Use this procedure to change the properties (property: A named attribute of a control, a field, or an object that you set to define one of the object's characteristics (such as size, color, or screen location) or an aspect of its behavior (such as whether the object is hidden).) of Microsoft ActiveX controls (ActiveX control: A control, such as a check box or button that offers options to users or runs macros or scripts that automate a task. You can write macros for the control in Microsoft Visual Basic for Applications or scripts in Microsoft Script Editor.) on your form (form: A document that contains fill-in blanks, or form fields, in which you enter information. For example, you can create an online registration form in Microsoft Word that uses drop-down lists from which users can select entries.).