MainWindow.xaml

<Window x:Class="JobsScheduler.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:JobsScheduler"
        mc:Ignorable="d"
        Title="Home" Height="500" Width="1000">
    <Grid>
        <TextBlock
            Margin="5"
            FontWeight="Bold"
            FontSize="20"
            TextAlignment="Center"
            >Job Schedulers App</TextBlock>
        <TextBlock
            FontSize="15"
            TextDecorations="Underline"
            Margin="35,35,35,117"
            >Choose your prefered Scheduler:</TextBlock>
        <StackPanel Margin="51,64,135,101" RenderTransformOrigin="0.5,0.5">
            <StackPanel.RenderTransform>
                <TransformGroup>
                    <ScaleTransform/>
                    <SkewTransform/>
                    <RotateTransform Angle="0.109"/>
                    <TranslateTransform/>
                </TransformGroup>
            </StackPanel.RenderTransform>
            <ComboBox
                SelectionChanged="ComboBox_SelectionChanged"
                x:Name="Combo_Value"
                HorizontalAlignment="Left"
                Width="200"
                >
                <ComboBoxItem >FCFS</ComboBoxItem>
                <ComboBoxItem >SJF Preemptive</ComboBoxItem>
                <ComboBoxItem>SJF Non-Preemptive</ComboBoxItem>
                <ComboBoxItem>Priority Preemptive</ComboBoxItem>
                <ComboBoxItem>Priority Non-Preemptive</ComboBoxItem>
                <ComboBoxItem>Round Robin</ComboBoxItem>
            </ComboBox>
            <TextBlock
                TextDecorations="Underline"
                Margin="50"
                FontSize="15"
                >Please Enter number of Processes:</TextBlock>
            <TextBox
                Text="1"
                x:Name="ProcessesNo_Input"
                PreviewTextInput="ProcessesNo_Input_PreviewTextInput"
                InputScope="Number"
                Width="50"
                Height="30"
                HorizontalContentAlignment="Center"
                VerticalContentAlignment="Center"
                
                />
            <TextBlock
                Visibility="Visible"
                TextAlignment="Center"
                x:Name="errorMessage"
                FontStyle="Italic"
                Width="300"
                Height="24"
                Foreground="Red"
                ></TextBlock>
            <Button
                Click="Next_Button_Click"
                Cursor="Hand"
                Padding="3"
                BorderThickness="1.5"
                FontSize="15"
                Height="30"
                Width="150"
                Content="Next"
                />
        </StackPanel>
        <TextBlock
            Visibility="Hidden"
            x:Name="quantumBlock"
                TextAlignment="Center"
                Margin="98,338,597,78"
                TextDecorations="Underline"
                >Enter the quantum:</TextBlock>
        <TextBox Visibility="Hidden" x:Name="quantumValue" Width="50" Height="50" Margin="238,347,512,37" HorizontalContentAlignment="Center"
                VerticalContentAlignment="Center">

            1</TextBox>
    </Grid>
</Window>