can encapsulate either a static method or an instance method. Named methods are the only way to instantiate a delegate in earlier versions of C#. However, in a situation where creating a new method is unwanted overhead, C# …
WebArray.sort (a, 0, m, delegate (int x, int y) { return y-x;}); I get compilation error: "Cannot convert anonymous method to type 'System.Collections.Generic.IComparer' because it is not a delegate type". I have solved the problem just by using Array.sort (a, 0, m); and doing all other stuff backwards. WebSep 15, 2024 · Cannot convert anonymous method block to delegate type 'delegate type' because some of the return types in the block are not implicitly convertible to the …
WebDec 20, 2010 · The simplest way to create a delegate from a method is to use the Func<..> and Action<...> generic delegates (Func for those methods that return something, Action for those that are void), like this: var myDelegate = new Func (MessageBox.Show); TryDo.Do (myDelegate, null) Share Improve this answer Follow
WebCast the lambda expression to object: If you cannot use a delegate type, you can cast the lambda expression to object explicitly before passing it to the method. This tells the … greener primary care pc oneWebDec 28, 2009 · Delegates, on the other hand, are meant to keep a reference to the method itself: Func aDelegate = this.FormatDateString; // Here, you're not calling the method, but saving the method in a delegate If you want to call this method, you invoke the delegate: s = aDelegate(s); // Calls the method pointed to by the delegate C# 2 … flug norwegian airWebApr 23, 2014 · Best would be to have the dictionary strongly typed, but if you assign the lambda to a specific lambda (delegate) first, it should work (because the compiler then knows the delegate format): Action inp = InProgress => base.InProgress = InProgress; dict.Add("InProgress", inp); Or by casting it directly, same effect flug new york nach new orleansWebAug 9, 2015 · The Invoke method expects a Delegate type instance, because you use a lambda expression it cannot automatically translate the expression into something like new Delegate() because Delegate has no public constructors. Using. this.Invoke(new Action(() => {this.UpdateUserList();})); Should solve the problem as Action is a subclass of Delegate. greener process systemsWebOct 15, 2012 · The first parameter of the Dispatcher.BeginInvoke method requires a System.Delegate. This is uncommon. Usually you would specify one of the Func or Action overloads. However, here it is possible to pass delegates with different signatures. Obviously anonymous delegates are not casted to System.Delegate implicitly. … flug new york nach san franciscoWebSep 15, 2024 · Cannot convert anonymous method block to delegate type 'delegate type' because the specified block's parameter types do not match the delegate parameter types ... the parameter types of the anonymous method do not match the delegate parameter types. Check the number of parameters, the parameter types, and any ref or … flug new york new orleansWebNov 22, 2024 · View.ApplyFilter ( delegate (object item) { return item.GetType ().GetProperty ("Code").GetValue (item).ToString () == textBox1.Text; } ); Unfortunately it does not work. I get compiler error: cannot convert anonymous method to type 'delegate' because it is not a delegate type I also tried the solution here no success. c# delegates … flug nice hannover