/// <summary>
/// Allocates a block of memory at least as large as the amount requested.
/// </summary>
/// <param name="bytes">The number of bytes you want to allocate.</param>
/// <returns>A pointer to a block of memory at least as large as <b>bytes</b>.</returns>
/// <exception cref="OutOfMemoryException">Thrown if the memory manager could not fulfill the request for a memory block at least as large as <b>bytes</b>.</exception>
public static IntPtr Allocate(ulong bytes)
{
if (_hHeap == IntPtr.Zero)
{
throw new InvalidOperationException("heap has already been destroyed");
}
else
{
IntPtr block = SafeNativeMethods.HeapAlloc(_hHeap, 0, new UIntPtr(bytes));
if (block == IntPtr.Zero)
{
throw new OutOfMemoryException("HeapAlloc returned a null pointer");
}
if (bytes > 0)
{
GC.AddMemoryPressure((long)bytes);
}
return(block);
}
}
