Useful extensions to the Marshal utilities in C#

C# Marshal Extensions

public static class MarshalExt
{
    // Only needed for .NET 4.5 and earlier
    public static T PtrToStructure<T>(IntPtr ptr)
    {
        return (T)Marshal.PtrToStructure(ptr, typeof(T));
    }

    public static T[] PtrToStructureArray<T>(IntPtr ptr, int count)
    {
        var ret = new T[count];
        var structSize = Marshal.SizeOf(typeof(T));
        for (int i = 0; i < count; i++)
        {
           ret[i] = PtrToStructure<T>(ptr);
           ptr = IntPtr.Add(ptr,  structSize);
        }
        return ret;
    }
}