SaveWindow.xaml

<Window x:Class="WpfDemo.SaveWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="SaveWindow" Height="469" Width="333" ResizeMode="CanMinimize">
    <Grid Margin="10">
        <!-- File Name -->
        <Label Content="File Name:" VerticalAlignment="Top" HorizontalAlignment="Left" />
        <TextBox Name="txtFileName" VerticalAlignment="Top" HorizontalAlignment="Stretch" Margin="80,0,0,0" />

        <!-- File Type Selection -->
        <Label Content="Save Type:" VerticalAlignment="Top" HorizontalAlignment="Left" Margin="0,40,0,0" />
        <ComboBox Name="cbFileType" VerticalAlignment="Top" HorizontalAlignment="Stretch" Margin="80,40,0,0" SelectionChanged="cbFileType_SelectionChanged">
            <ComboBoxItem Content="JPEG" />
            <ComboBoxItem Content="PNG" />
            <ComboBoxItem Content="TIFF" />
            <ComboBoxItem Content="PDF" />
        </ComboBox>

        <!-- Options Group -->
        <GroupBox Header="Options" VerticalAlignment="Top" Margin="0,80,0,0" Height="260">
            <StackPanel Name="optionsPanel" Margin="10,0,10,0" Height="220">
                <!-- Dynamic options will be added here -->
            </StackPanel>
        </GroupBox>
        <Label Width="115" Height="36" Margin="90,360,90,0" Name="lbSave" VerticalAlignment="Top" MouseDown="lbSave_MouseDown" MouseEnter="lbSave_MouseEnter" MouseLeave="lbSave_MouseLeave">
            <!--<Label.Background>
                <ImageBrush ImageSource="/WpfDemo;component/Images/normal/save_now.png"/>
            </Label.Background>-->
        </Label>

    </Grid>
</Window>