Convert Celcius to Fahrenheit: Powershell Script

convert-celcius-to-fahrenheit.ps1

# Load WPF assemblies
Add-Type -AssemblyName PresentationFramework

# Define XAML code for the GUI
[xml]$xaml = @"
<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Celsius to Fahrenheit Converter" Height="250" Width="400">
    <Grid>
        <Label Content="Celsius:" HorizontalAlignment="Center" Margin="0,40,0,0" VerticalAlignment="Top" FontSize="16" FontWeight="SemiBold"/>
        <TextBox x:Name="CelsiusTextBox" HorizontalAlignment="Center" Height="30" Margin="0,75,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="150" FontSize="16">
            <TextBox.Style>
                <Style TargetType="TextBox">
                    <Style.Triggers>
                        <Trigger Property="IsMouseOver" Value="True">
                            <Setter Property="Background" Value="LightGray"/>
                        </Trigger>
                    </Style.Triggers>
                </Style>
            </TextBox.Style>
        </TextBox>
        <Button x:Name="ConvertButton" Content="Convert" HorizontalAlignment="Center" Margin="0,120,0,0" VerticalAlignment="Top" Width="120" Height="30" FontSize="16">
            <Button.Style>
                <Style TargetType="Button">
                    <Setter Property="Template">
                        <Setter.Value>
                            <ControlTemplate TargetType="Button">
                                <Border x:Name="border" CornerRadius="12" Background="{TemplateBinding Background}">
                                    <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
                                </Border>
                                <ControlTemplate.Triggers>
                                    <Trigger Property="IsMouseOver" Value="True">
                                        <Setter TargetName="border" Property="Background" Value="DarkGray"/>
                                    </Trigger>
                                </ControlTemplate.Triggers>
                            </ControlTemplate>
                        </Setter.Value>
                    </Setter>
                </Style>
            </Button.Style>
        </Button>
        <Label x:Name="ResultLabel" Content="" HorizontalAlignment="Center" Margin="0,170,0,0" VerticalAlignment="Top" FontSize="16" FontWeight="SemiBold"/>
    </Grid>
</Window>
"@

# Create GUI from XAML
$reader = New-Object System.Xml.XmlNodeReader($xaml)
$window = [Windows.Markup.XamlReader]::Load($reader)

# Get named elements from the XAML
$CelsiusTextBox = $window.FindName("CelsiusTextBox")
$ConvertButton = $window.FindName("ConvertButton")
$ResultLabel = $window.FindName("ResultLabel")

# Define conversion function
function Convert-CelsiusToFahrenheit($celsius) {
    return ($celsius * 9/5) + 32
}

# Define the conversion action
$action = {
    try {
        $celsius = [double]::Parse($CelsiusTextBox.Text)
        $fahrenheit = Convert-CelsiusToFahrenheit($celsius)
        $ResultLabel.Content = "{0} Celsius = {1} Fahrenheit" -f $celsius, $fahrenheit
    } catch {
        $ResultLabel.Content = "Invalid input. Please enter a valid number."
    }
}

# Define button click event handler
$ConvertButton.Add_Click($action)

# Add KeyDown event handler to the CelsiusTextBox
$CelsiusTextBox.Add_KeyDown({
if ($_.Key -eq [System.Windows.Input.Key]::Enter) {
& $action
}
})

$window.Add_Loaded({
$CelsiusTextBox.Focus()
})

$null = $window.ShowDialog()