private void OnButtonPressed(int iIndex) { Graphics3D.Reset(); switch (iIndex) { case 0: AngleHoriz = 0.0; AngleVert = 0.0; break; case 1: AngleHoriz = 90.0; AngleVert = 0.0; break; case 2: AngleHoriz = 180.0; AngleVert = 0.0; break; case 3: AngleHoriz = 270.0; AngleVert = 0.0; break; case 4: AngleHoriz = 0.0; AngleVert = 90.0; break; case 5: AngleHoriz = 45.0 + 0.0; AngleVert = 45.0; break; case 6: AngleHoriz = 45.0 + 90.0; AngleVert = 45.0; break; case 7: AngleHoriz = 45.0 + 180.0; AngleVert = 45.0; break; case 8: AngleHoriz = 45.0 + 270.0; AngleVert = 45.0; break; case 9: ShowDimensions = !ShowDimensions; break; default: break; } Invalidate(); }