Original Post
I want to use , for example line interface in visual basic.net 2003 I use the interface by changing directx sdk example. dim myline as direct3d.line dim vec(0) as vector2 vec.x = 100 vec.y = 200 myline = new direct3d.line(device) device.beginscene() myline.begin() myline.draw(vec, color.blue) 'Error in function, in dll' myline.end() device.endscene() Do you know the reason?