VB判断并列举窗体中控件的类型，可判断窗口的控件是否为按钮、文本框、图片框、标签、复选框、列表框、单选按钮等，没有添加的类型可自己添加，了解思路就可以灵活运用了-VB judgment and cited the type of controls in a form, you can determine whether the control window as buttons, text boxes, picture boxes, labels, check boxes, list boxes