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-rw-r--r--Xamarin.Forms.Xaml/MarkupExtensions/ArrayExtension.cs39
1 files changed, 39 insertions, 0 deletions
diff --git a/Xamarin.Forms.Xaml/MarkupExtensions/ArrayExtension.cs b/Xamarin.Forms.Xaml/MarkupExtensions/ArrayExtension.cs
new file mode 100644
index 00000000..9f594132
--- /dev/null
+++ b/Xamarin.Forms.Xaml/MarkupExtensions/ArrayExtension.cs
@@ -0,0 +1,39 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace Xamarin.Forms.Xaml
+{
+ [ContentProperty("Items")]
+ public class ArrayExtension : IMarkupExtension<Array>
+ {
+ public ArrayExtension()
+ {
+ Items = new List<object>();
+ }
+
+ public IList Items { get; }
+
+ public Type Type { get; set; }
+
+ public Array ProvideValue(IServiceProvider serviceProvider)
+ {
+ if (Type == null)
+ throw new InvalidOperationException("Type argument mandatory for x:Array extension");
+
+ if (Items == null)
+ return null;
+
+ var array = Array.CreateInstance(Type, Items.Count);
+ for (var i = 0; i < Items.Count; i++)
+ ((IList)array)[i] = Items[i];
+
+ return array;
+ }
+
+ object IMarkupExtension.ProvideValue(IServiceProvider serviceProvider)
+ {
+ return (this as IMarkupExtension<Array>).ProvideValue(serviceProvider);
+ }
+ }
+} \ No newline at end of file