System.OleAutBinder.CanChangeType C# (CSharp) Method

CanChangeType() public method

public CanChangeType ( Object value, Type type, System.Globalization.CultureInfo cultureInfo ) : bool
value Object
type Type
cultureInfo System.Globalization.CultureInfo
return bool
        public override bool CanChangeType(Object value, Type type, CultureInfo cultureInfo)
        {
            Variant myValue = new Variant(value);
            if (cultureInfo == null)
                cultureInfo = CultureInfo.CurrentCulture;
                
    #if DISPLAY_DEBUG_INFO      
            Console.Write("In OleAutBinder::CanChangeType converting variant of type: ");
            Console.Write(myValue.VariantType);
            Console.Write(" to type: ");
            Console.WriteLine(type.Name);
    #endif      
            
            // If we are trying to convert to variant then there is nothing to do.
            if (type == typeof(Variant))
            {
    #if DISPLAY_DEBUG_INFO      
                Console.WriteLine("Variant being changed to type variant is always legal");
    #endif      
                return true;
            }
    
            if (type.IsByRef)
            {
    #if DISPLAY_DEBUG_INFO      
                Console.WriteLine("Striping byref from the type to convert to.");
    #endif      
                type = type.GetElementType();
            }

            // If we are trying to convert from an object to another type then we don't
            // need the OLEAUT change type, we can just use the normal COM+ mechanisms.
            if (!type.IsPrimitive && type.IsInstanceOfType(value))
            {
    #if DISPLAY_DEBUG_INFO      
                Console.WriteLine("Source variant can be assigned to destination type");
    #endif      
                return true;
            }

            // Handle converting primitives to enums.
            if (type.IsEnum && value.GetType().IsPrimitive)
            {
    #if DISPLAY_DEBUG_INFO      
                Console.WriteLine("Converting primitive to enum");
    #endif      
                return true;
            }

            return base.CanChangeType(value, type, cultureInfo);
        }
    }