Binding of TextBlock inside Custom Control to dependency property of the same Custom Control?

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I have a custom control with a TextBlock inside it: And this Custom control has a dependency property: public class CustControl : Control { static CustControl() { DefaultStyleKeyProperty. OverrideMetadata(typeof(CustControl), new FrameworkPropertyMetadata(typeof(CustControl))); } public readonly static DependencyProperty CustNoProperty = DependencyProperty. Register("CustNo", typeof(string), typeof(CustControl), new PropertyMetadata("")); public string CustNo { get { return (string)GetValue(CustNoProperty); } set { SetValue(CustNoProperty, value); } } } I want the value of "CustNo" property be transfered in "Text" property of TextBlock in each instance of the Custom Control.

But my: Text="{Binding Source=CustControl,Path=CustNo}" isn't working. Isn't working also with Path=CustNoProperty: Text="{Binding Source=CustControl,Path=CustNoProperty}" c# wpf data-binding xaml custom-controls link|improve this question asked Dec 6 '09 at 10:07rem1,96332058 98% accept rate.

Ps there's an excellent (if a little dated) dnrtv show on creating custom controls at dnrtv.com/default.aspx?showNum=72 – IanR Dec 6 '09 at 10:18 Yes it works. Thank you! – rem Dec 6 '09 at 10:30.

Try the answers to this SO question. I think you'll want the third example. Ie: {Binding Path=CustNo, RelativeSource={RelativeSource TemplatedParent}}.

Simeon, thank you. Your answer is all I need. I'm sorry that it's impossible to select several identical right answers, which were posted at the same time as both accepted.

– rem Dec 6 '09 at 10:33 Well mine answer was posted 2 minutes before Ian's, but you had to be there at the time to notice. No stress. Maybe next time... – Simeon Pilgrim Dec 6 '09 at 18:51.

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