Projektdateien hinzufügen.

VideoBrowser/Converters/MultiplyConverter.cs

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+namespace VideoBrowser.Converters
+{
+    using System;
+    using System.Globalization;
+    using System.Windows.Data;
+
+    /// <summary>
+    /// Defines the <see cref="MultiplyConverter" />.
+    /// </summary>
+    public class MultiplyConverter : IMultiValueConverter
+    {
+        #region Methods
+
+        /// <summary>
+        /// The Convert.
+        /// </summary>
+        /// <param name="values">The values<see cref="object[]"/>.</param>
+        /// <param name="targetType">The targetType<see cref="Type"/>.</param>
+        /// <param name="parameter">The parameter<see cref="object"/>.</param>
+        /// <param name="culture">The culture<see cref="CultureInfo"/>.</param>
+        /// <returns>The <see cref="object"/>.</returns>
+        public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
+        {
+            var result = 1.0;
+            for (var i = 0; i < values.Length; i++)
+            {
+                if (values[i] is double)
+                {
+                    result *= (double)values[i];
+                }
+            }
+
+            return result;
+        }
+
+        /// <summary>
+        /// The ConvertBack.
+        /// </summary>
+        /// <param name="value">The value<see cref="object"/>.</param>
+        /// <param name="targetTypes">The targetTypes<see cref="Type[]"/>.</param>
+        /// <param name="parameter">The parameter<see cref="object"/>.</param>
+        /// <param name="culture">The culture<see cref="CultureInfo"/>.</param>
+        /// <returns>The <see cref="object[]"/>.</returns>
+        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
+        {
+            throw new Exception("Not implemented");
+        }
+
+        #endregion Methods
+    }
+}