InputDialog.xaml

<Window x:Name="API_Key" x:Class="Wallpaper_Wizard.InputDialog"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Wallpaper Wizard API Key" SizeToContent="WidthAndHeight" WindowStartupLocation="CenterScreen">
    <Grid Margin="15">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition Width="*" />
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>

        <Label Name="lblQuestion" Grid.ColumnSpan="2" Margin="52,0,20,0">Enter your OpenWeatherMap API Key:</Label>
        <TextBox Name="txtAnswer" Grid.Row="1" MinWidth="250" Grid.ColumnSpan="2" Margin="52,0,20,0"></TextBox>

        <WrapPanel Grid.Row="2" Grid.ColumnSpan="2" HorizontalAlignment="Right" Margin="0,15,0,0">
            <Button IsDefault="True" Name="btnDialogOk" Click="btnDialogOk_Click" MinWidth="60" Margin="0,0,10,0">_Ok</Button>
            <Button IsCancel="True" MinWidth="60" Click="btnDialogClose_Click">_Cancel</Button>
        </WrapPanel>
    </Grid>
</Window>