How the title content of UIBUtton is set to its way

In the process of development, we often encounter the button's title left-aligned way, first we will think of button.titleLabel.textAlignment = Uitextalignmentleft is not useful, But this method has been banned in iOS, that is, the use of and no effect, fortunately UIButton inherited from Uicontrol then we can use this method to implement, Button.contenthorizontalalignment = Uicontrolcontenthorizonalignmentleft, but don't think it's done, so you'll find your title is close to the left, it's not empty, it's hard to see, so we're going to set tittle in the button position. , by button.contentedgeinsets = Uiedgeinsetsmake (0,10, 0, 0); Make the text distance do the border to keep 10 pixels away, so, run, haha, done

How the title content of UIBUtton is set to its way