■ GridControl 클래스에서 조건부 스타일을 적용하는 방법을 보여준다.
▶ IntegerToLinearGradientBrushValueConverter.cs
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using System; using System.Globalization; using System.Windows.Data; using System.Windows.Media; namespace TestProject { /// <summary> /// 정수→선형 그라디언트 브러시 값 변환자 /// </summary> public class IntegerToLinearGradientBrushValueConverter : IValueConverter { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - IntegerToLinearGradientBrushValueConverter() /// <summary> /// 생성자 /// </summary> public IntegerToLinearGradientBrushValueConverter() { } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 변환하기 - Convert(value, targetType, parameter, cultureInfo) /// <summary> /// 변환하기 /// </summary> /// <param name="value">값</param> /// <param name="targetType">타겟 타입</param> /// <param name="parameter">매개 변수</param> /// <param name="cultureInfo">CultureInfo 객체</param> /// <returns>변환 값</returns> public object Convert(object value, Type targetType, object parameter, CultureInfo cultureInfo) { if(value == null) { return Brushes.Transparent; } if(value.GetType() != typeof(int)) { return Brushes.Transparent; } if(value == null || (int)value >= 20) { return Brushes.White; } return new LinearGradientBrush(Color.FromArgb(100, 255, 0, 0), Color.FromArgb(0, 255, 0, 0), 0); } #endregion #region 역변환하기 - ConvertBack(value, targetType, parameter, cultureInfo) /// <summary> /// 역변환하기 /// </summary> /// <param name="value">값</param> /// <param name="targetType">타겟 타입</param> /// <param name="parameter">매개 변수</param> /// <param name="cultureInfo">CultureInfo 객체</param> /// <returns>역변환 값</returns> public object ConvertBack(object value, Type targetType, object parameter, CultureInfo cultureInfo) { throw new NotImplementedException(); } #endregion } } |
▶ MainWindow.xaml
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<Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:dxg="http://schemas.devexpress.com/winfx/2008/xaml/grid" xmlns:dxgt="http://schemas.devexpress.com/winfx/2008/xaml/grid/themekeys" xmlns:local="clr-namespace:TestProject" Width="800" Height="600" Title="GridControl 클래스 : 조건부 스타일 적용하기" FontFamily="나눔고딕코딩" FontSize="16"> <Grid> <Grid.Resources> <local:IntegerToLinearGradientBrushValueConverter x:Key="IntegerToLinearGradientBrushValueConverterKey" /> <Style x:Key="CellStyleKey" BasedOn="{StaticResource {dxgt:GridRowThemeKey ResourceKey=CellStyle}}" TargetType="dxg:CellContentPresenter"> <Setter Property="Background" Value="{Binding Path=RowData.Row.OrderUnit, Converter={StaticResource IntegerToLinearGradientBrushValueConverterKey}}" /> </Style> </Grid.Resources> <dxg:GridControl x:Name="gridControl"> <dxg:GridControl.Columns> <dxg:GridColumn FieldName="ProductName" Header="Product" CellStyle="{StaticResource CellStyleKey}" /> <dxg:GridColumn FieldName="UnitPrice" Header="Unit Price" /> <dxg:GridColumn FieldName="OrderUnit" Header="Units On Order" /> </dxg:GridControl.Columns> <dxg:GridControl.View> <dxg:TableView /> </dxg:GridControl.View> </dxg:GridControl> </Grid> </Window> |
▶ MainWindow.xaml.cs
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using System.Windows; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); this.gridControl.ItemsSource = new ProductList().GetData(); } #endregion } } |
