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Managing ActiveX Controls At Runtime

At runtime, the control-frame itself is largely irrelevant from the end-user viewpoint. It is the ActiveX control itself that is visible and useful. In general, the control exhibits its standard behavior as if the control-frame were not there.

The control does not follow any special Progress rules except those described in the following sections. For example, edit controls do not have any of the customized Progress text editing behavior. This means that they do not abide by Progress formats or dictionary validation rules. They are not affected by any Progress startup parameters including, for example, -d (Date Format), -E (European Numeric Format), and -yy (Century). You can make any format, validation, or international settings using either the control’s own properties or by changing regional settings in the system control panel. You can also write 4GL code to do formatting and validation for a control.

However, Progress does enforce some rules and provides 4GL mechanisms that allow ActiveX controls to live more comfortably with other 4GL widgets in an application.


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