如何使用样式(混音)更改 MahApps.Metro 对话框内容 [英] How to change MahApps.Metro dialog content using styles (remix)

问题描述

这个问题的一个版本已经被问到这里.

sA version of this question has already been asked here.

我认为答案清晰简洁，但我不太明白，而且我认为我不应该开始大量的评论试图弄明白(正如张贴出来的那样是正确的礼仪这里)

I think the answer is clear and concise, but I don't quite understand it, and I didn't think I should start a massive chain of comments trying to figure it out(as posted out is proper etiquette here)

我想在我的 MahApps.Metro 对话框中添加一个额外的按钮.我需要一个浏览按钮，以便用户可以输入目录.这个答案显示了如何做到这一点，但我不太明白，因为我对 C# 和 WPF 还很陌生.

I'd like to add an extra button in my MahApps.Metro Dialog. I need a Browse button so that a user can input a directory. This answer shows how to do that, but I don't quite understand since I'm fairly new to C# and WPF.

我不明白的是我应该在我的 xaml 文件中的哪个位置放置 部分.

What I don't understand is exactly where in my xaml file I should be placing the <Style></Style> section.

如果我猜测它可以在我的 <Grid></Grid> 之外的任何地方使用是正确的，那么我会收到我不明白的错误.

If I'm correct in guessing that it can go anywhere outside of my <Grid></Grid> then I'm getting errors that I don't understand.

我当前的代码 .xaml 文件.

My current code .xaml file.

<Controls:MetroWindow x:Class="testApp.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:Controls="clr-namespace:MahApps.Metro.Controls;assembly=MahApps.Metro"
    xmlns:Dialogs="clr-namespace:MahApps.Metro.Controls.Dialogs"              
    Title="testApp" Height="auto" Width="auto"
    EnableDWMDropShadow="True"
    ResizeMode="CanResizeWithGrip"
    WindowTransitionsEnabled="False"
    WindowStartupLocation="CenterScreen" Loaded="OnLoaded">


  <Grid>
  <!--some content -->
  </Grid>


</Controls:MetroWindow>

如果我在 Grid 部分上方插入 Style 部分，我会收到一个错误 未定义命名空间Dialog"

If I insert the Style section above the Grid section I get an error The namespace "Dialog" is not defined

我认为 xmlns xmlns:Dialogs="clr-namespace:MahApps.Metro.Controls.Dialogs" 应该添加对话框吗?

I thought the xmlns xmlns:Dialogs="clr-namespace:MahApps.Metro.Controls.Dialogs"should have added the Dialogs?

一旦我能够获得样式集，我想我只需添加上一个答案中的以下代码(使用我想要的按钮).

Once I'm able to get the style set, I imagine I just add the below code from the previous answer (with the buttons I'd like).

<Dialogs:CustomDialog x:Key="CustomDialogTest"
                    Style="{StaticResource NewCustomDialogStyle}"
                    Title="This dialog allows arbitrary content. It will close in 5 seconds."
                    x:Name="CustomTestDialog">
    <StackPanel>
        <TextBlock Height="30"
                Text="This dialog allows arbitrary content. You have to close it yourself by clicking the close button below."
                TextWrapping="Wrap"
                Foreground="{DynamicResource AccentColorBrush}" />
        <Button Content="Close Me!" />
    </StackPanel>
</Dialogs:CustomDialog>

我不明白什么?提前致谢

What am I not understanding? Thanks in advance

注意

我没有添加我的 .cs 代码 b/c 我在实际显示标准异步对话框时没有问题.

I didn't add my .cs code b/c I'm having no problem actually getting the standard async dialog showing.

推荐答案

原来我试图正确地做到这一点，但我遇到了一个解释的问题 这里(Wouter 的回答).

It turns out I was trying to do this correctly, but I was running into a problem explained here (The answer by Wouter).

原来我必须指定程序集，所以

It turns out I had to specify the assembly, so

    xmlns:Dialogs="clr-namespace:MahApps.Metro.Controls.Dialogs"

应该

    xmlns:Dialogs="clr-namespace:MahApps.Metro.Controls.Dialogs;assembly=MahApps.Metro"              

这消除了我在样式中的错误.

That cleared up my errors in the Style.

所以最后，我必须设置的样式是:

So in the end, what I had to set the style was:

<Control.Resources>
    <Style TargetType="{x:Type Dialogs:BaseMetroDialog}">

    </Style>

</Control.Resources>

与

    xmlns:Dialogs="clr-namespace:MahApps.Metro.Controls.Dialogs;assembly=MahApps.Metro"              

在顶部.

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