DeviceCenter/AskDate.xaml

<Window x:Class="DeviceCenter.AskDate"
        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:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:DeviceCenter"
        mc:Ignorable="d"
        Title="时间" Height="150" Width="300" ResizeMode="NoResize" WindowStartupLocation="CenterScreen">
    <Grid>
        <StackPanel Orientation="Vertical" HorizontalAlignment="Center">
            <StackPanel Orientation="Horizontal" Margin="0 10 0 0">
                <Label Content="开始时间"></Label>
                <TextBox Width="200" Name="tb_start" VerticalContentAlignment="Center"></TextBox>
            </StackPanel>
            <StackPanel Orientation="Horizontal" Margin="0 10 0 0">
                <Label Content="结束时间"></Label>
                <TextBox Width="200" Name="tb_end" VerticalContentAlignment="Center"></TextBox>
            </StackPanel>
            <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Margin="0 10 0 0">
                <Button Content="确定" Padding="10 5" Click="Button_Click"/>
            </StackPanel>
        </StackPanel>
        
    </Grid>
</Window>