Add generic WithConversion method

MvvmCross/Core/Binding/Binders/IMvxValueConverterRegistryFiller.cs

@@ -15,6 +15,8 @@ namespace MvvmCross.Binding.Binders
 
     public interface IMvxNamedInstanceRegistryFiller<out T>
     {
+        string FindName(Type type);
+
         void FillFrom(IMvxNamedInstanceRegistry<T> registry, Type type);
 
         void FillFrom(IMvxNamedInstanceRegistry<T> registry, Assembly assembly);

MvvmCross/Core/Binding/Binders/MvxNamedInstanceRegistryFiller.cs

@@ -98,7 +98,7 @@ where type.IsConventional()
             }
         }
 
-        protected virtual string FindName(Type type)
+        public virtual string FindName(Type type)
         {
             var name = type.Name;
             name = RemoveHead(name, "Mvx");

MvvmCross/Core/Binding/Binders/MvxValueConverterRegistryFiller.cs

@@ -15,7 +15,7 @@ public class MvxValueConverterRegistryFiller
         : MvxNamedInstanceRegistryFiller<IMvxValueConverter>
           , IMvxValueConverterRegistryFiller
     {
-        protected override string FindName(Type type)
+        public override string FindName(Type type)
         {
             var name = base.FindName(type);
             name = RemoveTail(name, "ValueConverter");

MvvmCross/Core/Binding/BindingContext/MvxFluentBindingDescription.cs

@@ -10,9 +10,10 @@ namespace MvvmCross.Binding.BindingContext
     using System;
     using System.Linq;
     using System.Linq.Expressions;
-
+    using MvvmCross.Binding.Binders;
     using MvvmCross.Binding.Bindings;
     using MvvmCross.Binding.ValueConverters;
+    using MvvmCross.Platform;
     using MvvmCross.Platform.Converters;
 
     public class MvxFluentBindingDescription<TTarget, TSource>
@@ -95,6 +96,15 @@ public MvxFluentBindingDescription(IMvxBindingContextOwner bindingContextOwner,
             return this;
         }
 
+        public MvxFluentBindingDescription<TTarget, TSource> WithConversion<TValueConverter>(object converterParameter = null)
+            where TValueConverter : IMvxValueConverter
+        {
+            var filler = Mvx.Resolve<IMvxValueConverterRegistryFiller>();
+            var converterName = filler.FindName(typeof(TValueConverter));
+
+            return WithConversion(converterName, converterParameter);
+        }
+
         public MvxFluentBindingDescription<TTarget, TSource> WithFallback(object fallback)
         {
             this.SourceStepDescription.FallbackValue = fallback;

MvvmCross/Core/Binding/Combiners/MvxValueCombinerRegistryFiller.cs

@@ -15,7 +15,7 @@ public class MvxValueCombinerRegistryFiller
         : MvxNamedInstanceRegistryFiller<IMvxValueCombiner>
           , IMvxValueCombinerRegistryFiller
     {
-        protected override string FindName(Type type)
+        public override string FindName(Type type)
         {
             var name = base.FindName(type);
             name = RemoveTail(name, "ValueCombiner");