DeviceCenter/views/Login.xaml

<Window x:Class="DeviceCenter.Login"
        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"
        xmlns:fa5="http://schemas.fontawesome.com/icons/"
        xmlns:sys="clr-namespace:System;assembly=mscorlib"
        mc:Ignorable="d" WindowStyle="None"
        Title="设备中心登录" Height="236.5" Width="305.5" WindowStartupLocation="CenterScreen" Loaded="Window_Loaded">
    <Window.Resources>
        <Style x:Key="iconStyle" TargetType="fa5:SvgAwesome">
            <Setter Property="Foreground" Value="#409EFF" />
            <Setter Property="Width" Value="10"></Setter>
        </Style>
    </Window.Resources>
    <StackPanel Orientation="Vertical" VerticalAlignment="Center">
        <Label Content="设备中心登录" HorizontalAlignment="Center"></Label>
        <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Margin="0 10 0 0">
            <Label Content="服务器" Width="50" HorizontalContentAlignment="Right"></Label>
            <TextBox x:Name="tb_server_url" Width="180" VerticalContentAlignment="Center"></TextBox>
        </StackPanel>
        <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Margin="0 10 0 0">
            <Label Content="用户名" Width="50" HorizontalContentAlignment="Right"></Label>
            <TextBox x:Name="tb_username" Width="180" VerticalContentAlignment="Center"></TextBox>
        </StackPanel>
        <StackPanel Orientation="Horizontal" Margin="0 10 0 0" HorizontalAlignment="Center">
            <Label Content="密码" Width="50" HorizontalContentAlignment="Right"></Label>
            <PasswordBox x:Name="tb_passowrd" Width="180" VerticalContentAlignment="Center"></PasswordBox>
        </StackPanel>
        <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Margin="0 20 0 0" Name="btns">
            <Button Name="btn_login" Content="登录" Width="50" Height="25" Click="btn_login_Click"></Button>
            <Button Name="btn_quit" Content="退出" Width="50" Height="25" Margin="20 0 0 0" Click="btn_quit_Click"></Button>
        </StackPanel>
        <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Margin="0 10 0 0" Visibility="Collapsed" Name="loading">
            <fa5:SvgAwesome Icon="Solid_Spinner" VerticalAlignment="Center" HorizontalAlignment="Center" Spin="True" Width="10" Style="{DynamicResource iconStyle}"/>
            <Label Content="登录中"></Label>
        </StackPanel>
    </StackPanel>
</Window>