XAML for forms

gistfile1.txt

<Window x:Class="VMRC_Admin.MainWindow"
        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:VMRC_Admin"
        mc:Ignorable="d"
        Title="MainWindow" Height="280" Width="525">
    <GroupBox Header="Select vCenter and click Connect" HorizontalAlignment="Left" Height="100" Margin="10,5,0,0" VerticalAlignment="Top" Width="495">
        <Grid HorizontalAlignment="Left" Height="80" Margin="0,0,-2,-2" VerticalAlignment="Top" Width="485">
            <Button Content="Connect" HorizontalAlignment="Left" Margin="290,12,0,0" VerticalAlignment="Top" Width="54"/>
            <Button Content="Add" HorizontalAlignment="Left" Margin="413,17,0,0" VerticalAlignment="Top" Width="54" />
            <ComboBox HorizontalAlignment="Left" Margin="10,10,0,0" VerticalAlignment="Top" Width="270"/>
     <Button Content="Remove" HorizontalAlignment="Left" Margin="413,50,-3,0" VerticalAlignment="Top" Width="54"/>
        </Grid>
    </GroupBox>
</Window>