//int onButtonCloseClicked();
//int onButtonFopenClicked();
//int onButtonWloadClicked();
//int onDlgCancelClicked();
//int onDlgOKClicked();
//int onMeshParamsOKClicked();
//int onSliderChanged();
public int InitGUI()
{
gui = Gui.get();
widget_label = new WidgetLabel(gui, "sun position");
widget_label.setToolTip("Change the sun's position");
widget_label.setPosition(10, 10);
widget_slider = new WidgetSlider(gui, 0, 360, 60);
widget_slider.setToolTip("Slide to change sun position");
widget_slider.setPosition(100, 10);
//widget_slider.setCallback0(Gui.CHANGED, new Widget.Callback0(this, onSliderChanged));
widget_button_del = new WidgetButton(gui, "Delete");
widget_button_del.setToolTip("Delect object(s) selected in combo box");
widget_button_del.setPosition(170, 50);
UserInterface.Callback0 c0 = new UserInterface.Callback0(onButtonDelClicked);
widget_button_del.setCallback0(Gui.CLICKED, );
widget_button_close = new WidgetButton(gui, "Delete");
widget_button_close.setToolTip("Delect object(s) selected in combo box");
widget_button_close.setPosition(170, 50);
//widget_button_close.setCallback0(Gui.CLICKED, new Widget.Callback0(this, OnButtonDelClicked()));
widget_button_fopen = new WidgetButton(gui, "Delete");
widget_button_fopen.setToolTip("Delect object(s) selected in combo box");
widget_button_fopen.setPosition(170, 50);
//widget_button_fopen.setCallback0(Gui.CLICKED, new Widget.Callback0(this, OnButtonDelClicked()));
widget_button_wload = new WidgetButton(gui, "Delete");
widget_button_wload.setToolTip("Delect object(s) selected in combo box");
widget_button_wload.setPosition(170, 50);
//widget_button_wload.setCallback0(Gui.CLICKED, new Widget.Callback0(this, OnButtonDelClicked()));
return(1);
}