/// <summary>
/// Frees a block of memory previously allocated with Allocate().
/// </summary>
/// <param name="block">The block to free.</param>
/// <exception cref="InvalidOperationException">There was an error freeing the block.</exception>
public static void Free(IntPtr block)
{
if (_hHeap != IntPtr.Zero)
{
long bytes = (long)SafeNativeMethods.HeapSize(_hHeap, 0, block);
bool result = SafeNativeMethods.HeapFree(_hHeap, 0, block);
if (!result)
{
int error = Marshal.GetLastWin32Error();
throw new InvalidOperationException("HeapFree returned an error: " + error.ToString());
}
if (bytes > 0)
{
GC.RemoveMemoryPressure(bytes);
}
}
}
