blocks|key|1551945|text|我会这样做：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1551946|<Window.Resources>
++++++++<Style+TargetType="{x:Type+Control}"+x:Key="baseStyle">
++++++++++++<Setter+Property="FontSize"+Value="100"+/>
++++++++</Style>
++++++++<Style+TargetType="{x:Type+Button}"+BasedOn="{StaticResource+baseStyle}"></Style>
++++++++<Style+TargetType="{x:Type+Label}"+BasedOn="{StaticResource+baseStyle}"></Style>
++++++++<Style+TargetType="{x:Type+TextBox}"+BasedOn="{StaticResource+baseStyle}"></Style>
++++++++<Style+TargetType="{x:Type+ListView}"+BasedOn="{StaticResource+baseStyle}"></Style>
++++++++
++++</Window.Resources>|code-block|syntax|javascript|1551947|这样，如果我想要更改所有的控件，我只需要更改"baseStyle“样式，其余的就会继承它。(这就是BasedOn属性，如果在继承的样式中创建其他setter，也可以扩展基本样式)|1551948|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

<p>I'd do it this way:</p>

<pre><code>&lt;Window.Resources&gt;
        &lt;Style TargetType="{x:Type Control}" x:Key="baseStyle"&gt;
            &lt;Setter Property="FontSize" Value="100" /&gt;
        &lt;/Style&gt;
        &lt;Style TargetType="{x:Type Button}" BasedOn="{StaticResource baseStyle}"&gt;&lt;/Style&gt;
        &lt;Style TargetType="{x:Type Label}" BasedOn="{StaticResource baseStyle}"&gt;&lt;/Style&gt;
        &lt;Style TargetType="{x:Type TextBox}" BasedOn="{StaticResource baseStyle}"&gt;&lt;/Style&gt;
        &lt;Style TargetType="{x:Type ListView}" BasedOn="{StaticResource baseStyle}"&gt;&lt;/Style&gt;
        &lt;!-- ComboBox, RadioButton, CheckBox, etc... --&gt;
    &lt;/Window.Resources&gt;
</code></pre>

<p>That way, if I want to change ALL the controls, I'd just have to change the "baseStyle" style, the rest would just inherit from it. (That's what BasedOn property those, you can also extend the base style if you create other setters inside of the inherited style)</p>


blocks|key|1336429|text|FontSizeProperty是从父控件继承的。所以你只需要改变你的主窗口的FontSize。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1336430|如果你不需要动态行为，这应该是可行的：|1336431|将窗口样式添加到ResourceDictionary|1336432|<Style+TargetType="{x:Type+Window}">
+++++<Setter+Property="FontSize"+Value="15"+/>
</Style>|code-block|syntax|javascript|1336433|将样式应用于主窗体(将不会隐式应用，因为它是派生类型)|1336434|+Style+=+(Style)FindResource(typeof+(Window));|1336435|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|R|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|S|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|T|8|@]|9|@]|A|$I|J]]|$1|K|3|L|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|N|5|H|7|V|8|@]|9|@]|A|$I|J]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

<p>FontSizeProperty is inherited from Parent Control. So you just need to change FontSize of your main window.</p>

<p>If you don't need dynamic behaviour this should work:</p>

<p>Add a style for Window to your ResourceDictionary</p>

<pre><code>&lt;Style TargetType="{x:Type Window}"&gt;
     &lt;Setter Property="FontSize" Value="15" /&gt;
&lt;/Style&gt;
</code></pre>

<p>Apply the style to your main form (will not be applied implicit because its a derived type)</p>

<pre><code> Style = (Style)FindResource(typeof (Window));
</code></pre>


blocks|key|1336756|text|<Window>有一个属性FontSize。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1336757|因此，如果您想要更改该窗口中所有元素的字体大小，则可以在元素中设置所需的字体大小。|1336758|<Window+FontSize="12">

</Window>|code-block|syntax|javascript|1336759|entityMap^0|0|8|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|R|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|S|8|@]|D|@]|E|$K|L]]|$1|M|3|-4|5|6|7|T|8|@]|D|@]|E|$]]]|N|$]]

