Scilab Function

gcf - Return handle of current graphic or GUI window.

### Calling Sequence

  `h = gcf()`

### Parameters

- `h` : handle or integer.

### Description

This routine returns the handle of the current graphic or GUI window. If the current figure is a graphic one `gcf()` returns a handle on it. If the current figure is a `uicontrol` one `gcf()` returns it's figure number.

### Examples

        set("figure_style","new") //create a figure
        f=gcf()
        f.figure_size= [610,469]/2;
        f.figure_name= "Foo";

        f=figure(); // create a figure
        h=uicontrol(f,'style','listbox','position', [10 10 150 160]);// create a listbox
        set(h, 'string', "item 1|item 2|item3");// fill the list
        set(h, 'value', [1 3]); // select item 1 and 3 in the list
        gcf()

        scf(0); //make graphic window 0 the current figure
        gcf()  // return the graphic handle of the current figure

        figure(f) //make GUI  window f the current figure
        gcf()

### See Also

`gdf` , `gca` , `gce` , `get` , `scf` , `set` , `graphics_entities` , `uicontrol` ,

### Author

Serge Steer, INRIA