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#### 21.3.1 Adding Canvas Objects

Adding an object To add a canvas to a form you use the routine

    FL_OBJECT *fl_add_canvas(int type, FL_Coord x, FL_Coord y,
                             FL_Coord w, FL_Coord h, const char *label);

The meaning of the parameters is as usual. The label is not drawn but used as the window name for possible resource and playback purposes. If label is empty, the window name will be generated on the fly as `flcanvasn`, where `n = 0, 1,...`.