MyRibbon.InvalidateControl("control1") ‘ Invalidates the cache of a single control Sub MyAddInInitialize(Ribbon As IRibbonUI)
#STORE BUTTON MISSING OUTLOOK 2016 UPDATE#
The add-in can then force an immediate update of the UI by calling the Refresh method. This process remains in-place until the add-in signals that the cached values areĪt which time, the callback procedure is again called and the return response is cached. Procedure for a button, the function is called once, the image loads, and then if the image needs to be updated, the cached image is used instead of recalling the procedure. For example, if an add-in writer implements the getImage callback The add-in implements, the responses are cached. InvalidateControl method of the IRibbonUI interface. When you need to update the UI you can call the Visual Basic: Function GetVisible(control As IRibbonControl) As Boolean VBA: Sub GetVisible(control As IRibbonControl, ByRef visible)Ĭ++: HRESULT GetVisible( IRibbonControl *pControl, VARIANT_BOOL *pvarfVisible)
The getVisible callback should look like the following one in the code: C#: bool GetVisible(IRibbonControl control) Read more about the Fluent UI (aka Ribbon UI) in the following series of articles:Ĭustomizing the 2007 Office Fluent Ribbon for Developers (Part 1 of 3)Ĭustomizing the 2007 Office Fluent Ribbon for Developers (Part 2 of 3)Ĭustomizing the 2007 Office Fluent Ribbon for Developers (Part 3 of 3) The only possible dynamism is callbacks.įirst of all, you need to define a getVisible callback where you return a boolean value which determines whether your control should be visible or not. The Ribbon UI is a static thing from its birth.