How to create Child Window in WPF

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By  Dhananjay Kumar   On  05 Sep 2010 10:09:05
Tag : WPF , Applications
In this article, i will demonstrate how to create child Window in WPF
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Let us assume there is a requirement,

1.    On click event of button, a new child window should open.
2.    While child window is open, the parent window should be inactive.

So start with

Step 1

Create a WPF application.  And drag and drop a Button on the MainPage 

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Step 2

Right click on the WPF project and new item and select a WPF Window from WPF tab.  Rename window to ChildWindow.xaml 

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Step 3

Now on the click event of button child window will get open. 

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On the button click event

1.    An instance of Child window is being created
2.    Then ShowDialog() method is being called to open the child window .


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfApplication2
{/// <summary>/// Interaction logic for MainWindow.xaml/// </summary>public partial class MainWindow : Window
    {public MainWindow()
            BtnNewWindow.Click += new RoutedEventHandler(delegate(object sender, RoutedEventArgs e)
                                                              ChildWindow chldWindow = new ChildWindow();


 So on running on the click of button new child window being open. 

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that's all, hope this help.

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About Author
Dhananjay Kumar
Occupation-Software Engineer
Company-Infosys Technolgies,Pune
Member Type-Gold
Joined date-20 Jul 2009
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Dhananjay Kumar is Microsoft MVP on connected system. He blogs at . You can follow him and reach him at
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