MainWindow.xaml

<Window x:Class="Encryptie_Tools.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:Encryptie_Tools"
        mc:Ignorable="d"
        Title="Encryption Tool" ResizeMode="CanMinimize" SizeToContent="WidthAndHeight" FontSize="18">
    <DockPanel Height="260" Width="500">
        <Menu DockPanel.Dock="Top" Height="24" FontStyle="Italic">
            <MenuItem Name="MenuKeyStorage" Header="Choose Key Location" Click="MenuKeyStorage_Click" Height="24"/>
            <MenuItem Header="Open AES Window" Click="MenuItemAES_Click"/>
            <MenuItem Header="Open RSA Window" Click="MenuItemRSA_Click"/>
        </Menu>
        <StackPanel VerticalAlignment="Center" Height="220">
            <GroupBox Header="Key name" Margin="10 0">
                <StackPanel>
                    <TextBox Name="TxtSleutel" Margin="10"/>
                    <StackPanel HorizontalAlignment="Center">
                        <Button Name="BtnGenereerAES" Content="Generate AES Key" Click="BtnGenereerAES_Click" Width="260" Height="40" Margin="20"/>
                        <Button Name="BtnGenereerRSA" Content="Generate RSA Key" Click="BtnGenereerRSA_Click" Width="260" Height="40" Margin="0 0 0 20"/>
                    </StackPanel>
                </StackPanel>
            </GroupBox>
        </StackPanel>
    </DockPanel>
</Window>