MainWindow.xaml

<Window x:Class="WMR_USB_Controller.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:WMR_USB_Controller"
        mc:Ignorable="d"
        Title="WMR USB Controller"
        Height="512"
        Width="512"
        Icon="WMR USB Controller Main Icon.ico">
    <Grid>
        <TabControl>
            <TabItem Header="WMR status" FontSize="24">
                <TabItem.Content>
                    <StackPanel Background="#FF5B5B5B">
                        <ToggleButton Name="WmrStatusToggle" Content="Disable WMR device" FontSize="24" Width="256" Height="124" Margin="25" Checked="DisableWmrDeviceAction"
                                      Unchecked="EnableWmrDeviceAction" HorizontalAlignment="Center" />
                        <Button FontSize="24" Width="256" Height="124" Margin="0, 0, 0, 25" Click="StartWMR" ClickMode="Press" HorizontalAlignment="Center">
                            <TextBlock TextWrapping="Wrap" TextAlignment="Center">Start WMR with specified screen resolution</TextBlock>
                        </Button>
                        <CheckBox Name="VirtualScreensCheckbox" Content="Disable virtual screens" FontSize="14" Margin="10" HorizontalAlignment="Center" Checked="DisableVirtualScreens" Unchecked="EnableVirtualScreens">
                            <CheckBox.LayoutTransform>
                                <ScaleTransform ScaleX="2" ScaleY="2" />
                            </CheckBox.LayoutTransform>
                        </CheckBox>
                        <CheckBox Name="AutostartCheckbox" Click="SwitchAutostartStatus" Content="Add to autostart" FontSize="14" Margin="10" HorizontalAlignment="Center">
                            <CheckBox.LayoutTransform>
                                <ScaleTransform ScaleX="2" ScaleY="2" />
                            </CheckBox.LayoutTransform>
                        </CheckBox>
                    </StackPanel>
                </TabItem.Content>
            </TabItem>

            <TabItem Header="WMR sleep mode" FontSize="24">
                <TabItem.Content>
                    <StackPanel Background="#FF5B5B5B">
                        <Label Content="Current sleep delay in minutes" Margin="0, 15, 0 , 5" HorizontalAlignment="Center"></Label>
                        <Label Name="SleepDelayValue" HorizontalAlignment="Center"></Label>
                        <Label Content="Set new sleep delay value in minutes" Margin="0, 10, 0 , 5" HorizontalAlignment="Center"></Label>
                        <TextBox Name="SleepDelayInputField" Width="300" Height="35" KeyUp="TrySetNewSleepDelayValue" PreviewTextInput="NumberValidationTextBox" HorizontalAlignment="Center"></TextBox>
                        
                        <Label Content="Status of screensaver mode" Margin="0, 15, 0 ,5" HorizontalAlignment="Center"></Label>
                        <Label Name="ScreensaverModeStatus" HorizontalAlignment="Center"></Label>
                        <CheckBox Name="ScreensaverModeStatusCheckbox" Checked="EnableScreensaverMode" Unchecked="DisableScreensaverMode" Content="Enable screensaver mode" FontSize="14" HorizontalAlignment="Center">
                            <CheckBox.LayoutTransform>
                                <ScaleTransform ScaleX="2" ScaleY="2" />
                            </CheckBox.LayoutTransform>
                        </CheckBox>
                        
                        <Button Content="Reset sleep mode changes" Width="300" Height="50" Margin="25" Click="ResetSleepModeValues"></Button>
                    </StackPanel>
                </TabItem.Content>
            </TabItem>
        </TabControl>
    </Grid>
</Window>