在 C# 中更改 ContextMenu 字体大小
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Change ContextMenu Font Size in C#
提问by Ray Li
Is it possible to change the font size used in a ContextMenu using the .NET Framework 3.5 and C# for a desktop application? It seems it's a system-wide setting, but I would like to change it only within my application.
是否可以使用 .NET Framework 3.5 和 C# 为桌面应用程序更改 ContextMenu 中使用的字体大小？似乎这是一个系统范围的设置，但我只想在我的应用程序中更改它。
采纳答案by OwenP
If you are defining your own context menu via a ContextMenuStripin Windows Forms, use the Fontproperty.
如果您通过ContextMenuStripWindows 窗体中的a 定义自己的上下文菜单，请使用Font属性。
If you are defining your own context menu via a ContextMenuin WPF, use the various Fontxxxproperties such as FontFamilyand FontSize.
如果您通过ContextMenuWPF 中的a 定义自己的上下文菜单，请使用各种Fontxxx属性，例如FontFamily和FontSize。
You cannot change the default context menus that come with controls; those are determined by system settings. So if you want the "Copy/Cut/Paste/etc." menu with a custom font size for a WinForms TextBox, you'll have to create a ContextMenuStripwith the appropriate font size and assign it to the TextBox's ContextMenuStripproperty.
您无法更改控件附带的默认上下文菜单；这些是由系统设置决定的。因此，如果您想要“复制/剪切/粘贴/等”。具有自定义字体大小的 WinForms 菜单TextBox，您必须创建ContextMenuStrip具有适当字体大小TextBox的菜单并将其分配给的ContextMenuStrip属性。
回答by Hallgrim
You can change the font size of a System.Windows.Forms.ContextMenuStrip.
您可以更改 System.Windows.Forms.ContextMenuStrip 的字体大小。
If you need to change the font size of the default Cut/Copy/Paste context menu on text boxes I guess you need to set the ContextMenu property to a custom menu that replaces the default menu.
如果您需要更改文本框上默认剪切/复制/粘贴上下文菜单的字体大小，我猜您需要将 ContextMenu 属性设置为替换默认菜单的自定义菜单。
回答by Isak Savo
You mention .NET 3.5 - are you writing in WPF? If so, you can specify font size for the TextBlock.FontSize attached property
你提到 .NET 3.5 - 你是用 WPF 编写的吗？如果是这样，您可以为 TextBlock.FontSize 附加属性指定字体大小
<Whatever.ContextMenu TextBlock.FontSize="12">
<MenuItem ... /> <!-- Will get the font size from parent -->
</Whatever.ContextMenu>
Or, you could specify it in a style that affects all menu items
或者，您可以以影响所有菜单项的样式指定它
<Style TargetType="MenuItem">
<Setter Property="TextBlock.FontSize" Value="12" />
</Style>
Of course, it's always better to let the system setting determine the font size. Some people may have changed it to better fit their physical condition (like poor eye sight) or hardware (big/small screen). Whatever you force in your code will be the wrong choice for some people, while you give them no way to change it.
当然，让系统设置决定字体大小总是更好。有些人可能已经改变它以更好地适应他们的身体状况（如视力不佳）或硬件（大/小屏幕）。无论你在代码中强加什么，对某些人来说都是错误的选择，而你却没有办法改变它。
回答by Ben Straub
In WPF:
在 WPF 中：
<Window.ContextMenu FontSize="36">
<!-- ... -->
</Window.ContextMenu
In WinForms:
在 WinForms 中：
contextMenuStrip1.Font = new System.Drawing.Font("Segoe UI", 24F);
