static extern IntPtr HeapAlloc(IntPtr hHeap, uint dwFlags, UIntPtr dwBytes);

Public Declare Function HeapAlloc Lib "kernel32" (ByVal hHeap As IntPtr, ByVal dwFlags As Integer, ByVal dwBytes As IntPtr) As IntPtr

Public Declare Function HeapAlloc Lib "kernel32" (ByVal hHeap As IntPtr, ByVal dwFlags As UInteger, ByVal dwBytes As UIntPtr) As IntPtr