/// -----------------------------------------------------------------------------------
/// <summary>
/// Re-Allocates memory for <paramref name="nMaxSize"/> elements and returns a pointer
/// suitable to be passed as array to a COM method.
/// </summary>
/// <param name="arrayPtr">Pointer with previously allocated memory</param>
/// <param name="nMaxSize">Max. number of elements in the array</param>
/// <typeparam name="T">Type of elements in array</typeparam>
/// -----------------------------------------------------------------------------------
static public void ArrayToNative <T>(ref ArrayPtr arrayPtr, int nMaxSize)
{
arrayPtr.Resize(nMaxSize * SizeOf(typeof(T)));
}
public void DoOwnMemory_1()
{
using (var array = new ArrayPtr(10))
Assert.AreEqual(true, array.OwnMemory, "Should own memory");
}
/// -----------------------------------------------------------------------------------
/// <summary>
/// Converts a managed array to a pointer to an unmanaged array that can
/// be passed to a COM method.
/// </summary>
/// <param name="unmanagedObj">Unamanged array pointer</param>
/// <param name="nMaxSize">Maximum size of the array</param>
/// <param name="array">Managed array</param>
/// <typeparam name="T">Type of elements in array</typeparam>
/// <remarks>This method is only necessary for [out] or [in,out] arrays. For
/// [in] arrays the .NET marshalling works.</remarks>
/// -----------------------------------------------------------------------------------
static public void ArrayToNative <T>(ArrayPtr unmanagedObj, int nMaxSize, T[] array)
{
Debug.Assert(array.Length <= nMaxSize);
CopyElements(unmanagedObj, array);
}
