Binding happens between a property of Source and a property of Target (has to be a DependencyProperty). e.g. The TextProperty of the TextBox class is DataBound to (say) UserName property of the view model. WPF binding offers four types of Binding. Remember, Binding runs on UI thread unless otherwise you specify it to run otherwise.

2012年5月15日 · From TemplateBinding Markup Extension, TemplateBinding links the value of a property in a control template to the value of some other exposed property on the templated control. Other words, it is for binding values in a template. Binding connects a property of binding targets and data sources.

2008年9月17日 · How do I use RelativeSource with WPF bindings and what are the different use-cases?

2014年2月3日 · IsChecked="{Binding ElementName=window1, Path=CheckBoxIsChecked}" /> For that to work you have to name your Window or UserControl in its openning tag, and use that name in the ElementName parameter.

The problem was caused by the way WPF checks for object equality. I was able to get my stuff to work by using the object ID property in the SelectedValue and SelectedValuePath properties.

2014年2月20日 · Can we concat two properties together in binding expression? If possible without converter or without writing two textblocks and setting them individually?

2015年9月7日 · ProtocolNumber="{Binding Path=Number, Mode=TwoWay}"/> => Do not set the DataContext in UserControl declarations, use RelativeSource or ElementName bindings instead.

2016年5月20日 · <TextBox Canvas.Top="{Binding ElementName=mySource, Path=myIntPlus24}"/> But this is pretty grim because in the future I might need to keep adding new properties for new constants.

2015年5月7日 · To quote MSDN Binding Sources Overview: For CLR properties, data binding works as long as the binding engine is able to access the binding source property using reflection. So the second binding (Path=models[aKey].samples) works because you have provided a true pathed location to reflect off of and bind to.

I am having some trouble binding in Image to my viewmodel. I finally got rid of the XamlParseException, but the image does not come up. I even hard coded the image in the ViewModel. Can someone see...