pass value from child to parent window in wpf C#

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project starts with mainWindow i click on History Button which brings me to another window say History.xaml i do some operation there when i click on open button of history.xaml it must return to its previous window, and show changes to it.

Posted 17-Dec-11 23:43pm

Umairbaig

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Wendelius · Accepted Answer · 2011-12-17T23:57:00

What I'd actually suggest is that you get to know MVVM pattern. Using this pattern would greatly help you to separate UI and the logic behind.

See for example:
- http://msdn.microsoft.com/en-us/magazine/dd419663.aspx[^]
- MVVM Pattern in WPF: A Simple Tutorial for Absolute Beginners[^]
- WPF Twitter Client with Model-View-ViewModel Design Pattern Step by Step[^]