I get no valid GL context in glut (BCB)

I use Borland C++ Builder 6

glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGBA | GLUT_DEPTH | GLUT_STENCIL | GLUT_DOUBLE);
glutInitWindowSize(600, 400);
glutCreateWindow("   [img]http://www.opengl.org/discussion_boards/ubb/frown.gif[/img] ");

after above code i get this:
wglGetCurrenContext() returns NULL.
glGetString(GL_RENDERER) returns NULL.
No window appears.
glutReportErrors() prints nothing.

[This message has been edited by MZ (edited 11-23-2002).]