RE: RibbonX - programatically enable/disable buttons

You use the getEnabled callback and return whatever state the button has to be in.
The trick is to tell Office to execute the callback again. To do so, you need to implement the onLoad callback for customUI. That will give you an IRibbonUI object. Store that.
When you need to tell Office to execute a callback again, call the IRibbonUI.InvalidateControl(controlId) method. You can also use IRibbonUI.Invalidate() to invalidate all controls at once, but I would highly suggest to use the InvalidateControl method at all times.

Patrick Schmid [OneNote MVP]
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"David Thielen" <thielen@xxxxxxxxxxxxx> wrote in message news:F138AC2D-6E95-45D3-8F75-51A64091EAEA@xxxxxxxxxxxxx:

Please correct me if I am wrong but that will be called when the Ribbon is
first shown. But I enable/disable controls based on the position of the caret.

Think of the Cut and Copy buttons - they will enable if text is selected and
disable if no text is selected. I need to be able to do the same thing.

So how can I enable/disable the buttons after my ribbon is displayed? It
must be possible because it happens for the Cut and Copy buttons.

--
thanks - dave
david_at_windward_dot_net
http://www.windwardreports.com

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"Wei Lu [MSFT]" wrote:

> Hello Dave,
>
> When you devlop the custom Ribbon control, you could use the getVisiable
> callback in the XML to programmatically determine whether to show or hide a
> tab.
>
> You could follow the example in the article:
>
> http://msdn2.microsoft.com/en-us/library/aa338202.aspx#OfficeCustomizingRibb
> onUIforDevelopers_Access
>
> Sincerely,
>
> Wei Lu
>
> Microsoft Online Community Support
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