<p><code>&lt;Window&gt;</code> has a property FontSize.</p>

<p>So you can set desired fontsize in  element if you want to change the fontsize in all the elements within that window.</p>

<pre><code>&lt;Window FontSize="12"&gt;

&lt;/Window&gt;
</code></pre>


blocks|key|1336573|text|另一种选择是将FontFamily和FontSize定义为资源。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1336574|​|1336575|<FontFamily+x:Key="BaseFontFamily">Calibri</FontFamily>
<sys:Double+x:Key="BaseFontSize">12</sys:Double>|code-block|syntax|javascript|1336576|1336577|这样你就可以在你的setter中使用它们。|1336578|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|P|8|@]|9|@]|A|$G|H]]|$1|I|3|C|5|6|7|Q|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|R|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|M|$]]

<p>Another option is to define the FontFamily and FontSize as resources.</p>

<p></p>

<pre><code>&lt;FontFamily x:Key="BaseFontFamily"&gt;Calibri&lt;/FontFamily&gt;
&lt;sys:Double x:Key="BaseFontSize"&gt;12&lt;/sys:Double&gt;
</code></pre>

<p></p>

<p>That way you can use them in your setters.</p>

<p>
    
    
</p>

<p>
    
    
</p>


blocks|key|1336644|text|Application.Current.MainWindow.FontSize+=+_appBodyFontSize;|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1336645|这样，您还可以在运行时更改字体大小。|unstyled|1336646|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|J|8|@]|9|@]|A|$]]|$1|G|3|-4|5|F|7|K|8|@]|9|@]|A|$]]]|H|$]]

<pre><code>Application.Current.MainWindow.FontSize = _appBodyFontSize;
</code></pre>

<p>This way you can change the Font Size at run time also.</p>


blocks|key|1551842|text|对于WPF中的任何样式，都应该有一个单独的资源字典，其中包含应用程序的样式。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1551843|如果你想要一个可以在整个应用中重复使用的字体大小，那么只需为该字体大小创建一个样式即可。你可以给它一个唯一的名称/键来显式使用，或者你可以设置一个在整个应用程序中都可以使用的targetType。|1551844|显式密钥：|1551845|<Style
++++x:Key="MyFontSize"
++++TargetType="TextBlock">
++++<Setter
++++++++Property="FontSize"
++++++++Value="10"+/>
</Style>

<Control
++++Style="{StaticResource+MyFontSize}"+/>|code-block|syntax|javascript|1551846|*注意此样式可与具有contentPresenters的控件一起使用|1551847|对于应用程序中的所有文本块：|1551848|<Style
++++TargetType="TextBlock">
++++<Setter
++++++++Property="FontSize"
++++++++Value="10"+/>
</Style>

<TextBlock
++++++++Text="This+text+will+be+size+10"+/>|1551849|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|U|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|V|8|@]|9|@]|A|$I|J]]|$1|K|3|L|5|6|7|W|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|X|8|@]|9|@]|A|$]]|$1|O|3|P|5|H|7|Y|8|@]|9|@]|A|$I|J]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

<p>For any styles in WPF, you should have a separate resource dictionary that contains the styles for your app.</p>

<p>If you want to have a single Font Size that's reused throughout the app then just create a style for that font size.  You can either give it a unique name/key to use explicitly or you can set a targetType that will transcend throughout the app.</p>

<p>Explicit Key:</p>

<pre><code>&lt;Style
    x:Key="MyFontSize"
    TargetType="TextBlock"&gt;
    &lt;Setter
        Property="FontSize"
        Value="10" /&gt;
&lt;/Style&gt;

&lt;Control
    Style="{StaticResource MyFontSize}" /&gt;
</code></pre>

<p>*Note this style can be used with controls that have contentPresenters</p>

<p>For all textblocks in the app:</p>

<pre><code>&lt;Style
    TargetType="TextBlock"&gt;
    &lt;Setter
        Property="FontSize"
        Value="10" /&gt;
&lt;/Style&gt;

