demo

    <Window x:Class="BiometricAuthentication.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:BiometricAuthentication"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">

    <DockPanel>


        <StackPanel Orientation="Vertical" DockPanel.Dock="Top">
            <Image Height="50" Width="100" HorizontalAlignment="Left">
                <Image.Source>ncrlogo.jpg</Image.Source>
            </Image>
        </StackPanel>


        <TabControl  Margin="1">

        <TabItem  Header="Login" Background="LightGray">




    <StackPanel Orientation="Vertical" RenderTransformOrigin="0.5,0.5">
        <StackPanel.RenderTransform>
            <TransformGroup>
                <ScaleTransform/>
                <SkewTransform/>
                <RotateTransform Angle="0.012"/>
                <TranslateTransform/>
            </TransformGroup>
        </StackPanel.RenderTransform>


        <StackPanel Margin="10" Orientation="Horizontal">

                        <Button x:Name="CaptureButton" Background="LightGreen" Content="Capture Fingerprint" FontFamily="Bookman Old Style" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="10" Padding="10" Click="CaptureButton_Click"/>



                        <Button x:Name="CancelCaptureButton" Background="LightGreen" Content="Cancel Capture" FontFamily="Bookman Old Style" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="10" Padding="10" IsEnabled="False" Click="CancelCaptureButton_Click">
            </Button>

        </StackPanel>



                    <Label x:Name="FingerprintLabel" Content="" FontFamily="Bookman Old Style" HorizontalAlignment="Left" VerticalAlignment="Bottom" Margin="10"/>

            <Border Margin="10" x:Name="ImageBorder" BorderThickness="2" BorderBrush="White" HorizontalAlignment="Center"  VerticalAlignment="Bottom">
                <Image x:Name="FingerPrintImage"   Width="150" Height="150" Stretch="Fill"></Image>
            </Border>

                    <Button x:Name="Login" Background="LightGreen" FontFamily="Bookman Old Style" HorizontalAlignment="Center" Margin="10" Padding="10" Click="Login_Click">Login</Button>
        </StackPanel>
        </TabItem>


        <TabItem Header="Register" Background="LightGray">

            <StackPanel Orientation="Vertical">

                <StackPanel Orientation="Horizontal">
                        <Label Margin="10"  Content="Associate Id" FontFamily="Bookman Old Style" FontSize="15" FontStyle="Normal" Foreground="Green"/>
                    <TextBox x:Name="AssociateId" Margin="10" VerticalAlignment="Top" Width="100" ></TextBox>
                </StackPanel>



                <StackPanel Orientation="Horizontal">
                        <Label Margin="10" FontFamily="Bookman Old Style" FontSize="15" FontStyle="Normal" Foreground="Green">Finger Used</Label>
                        <ComboBox x:Name="Finger" Margin="10" Background="LightGreen">
                        <ComboBoxItem Content="thumb"></ComboBoxItem>
                        <ComboBoxItem Content="index finger"></ComboBoxItem>
                        <ComboBoxItem Content="middle finger"></ComboBoxItem>
                        <ComboBoxItem Content="ring finger"></ComboBoxItem>
                        <ComboBoxItem Content="little finger"></ComboBoxItem>

                    </ComboBox>
                </StackPanel>

                    <Button HorizontalAlignment="Center" x:Name="RegisterCapture" Margin="10"  Padding="10" FontFamily="Bookman Old Style"  Click="CaptureForRegister" Background="LightGreen">Capture Fingerprint</Button>

                    <Button HorizontalAlignment="Center" x:Name="RegisterCancelCapture" Margin="10" Padding="10" FontFamily="Bookman Old Style" IsEnabled="False" Click="CancelCaptureForRegister" Background="LightGreen">Cancel Capture</Button>

                <Border  Margin="10" x:Name="RegisterImageBorder" BorderThickness="2" BorderBrush="DarkGreen" HorizontalAlignment="Center"  VerticalAlignment="Bottom">
                    <Image x:Name="RegisterFingerPrintImage"   Width="150" Height="150" Stretch="Fill"></Image>
                </Border>

                    <Button HorizontalAlignment="Center" Margin="10" Padding="2" Click="Register_ClickAsync" FontFamily="Bookman Old Style" Background="LightGreen">Register</Button>



            </StackPanel>




        </TabItem>

         </TabControl>

    </DockPanel>



</Window>