//---------------------------------------------------------------------------
[DllImport("accore.dll", CallingConvention = CallingConvention.Cdecl,
EntryPoint = "?acedSetCurrentVPort@@YA?AW4ErrorStatus@Acad@@PEBVAcDbViewport@@@Z")]
extern static private int acedSetCurrentVPort(IntPtr AcDbVport);
//---------------------------------------------------------------------------
[DllImport("accore.dll", CallingConvention = CallingConvention.Cdecl,
EntryPoint = "?acedSetCurrentVPort@@YA?AW4ErrorStatus@Acad@@H@Z")]
private static extern int acedSetCurrentVPort(int acDbVportNumber);
//---------------------------------------------------------------------------