private static void CreateAndAddCharSetFieldArgument(MethodDefinition method, CustomAttribute dllImportAttr)
{
System.Runtime.InteropServices.CharSet charSet = System.Runtime.InteropServices.CharSet.None;
if (method.PInvokeInfo.IsCharSetAnsi)
{
charSet = System.Runtime.InteropServices.CharSet.Ansi;
}
if (method.PInvokeInfo.IsCharSetUnicode)
{
charSet = System.Runtime.InteropServices.CharSet.Unicode;
}
if (method.PInvokeInfo.IsCharSetAuto)
{
charSet = System.Runtime.InteropServices.CharSet.Auto;
}
TypeReference charSetArgumentType = Utilities.GetCorlibTypeReference(typeof(System.Runtime.InteropServices.CharSet), method.DeclaringType.Module);
//Casted to int, so that it can be resolved to enum member by EnumValueToFieldCombinationMatcher.GetEnumFieldDefinitionByValue
//invokd in WeiteAttributeNamedArgs
CustomAttributeArgument charSetArgument = new CustomAttributeArgument(charSetArgumentType, (int)(charSet));
CustomAttributeNamedArgument namedCharSetArgument = new CustomAttributeNamedArgument("CharSet", charSetArgument);
dllImportAttr.Fields.Add(namedCharSetArgument);
}
public System.Reflection.Emit.MethodBuilder DefinePInvokeMethod(string name, string dllName, string entryName, System.Reflection.MethodAttributes attributes, System.Reflection.CallingConventions callingConvention, System.Type returnType, System.Type[] returnTypeRequiredCustomModifiers, System.Type[] returnTypeOptionalCustomModifiers, System.Type[] parameterTypes, System.Type[][] parameterTypeRequiredCustomModifiers, System.Type[][] parameterTypeOptionalCustomModifiers, System.Runtime.InteropServices.CallingConvention nativeCallConv, System.Runtime.InteropServices.CharSet nativeCharSet)
{
throw new PlatformNotSupportedException();
}
