Microsoft KB Archive/254708

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Knowledge Base

WD2000: Undocumented Information About Visual Basic WdKeyCategory Constants

Article ID: 254708

Article Last Modified on 11/23/2006


  • Microsoft Word 2000 Standard Edition

This article was previously published under Q254708


This article provides undocumented information about the Microsoft Visual Basic constants WdKeyCategoryPrefix, WdKeyCategoryDisable, and WdKeyCategoryNil.


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  • WdKeyCategoryPrefix is used in the constant group WdKeyCategory, which is used to add key customizations and look at their properties.

    For example, if you create the custom key combination, ALT+A,B, to map to a command, ALT+A is considered a prefix key customization; it is a prefix to the whole keystroke.

    In the following sample code

    Keybindings.Add wdKeyCategoryCommand, "Bold", wdKeyAlt+wdKeyC,wdKeyD

    pressing ALT+C,D applies the bold command.

    The following code

    MsgBox Keybindings(1).KeyCategory

    returns 1, which is wdKeyCategoryCommand.

    The following code

    MsgBox Application.FindKey(wdKeyAlt+wdKeyC).KeyCategory

    returns 7, which is wdKeyCategoryPrefix.

    NOTE: You never use wdKeyCategoryPrefix when adding a key customization; it is just a side effect.

  • WdKeyCategoryDisable may be used to disable hotkeys. The following sample code disables CTRL+K (for inserting a hyperlink) in Microsoft Word:

    Sub DisableHotKeyInWord()
        Application.KeyBindings.Add KeyCode:=BuildKeyCode(wdKeyControl, wdKeyK), KeyCategory:=wdKeyCategoryDisable, Command:=""
    End Sub
  • WdKeyCategoryNil is used when a key combination called programmatically does nothing, as in the following sample code:

    Dim oKey as object
    Set oKey = application.findkey(Application.BuildKeyCode(wdKeyControl,
    wdKeyShift, wdKeyX))

    NOTE: Using this or similar code that uses the WdKeyCategoryNil constant may cause an unexpected run-time error.

Keywords: kbinfo KB254708