c#: Lambda expression is not a delegate type
I was changing some code from Silverlight to WPF and ran into this error:
Cannot convert lambda expression to type 'System.Windows.Threading.DispatcherPriority' because it is not a delegate type
The code was something like this
gui.BeginInvoke(()=>{Orders = new ObservableCollection<Order>(x);},null);
The problem is described in detail here:
The article suggests a couple of ways around this, but the best solution in my opinion is found in the comments:
Cast the lambda to an Action explicitly.
It's fast to do, easy and intuitive:
gui.BeginInvoke((Action)(()=>{Orders = new ObservableCollection<Order>(x);}),null);
This compiles and runs fine.
Happy holidays
/Henri
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