code: func (c *CheckBox) SetSize(width, height int) {
  	if width != KeepValue && (width > 1000 || width < c.minW) {
  		return
  	}
  	if height != KeepValue && (height > 200 || height < c.minH) {
  		return
  	}
  
  	if width != KeepValue {
  		c.width = width
  	}
  
  	c.height = 1
  }
docs: // SetSize changes control size. Constant DoNotChange can be
  // used as placeholder to indicate that the control attrubute
  // should be unchanged.
  // Method does nothing if new size is less than minimal size
  // CheckBox height cannot be changed - it equals 1 always