32 lines
1.1 KiB
C#
32 lines
1.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Media;
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using System.Windows;
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namespace WGneu {
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class Utils {
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public static IEnumerable<T> FindVisualChilds<T>(DependencyObject depObj) where T : DependencyObject {
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if (depObj == null)
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yield return (T)Enumerable.Empty<T>();
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for (int i = 0; i < VisualTreeHelper.GetChildrenCount(depObj); i++) {
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DependencyObject ithChild = VisualTreeHelper.GetChild(depObj, i);
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if (ithChild == null)
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continue;
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if (ithChild is T t)
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yield return t;
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foreach (T childOfChild in FindVisualChilds<T>(ithChild))
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yield return childOfChild;
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}
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}
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public static int Modulo(string a, int b) {
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if (!a.All(char.IsDigit))
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throw new ArgumentException("First argument has to be a decimal string");
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return a.Select(ch => ch - '0').Aggregate((sum, n) => (sum * 10 + n) % b);
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}
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}
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}
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