public void GLWindowSetPreferredOrientation()
{
tlog.Debug(tag, $"GLWindowSetPreferredOrientation START");
string name = "myGLWindow";
Rectangle rectangle = new Rectangle(20, 20, 100, 100);
GLWindow a1 = new GLWindow(name, rectangle, true);
GLWindow.GLWindowOrientation o1 = new GLWindow.GLWindowOrientation();
a1.SetPreferredOrientation(o1);
tlog.Debug(tag, $"GLWindowSetPreferredOrientation END (OK)");
Assert.Pass("GLWindowSetPreferredOrientation");
}