&lt;TextBlock
        Text="This text will be size 10" /&gt;
</code></pre>


blocks|key|1336696|text|TextElement.FontSize是一个继承属性，这意味着您可以简单地在根元素处设置字体大小，并且所有子元素都将使用该大小(只要您不手动更改它们)|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1336697|entityMap^0|0|K|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

<p><code>TextElement.FontSize</code> is an inherit property, which means you can simply set the font size at root element, and all the children elements will use that size (as long as you don't change them manually)</p>


blocks|key|1336512|text|如果您需要以编程方式更改全局FontSize，而不是静态的(XAML)，以一次性应用于所有窗口，您可以这样做：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1336513|TextElement.FontSizeProperty.OverrideMetadata(
++++++++++++typeof(TextElement),
++++++++++++new+FrameworkPropertyMetadata(16.0));

++++++++TextBlock.FontSizeProperty.OverrideMetadata(
++++++++++++typeof(TextBlock),
++++++++++++new+FrameworkPropertyMetadata(16.0));|code-block|syntax|javascript|1336514|此值适用于任何TextBlock、标签和几乎任何窗口中的任何文本，而它没有显式定义的FontSize。但这并不影响TextBox，您必须为它或任何其他特殊控件编写类似的代码。|1336515|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

<p>If you need to programmatically change global FontSize, not statically (XAML), to be applied once for all your windows, you can do:</p>

<pre><code>TextElement.FontSizeProperty.OverrideMetadata(
            typeof(TextElement),
            new FrameworkPropertyMetadata(16.0));

        TextBlock.FontSizeProperty.OverrideMetadata(
            typeof(TextBlock),
            new FrameworkPropertyMetadata(16.0));
</code></pre>

<p>This values are applied to any TextBlock, Labels and almost any text in any windows, whereas it has not a explicit FontSize defined. But this does not affect for TextBox, you have to write a similar code for it or any other special controls.</p>


blocks|key|1552405|text|要使用ctrl-鼠标轮动态地全局更改字体大小，请执行以下操作：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1552406|XAML：|1552407|<Window+Name="MainWindow"+...+PreviewMouseWheel="MainWindow_PreviewMouseWheel">|code-block|syntax|javascript|1552408|代码隐藏：|1552409|private+void+MainWindow_PreviewMouseWheel(object+sender,+MouseWheelEventArgs+e)
{
++++if+((Keyboard.Modifiers+&+ModifierKeys.Control)+!=+0)
++++{
++++++++if+(e.Delta+>+0)
++++++++++++%2B%2BmainCtrl.FontSize;
++++++++if+(e.Delta+<+0+&&+mainCtrl.FontSize+>+1)
+++++++++++++--mainCtrl.FontSize;
++++}
}|1552410|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|Q|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|R|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|S|8|@]|9|@]|A|$G|H]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

<p>To dynamically change the font size globally with ctrl-mousewheel: </p>

<p>XAML:</p>

<pre><code>&lt;Window Name="MainWindow" ... PreviewMouseWheel="MainWindow_PreviewMouseWheel"&gt;
</code></pre>

<p>code behind:</p>

<pre><code>private void MainWindow_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
{
    if ((Keyboard.Modifiers &amp; ModifierKeys.Control) != 0)
    {
        if (e.Delta &gt; 0)
            ++mainCtrl.FontSize;
        if (e.Delta &lt; 0 &amp;&amp; mainCtrl.FontSize &gt; 1)
             --mainCtrl.FontSize;
    }
}
</code></pre>


<p>I'm creating a WPF app and I would like to know the best way to be able to change the font size for every element in the ui. Do I create a resource dictionary and set Styles to set the font size for all the controls I use?</p>

<p>What is the best practice?</p>


WPF global font size

我正在创建一个WPF应用程序，我想知道最好的方式，能够改变每个元素的ui字体大小。是否创建资源字典并设置Styles来设置我使用的所有控件的字体大小？最佳实践是什么？

问WPF全局字体大小
EN

回答 9

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