■ IValueConverter 인터페이스를 구현해 색상→단색 브러시 변환자를 사용하는 방법을 보여준다.
▶ 예제 코드 (C#)
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 |
using System; using System.Globalization; using System.Windows; using System.Windows.Data; using System.Windows.Media; /// <summary> /// 색상→단색 브러시 변환자 /// </summary> [ValueConversion(typeof(Color), typeof(Brush))] public class ColorToSolidColorBrushConverter : IValueConverter { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 변환하기 - Convert(sourceValue, targetType, parameter, cultureInfo) /// <summary> /// 변환하기 /// </summary> /// <param name="sourceValue">소스 값</param> /// <param name="targetType">타겟 타입</param> /// <param name="parameter">매개 변수</param> /// <param name="cultureInfo">문화 정보</param> /// <returns>변환 값</returns> public object Convert(object sourceValue, Type targetType, object parameter, CultureInfo cultureInfo) { if(targetType != typeof(Brush)) { return sourceValue; } if(sourceValue == null || sourceValue == DependencyProperty.UnsetValue || sourceValue.GetType() != typeof(Color)) { return Brushes.Transparent; } Color color = (Color)sourceValue; return new SolidColorBrush(color); } #endregion #region 역변환하기 - ConvertBack(sourceValue, targetType, parameter, cultureInfo) /// <summary> /// 역변환하기 /// </summary> /// <param name="sourceValue">소스 값</param> /// <param name="targetType">타겟 타입</param> /// <param name="parameter">매개 변수</param> /// <param name="cultureInfo">문화 정보</param> /// <returns>역변환 값</returns> public object ConvertBack(object sourceValue, Type targetType, object parameter, CultureInfo cultureInfo) { throw new NotImplementedException(); } #endregion } |