/// <summary>
/// Gets an exported function
/// </summary>
public static TDelegate GetExportedFunction <TDelegate>(string dllName, string fn) where TDelegate : Delegate
{
var hModule = Kernel32.GetModuleHandle(dllName);
var hFn = Kernel32.GetProcAddress(hModule, fn);
return(DelegateCreator.CreateDelegate <TDelegate>(hFn));
}
/// <summary>
/// Dynamically creates a <see cref="Delegate" />.
/// </summary>
/// <param name="ptr">Function pointer</param>
/// <param name="returnType">Return type of the <see cref="Delegate" /></param>
/// <param name="args">Delegate arguments</param>
/// <returns>A matching <see cref="Delegate" /></returns>
private static Delegate CreateFluidCallDelegate(Pointer <byte> ptr, Type returnType, object[] args)
{
var argTypes = new List <Type>();
argTypes.AddRange(args.Select(o => o.GetType()));
argTypes.Add(returnType);
var type = Expression.GetDelegateType(argTypes.ToArray());
return(DelegateCreator.CreateDelegate(ptr, type));
}
/// <summary>
/// Creates a <see cref="Delegate" /> from a function pointer.
/// <remarks>
/// Similar to <see cref="Marshal.GetDelegateForFunctionPointer{TDelegate}"/>
/// </remarks>
/// </summary>
/// <param name="ptr">Function pointer</param>
/// <typeparam name="TDelegate"><see cref="Delegate" /> type</typeparam>
/// <returns>A <see cref="Delegate" /> from <paramref name="ptr" /></returns>
public static TDelegate CreateDelegate <TDelegate>(Pointer <byte> ptr) where TDelegate : Delegate
{
return((TDelegate)DelegateCreator.CreateDelegate(ptr, typeof(TDelegate)));
}
