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Diffstat (limited to 'Xamarin.Forms.Core/WeakReferenceExtensions.cs')
-rw-r--r--Xamarin.Forms.Core/WeakReferenceExtensions.cs16
1 files changed, 16 insertions, 0 deletions
diff --git a/Xamarin.Forms.Core/WeakReferenceExtensions.cs b/Xamarin.Forms.Core/WeakReferenceExtensions.cs
new file mode 100644
index 00000000..e4e883a4
--- /dev/null
+++ b/Xamarin.Forms.Core/WeakReferenceExtensions.cs
@@ -0,0 +1,16 @@
+using System;
+
+namespace Xamarin.Forms
+{
+ internal static class WeakReferenceExtensions
+ {
+ internal static bool TryGetTarget<T>(this WeakReference self, out T target) where T : class
+ {
+ if (self == null)
+ throw new ArgumentNullException("self");
+
+ target = (T)self.Target;
+ return target != null;
+ }
+ }
+} \ No newline at end of file