If you program a lot with C#, for example in Visual Studio, it happens again and again that you want

If you program a lot with C#, for example in Visual Studio, it happens again and again that you want
When programming in Visual Studio with C# (C-Shap), it can happen that you have to determine how often a substring
If you program using C# and store your data in an XML file, then it also happens very often that
UserControls are relatively practical due to their multiple usability. If you create more complex user controls in C#/XAML, e.g. with