Add a generic pointer to resolve ambiguity

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

build/Tests.lua

@@ -185,11 +185,10 @@ function SetupTestProjectsCSharp(name, depends, extraFiles, suffix)
     files { name .. ".Tests.cs" }
     vpaths { ["*"] = "*" }
 
-    links { name .. ".CSharp", "CppSharp.Generator.Tests" }
+    links { name .. ".CSharp", "CppSharp.Generator.Tests", "CppSharp.Runtime" }
     dependson { name .. ".Native" }
 
     LinkNUnit()
-    links { "CppSharp.Runtime" }
 
     filter { "action:netcore" }
       dotnetframework "netcoreapp2.0"

src/Generator/Generators/CSharp/CSharpTypePrinter.cs

@@ -561,9 +561,13 @@ public TypePrinterResult VisitTemplateArgument(TemplateArgument a)
             if (a.Type.Type == null)
                 return a.Integral.ToString(CultureInfo.InvariantCulture);
             var type = a.Type.Type.Desugar();
-            return type.IsPointerToPrimitiveType() && !type.IsConstCharString() ?
-                IntPtrType : type.IsPrimitiveType(PrimitiveType.Void) ? "object" :
-                type.Visit(this).Type;
+            PrimitiveType pointee;
+            if (type.IsPointerToPrimitiveType(out pointee) && !type.IsConstCharString())
+            {
+                return $@"CppSharp.Runtime.Pointer<{(pointee == PrimitiveType.Void ? IntPtrType :
+                    VisitPrimitiveType(pointee, new TypeQualifiers()).Type)}>";
+            }
+            return (type.IsPrimitiveType(PrimitiveType.Void)) ? "object" : type.Visit(this).Type;
         }
 
         public override TypePrinterResult VisitParameterDecl(Parameter parameter)

src/Runtime/Pointer.cs

@@ -0,0 +1,13 @@
+using System;
+
+namespace CppSharp.Runtime
+{
+    public class Pointer<T>
+    {
+        public Pointer(IntPtr ptr) => this.ptr = ptr;
+
+        public static implicit operator IntPtr(Pointer<T> pointer) => pointer.ptr;
+
+        private readonly IntPtr ptr;
+    }
+}