Support for Office 2019 is added to Add-in Express for Office and .net
Version 9.2 of Add-in Express for Office and .net is published, and we now announce full support for all versions of Office 2000 through 2019 32-bit and 64-bit
View ArticleOffice from Microsoft Store: a spreading source of issues
The number of users having the Office version installed from Microsoft Store increases every day as computer vendors install it by default; see e.g. this support article from Dell. Per-user add-ins and...
View ArticleHow to solve synchronization conflict when modifying Outlook item in ItemAdd...
I see this issue in the Sent Items folder on an Exchange account having Cached Exchange Mode turned on. Reportedly, turning the Cached Mode off solves the issue. The Outlook version used (Outlook 365...
View ArticleHow Add-in Express supports Office 365 / Office 2019
You might already know that Office 365 and Office 2019 are, in fact, subsequent builds of Office 2016: in any Office 365 and Office 2019 application, the Application.Version property returns a string...
View ArticleNew version of Add-in Express sample COM add-in projects
Quick news: we've developed a new version of sample COM add-in projects that we provide in the downloadable archive on the Add-in Express .NET Downloads page
View ArticleReleasing COM objects: Garbage Collector vs. Marshal.RelseaseComObject
Just recently we've got a comment declaring one of our blogs on releasing COM objects "wrong and misleading": the author says Marshal.ReleasingComObject() and related things made him spend "lots of...
View ArticleIssues with Windows mutli-DPI scaling and Office COM add-in panes
Quite often these days you see this configuration: a notebook and an external display or two connected to the notebook. All these displays may have different DPIs. This is a typical environment where...
View ArticleOffice COM add-ins and DPI awareness: research and analysis
In the first blog of this series, I showed issues related to using several monitors with different DPIs. To get an explanation of those pretty confusing results, let’s check resources available on the...
View ArticleInner details of DPI scaling in Office COM add-ins
Today, I’m following Microsoft recommendations and using code fragments they provide to investigate the behavior of a System.Windows.Forms.Form (simply a form)
View ArticleAdd-in Express and Windows hooks
Once in a couple of years Microsoft contacts us on this or that topic. The last topic was the Excel performance on Windows Desktop. They demonstrated a case where enabling an Add-in Express add-in...
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