The ActiveX dialog includes four tabs for defining the appearance and functionality of ActiveX controls.
Note: Not all ActiveX controls are supported by Microsoft HTML Help.
ActiveX Control: Allows you to modify any unique properties that were designed for the specific ActiveX control you are adding to a topic.
Margins: Sets the margins on All sides or Left/Right and Top/Bottom.
Borders: Assigns border settings and styles.
Size: Defines the size of the control.