Console DialogService

src/Library/ObservableComputations.Extensions/Extensions.cs

@@ -1,10 +1,18 @@
 using System.Collections.ObjectModel;
+using System.Collections.Specialized;
 using System.Linq.Expressions;
 
 namespace ObservableComputations;
 
 public static class Extensions
 {
+    [ObservableComputationsCall]
+    public static Filtering<TSourceItem> Filtering<TSourceItem>(
+        this ReadOnlyObservableCollection<TSourceItem> source,
+        Expression<Func<TSourceItem, bool>> predicateExpression,
+        int initialCapacity = 0)
+        => new(source, predicateExpression, initialCapacity);
+
     [ObservableComputationsCall]
     public static Selecting<TSourceItem, TResultItem> Selecting<TSourceItem, TResultItem>(
         this ReadOnlyObservableCollection<TSourceItem> source,