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POmysterious runtime error in applying a template to wpf window
 

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  1. POmysterious runtime error in applying a template to wpf window
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    <p>i have a hard problem dealing with template. please help me.</p> <p><strong>App.xaml</strong></p> <pre><code>&lt;Application x:Class="WpfApplication1.App" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"&gt; //Note i didn't set a StartupURI in Application tag please. &lt;Application.Resources&gt; &lt;Style TargetType="Window" x:Key="myWindowStyle"&gt; &lt;Setter Property="Template"&gt; &lt;Setter.Value&gt; &lt;ControlTemplate&gt; &lt;Grid&gt; &lt;Rectangle Fill="gray" RadiusX="30" RadiusY="30"/&gt; &lt;ContentPresenter/&gt; &lt;/Grid&gt; &lt;/ControlTemplate&gt; &lt;/Setter.Value&gt; &lt;/Setter&gt; &lt;/Style&gt; &lt;/Application.Resources&gt; &lt;/Application&gt; </code></pre> <p><strong>App.xaml.cs</strong></p> <pre><code>using System; using System.Windows; namespace WpfApplication1 { public partial class App : Application { CMainWindow winMain; protected override void OnStartup(StartupEventArgs e) { base.OnStartup(e); winMain = new CMainWindow(); winMain.ShowDialog(); } } } </code></pre> <p><strong>CMainWindow.xaml</strong></p> <pre><code>&lt;Window x:Class="WpfApplication2.CMainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="MainWindow" Height="350" Width="525" Style="{StaticResource myWindowStyle}" Background="Red"&gt; &lt;/Window&gt; </code></pre> <p>=====================</p> <p><strong>question #1</strong></p> <p>when run this program, ide occure a runtime error : XmlParseException. so i add a line in app.xaml, it runs properly. that line is : StartupUri="CMainWindow.xaml".</p> <p>what is this? what relationship between template and startupuri? please tell me about this.</p> <p><strong>question #2</strong></p> <p>when i add control to CMainWindow, it didn't apeear even i set a in window's template.</p> <p>how can i add control properly in this situation?</p> <p>thanks.</p>
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