diff options
Diffstat (limited to 'Xamarin.Forms.Xaml/MarkupExtensions/TypeExtension.cs')
-rw-r--r-- | Xamarin.Forms.Xaml/MarkupExtensions/TypeExtension.cs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Xamarin.Forms.Xaml/MarkupExtensions/TypeExtension.cs b/Xamarin.Forms.Xaml/MarkupExtensions/TypeExtension.cs new file mode 100644 index 00000000..f4bbf842 --- /dev/null +++ b/Xamarin.Forms.Xaml/MarkupExtensions/TypeExtension.cs @@ -0,0 +1,26 @@ +using System; + +namespace Xamarin.Forms.Xaml +{ + [ContentProperty("TypeName")] + public class TypeExtension : IMarkupExtension<Type> + { + public string TypeName { get; set; } + + public Type ProvideValue(IServiceProvider serviceProvider) + { + if (serviceProvider == null) + throw new ArgumentNullException("serviceProvider"); + var typeResolver = serviceProvider.GetService(typeof (IXamlTypeResolver)) as IXamlTypeResolver; + if (typeResolver == null) + throw new ArgumentException("No IXamlTypeResolver in IServiceProvider"); + + return typeResolver.Resolve(TypeName, serviceProvider); + } + + object IMarkupExtension.ProvideValue(IServiceProvider serviceProvider) + { + return (this as IMarkupExtension<Type>).ProvideValue(serviceProvider); + } + } +}
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