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Keyboard Handling in Controls

  • Article

Keyboard handling support for the following functionality is strongly recommended, although it is recognized that it is not applicable to all containers.

  • Support for OLEMISC_ACTSLIKELABEL and OLEMISC_ACTSLIKEBUTTON status bits.
  • Implementing the DisplayAsDefault ambient property (if it exists, it can return FALSE).
  • Implementing tab handling, including tab order.

Some containers will use ActiveX controls in traditional compound document scenarios. For example, a spreadsheet may allow a user to embed an ActiveX control into a worksheet. In such scenarios, the container would do keyboard handling differently, because the keyboard interface should remain consistent with the user's expectations of a spreadsheet. Documentation for such products should inform users of differences in control handling in these different scenarios. Other containers should endeavor to honor the above functionality correctly, including Mnemonic handling.

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