36 lines
1.2 KiB
C#
36 lines
1.2 KiB
C#
using System;
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using System.Globalization;
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using System.Windows;
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using System.Windows.Data;
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namespace Szmedi.RvKits.Converters;
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public class InvertBooleanToVisibilityConverter : IValueConverter
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{
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/// <summary>
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/// 绑定的后台属性值，经过此转换器转换成前端的值
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/// </summary>
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/// <param name="value"></param>
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/// <param name="targetType"></param>
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/// <param name="parameter"></param>
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/// <param name="culture"></param>
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/// <returns></returns>
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public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
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{
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var isChecked = value as bool?;
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return isChecked is null or false ? (object)Visibility.Visible : Visibility.Collapsed;
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}
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/// <summary>
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/// 前端的值，经过此转换器转为后台属性值
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/// </summary>
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/// <param name="value"></param>
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/// <param name="targetType"></param>
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/// <param name="parameter"></param>
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/// <param name="culture"></param>
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/// <returns></returns>
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public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
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{
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throw new NotImplementedException();
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}
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} |