DC_Initlizer/ApiTest/SetConfigDlg.xaml

<Window
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:local="clr-namespace:ApiTest"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    Title="SetConfigDlg"
    Width="400"
    Height="100"
    WindowStartupLocation="CenterOwner"
    WindowStyle="ToolWindow"
    mc:Ignorable="d"
    x:Class="ApiTest.SetConfigDlg">
    <Grid Margin="5">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>
        <Grid HorizontalAlignment="Center">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="70" />
                <ColumnDefinition Width="100" />
                <ColumnDefinition Width="70" />
                <ColumnDefinition Width="100" />
            </Grid.ColumnDefinitions>
            <TextBlock HorizontalAlignment="Center" Text="key" />
            <TextBlock
                Grid.Column="2"
                HorizontalAlignment="Center"
                Text="val" />
            <TextBox x:Name="uxKey" Grid.Column="1" />
            <TextBox x:Name="uxVal" Grid.Column="3" />
        </Grid>
        <StackPanel
            Grid.Row="1"
            Margin="5"
            HorizontalAlignment="Center"
            Orientation="Horizontal">
            <Button
                HorizontalAlignment="Center"
                VerticalAlignment="Center"
                Click="OK_Click">
                <TextBlock Text="OK" />
            </Button>
            <Border Width="5" />
            <Button
                HorizontalAlignment="Center"
                VerticalAlignment="Center"
                Click="Cancel_Click">
                <TextBlock Text="Cancel" />
            </Button>
        </StackPanel>
    </Grid>
</Window>