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■ ScrollBar 엘리먼트 : 색상 스크롤하기

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TestProject.zip



MainWindow.xaml

 

 

<Window x:Class="TestProject.MainWindow"

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

    Width="800"

    Height="600"

    Title="ScrollBar 엘리먼트 : 색상 스크롤하기"

    FontFamily="나눔고딕코딩"

    FontSize="16">

    <Grid>

        <Grid Margin="10">

            <Grid.ColumnDefinitions>

                <ColumnDefinition Width="200" />

                <ColumnDefinition Width="Auto" />

                <ColumnDefinition Width="*"    />

            </Grid.ColumnDefinitions>

            <Grid Grid.Row="0" Grid.Column="0">

                <Grid.RowDefinitions>

                    <RowDefinition Height="Auto" />

                    <RowDefinition Height="*"    />

                    <RowDefinition Height="Auto" />

                </Grid.RowDefinitions>

                <Grid.ColumnDefinitions>

                    <ColumnDefinition Width="*" />

                    <ColumnDefinition Width="*" />

                    <ColumnDefinition Width="*" />

                </Grid.ColumnDefinitions>

                <Label Grid.Row="0" Grid.Column="0"

                    HorizontalAlignment="Center"

                    Margin="10"

                    Content="적색" />

                <ScrollBar Name="redScrollBar" Grid.Row="1" Grid.Column="0"

                    Margin="10"

                    Orientation="Vertical"

                    Focusable="True"

                    Minimum="0"

                    Maximum="255"

                    SmallChange="1"

                    LargeChange="16" />

                <TextBlock Name="redTextBlock" Grid.Row="2" Grid.Column="0"

                    HorizontalAlignment="Center"

                    Margin="10"

                    TextAlignment="Center" />

                <Label Grid.Row="0" Grid.Column="1"

                    HorizontalAlignment="Center"

                    Margin="10"

                    Content="녹색" />

                <ScrollBar Name="greenScrollBar" Grid.Row="1" Grid.Column="1"

                    Margin="10"

                    Orientation="Vertical"

                    Focusable="True"

                    Minimum="0"

                    Maximum="255"

                    SmallChange="1"

                    LargeChange="16" />

                <TextBlock Name="greenTextBlock" Grid.Row="2" Grid.Column="1"

                    HorizontalAlignment="Center"

                    Margin="10"

                    TextAlignment="Center" />

                <Label Grid.Row="0" Grid.Column="2"

                    HorizontalAlignment="Center"

                    Margin="10"

                    Content="청색" />

                <ScrollBar Name="blueScrollBar" Grid.Row="1" Grid.Column="2"

                    Margin="10"

                    Orientation="Vertical"

                    Focusable="True"

                    Minimum="0"

                    Maximum="255"

                    SmallChange="1"

                    LargeChange="16" />

                <TextBlock Name="blueTextBlock" Grid.Row="2" Grid.Column="3"

                    HorizontalAlignment="Center"

                    Margin="10"

                    TextAlignment="Center" />

            </Grid>

            <GridSplitter Grid.Row="0" Grid.Column="1"

                HorizontalAlignment="Center"

                VerticalAlignment="Stretch"

                Width="10" />

            <StackPanel Name="stackPanel" Grid.Row="0" Grid.Column="2"

                Background="{StaticResource {x:Static SystemColors.WindowBrushKey}}" />

        </Grid>

    </Grid>

</Window>

 

 

MainWindow.xaml.cs

 

 

using System.Windows;

using System.Windows.Controls;

using System.Windows.Controls.Primitives;

using System.Windows.Media;

 

namespace TestProject

{

    /// <summary>

    /// 메인 윈도우

    /// </summary>

    public partial class MainWindow : Window

    {

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

        ////////////////////////////////////////////////////////////////////////////////////////// Public

 

        #region 생성자 - MainWindow()

 

        /// <summary>

        /// 생성자

        /// </summary>

        public MainWindow()

        {

            InitializeComponent();

 

            Loaded                           += Window_Loaded;

            this.redScrollBar.ValueChanged   += colorScrollBar_ValueChanged;

            this.greenScrollBar.ValueChanged += colorScrollBar_ValueChanged;

            this.blueScrollBar.ValueChanged  += colorScrollBar_ValueChanged;

        }

 

        #endregion

 

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method

        ////////////////////////////////////////////////////////////////////////////////////////// Private

 

        #region 윈도우 로드시 처리하기 - Window_Loaded(sender, e)

 

        /// <summary>

        /// 윈도우 로드시 처리하기

        /// </summary>

        /// <param name="sender">이벤트 발생자</param>

        /// <param name="e">이벤트 인자</param>

        private void Window_Loaded(object sender, RoutedEventArgs e)

        {

            Color color = (this.stackPanel.Background as SolidColorBrush).Color;

 

            this.redScrollBar.Value   = color.R;

            this.greenScrollBar.Value = color.G;

            this.blueScrollBar.Value  = color.B;

 

            this.redScrollBar.Focus();

        }

 

        #endregion

        #region 색상 스크롤바 값 변경시 처리하기 - colorScrollBar_ValueChanged(sender, e)

 

        /// <summary>

        /// 색상 스크롤바 값 변경시 처리하기

        /// </summary>

        /// <param name="sender">이벤트 발생자</param>

        /// <param name="e">이벤트 인자</param>

        private void colorScrollBar_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)

        {

            ScrollBar scrollBar = sender as ScrollBar;

 

            Panel panel = scrollBar.Parent as Panel;

 

            TextBlock textBlock;

            

            if(scrollBar == this.redScrollBar)

            {

                textBlock = this.redTextBlock;

            }

            else if(scrollBar == this.greenScrollBar)

            {

                textBlock = this.greenTextBlock;

            }

            else

            {

                textBlock = this.blueTextBlock;

            }

 

            textBlock.Text = string.Format("{0}\n0x{0:X2}", (int)scrollBar.Value);

 

            this.stackPanel.Background = new SolidColorBrush

            (

                Color.FromRgb

                (

                    (byte)redScrollBar.Value,

                    (byte)greenScrollBar.Value,

                    (byte)blueScrollBar.Value

                )

            );

        }

 

        #endregion

    }

}

 

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Posted by 사용자 icodebroker
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