Code to disable hardware Back Button in Windows Phone 7

You can come across requirement when you need to disable hardware back button in Windows Phone 7.

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If you want to disable hardware back button on Page1 then you need to override OnBackKeyPress method on Page1.

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To disable you need to make CancelEventArgs value to cancel as given below,

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If you want you can display a message to user when users try to navigate from back button. For your reference to disable back button code is given below.


using System.Windows;
using Microsoft.Phone.Controls;

namespace PhoneApp1
{
public partial class SecondPage : PhoneApplicationPage
{
public SecondPage()
{
InitializeComponent();
}

protected override void OnBackKeyPress(System.ComponentModel.CancelEventArgs e)
{
//base.OnBackKeyPress(e);
MessageBox.Show("You can not use Hardware back button");

e.Cancel = true;
}

}
}

When run this code and try to navigate using back button, you will get a message and hardware back button will not work. You can have any other business requirement code in overridden OnBackKeyPress method as well. I hope this post is useful. Thanks for reading  Smile

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Published by

Dhananjay Kumar

Dhananjay Kumar is Developer Evangelist for Infragistics. He is a 8 times Microsoft MVP and well respected Developer Advocate in India.He is the author of 900+ Blog Posts, and can often be found speaking around India at conferences and hosting free workshops for programmers across the country. So far, he has hosted 60 free workshops on various topics like JavaScript, Angular, WCF, ASP.NET MVC, C#, Azure etc. Follow him on twitter @debug_mode for all the updates about his blog posts and workshops. You can send him email at debugmode [at] outlook [dot] com

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