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Asked: 2026-05-10T19:33:32+00:00

I am unsure if this is even possible, but I thought I would ask.

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I am unsure if this is even possible, but I thought I would ask. First off, for my purposes, I require this to work in the C# portion and not the XAML part. This is what I have and it works:

public partial class MyClass1 : Window {      public MyClass2 MyClass2Object { get; set; }       public MyClass1()      {           InitializeComponent();           MyClass2Object = new MyClass2();           Binding binding = new Binding();           binding.Source = MyClass2Object;           binding.Path = new PropertyPath('StringVar');           TextBoxFromXaml.SetBinding(TextBox.TextProperty, binding);      } } public class MyClass2 {      public string StringVar { get; set; }       public MyClass2()      {           StringVar = 'My String Here';      } }

And this will bind to my StringVar property exactly how I would like it to. However, my question comes with what if I have the literal string ‘MyClass2Object.StringVar’ when setting the binding source. I realize I can use the split function to separate ‘MyClass2Object’ and ‘StringVar’ from the longer string. I can then just replace the new PropertyPath line with the the second result from the split. However, how would I replace the binding.Source line according to the first result from the split. If this is possible, I would be able to pass a string like ‘MyClass2Object.StringVar’ and have the TextBox’s Text property bind to that property or if I pass a string like ‘AnotherClassObject.StringProperty’ and have the TextBox’s Text property bind to the StringProperty property of the object instantiated in the variable with name AnotherClassObject. I hope I am making sense.

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1 Answer

  1. It sounds like you want the PropertyPath to be ‘Property.Property’ which will work, but for the binding to work it needs a source object for the first Property. The two options that I’m aware of are DataContext or a Source.

    With your sample code the other alternative is:

    public partial class Window1 : Window {     public MyClass2 MyClass2Object { get; set; }     public Window1()     {         // use data context instead of source         DataContext = this;          InitializeComponent();          MyClass2Object = new MyClass2();         Binding binding = new Binding();         binding.Path = new PropertyPath('MyClass2Object.StringVar');         TextBoxFromXaml.SetBinding(TextBox.TextProperty, binding);     } }  public class MyClass2 {     public string StringVar { get; set; }     public MyClass2()     {         StringVar = 'My String Here';     } }
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