Top "Xaml" questions

How do I get a TextBox to only accept numeric input in WPF?

I'm looking to accept digits and the decimal point, but no sign. I've looked at samples using the NumericUpDown control …

c# wpf xaml textbox numericupdown

How do I use WPF bindings with RelativeSource?

How do I use RelativeSource with WPF bindings and what are the different use-cases?

.net wpf xaml data-binding relativesource

How to get StackPanel's children to fill maximum space downward?

I simply want flowing text on the left, and a help box on the right. The help box should extend …

wpf xaml autolayout autoresize dockpanel

WPF: Setting the Width (and Height) as a Percentage Value

Say I want a TextBlock to have its Width equal to it's Parent container's Width (ie, stretch from side to …

wpf xaml resize

Difference between SelectedItem, SelectedValue and SelectedValuePath

What is the difference betweeen the following: SelectedItem SelectedValue SelectedValuePath All these dependency properties are defined in Selector class. I …

wpf silverlight xaml selecteditem selectedvalue

How to make overlay control above all other controls?

I need to make a control appear above all other controls, so it will partially overlay them.

wpf xaml controls overlay

The calling thread must be STA, because many UI components require this

I am using http://www.codeproject.com/KB/IP/Facebook_API.aspx I am trying to call the XAML which …

wpf xaml multithreading facebook

WPF checkbox binding

While it is trivial to store a checkbox's checked state in a variable using the checkbox's Click event, how would …

c# wpf xaml data-binding checkbox

How to bind an enum to a combobox control in WPF?

I am trying to find a simple example where the enums are shown as is. All examples I have seen …

c# .net wpf xaml data-binding

Handling the window closing event with WPF / MVVM Light Toolkit

I'd like to handle the Closing event (when a user clicks the upper right 'X' button) of my window in …

c# wpf xaml mvvm mvvm-light