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I remember reading somewhere that Explorer splits application titles with dashes.

For example Mozilla Thunderbird uses this schema for an application title:

Inbox - user@example.org - Mozilla Thunderbird

Also applications like Microsoft Word and many others use a similar Schema:

SomeDocument - Microsoft Word

When Windows 7 was first introduced I remember that we had to modify our application to conform to this schema in order for the new TaskBar to correctly group the application windows into TaskBar buttons.

I am debugging a problem related to this, but I can't seem to find any official documentation on this.

Edit: I found some documentation on the recommended title bar text here: https://learn.microsoft.com/en-us/windows/win32/uxguide/text-ui#title-bar-text

Top-level, document-centric program windows: Use a "document name program name" format. Document names are displayed first to give a document-centric feel.

How does Explorer handle the appliation title / window titles with regards to the TaskBar buttons?

Jens Mühlenhoff
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    "Application title" is the only Delphi context here and an unknown concept to Windows. You're simply speaking of window titles, and the proper way to group is to define an AppID ([see](https://stackoverflow.com/q/13924264/4299358), [see](https://stackoverflow.com/a/37134273/4299358)). – AmigoJack Jan 13 '22 at 10:43
  • Yeah, if you haven't defined an AppID you are doing it wrong – David Heffernan Jan 13 '22 at 12:51
  • Sounds like the right thing to do. I think we did not do it back then, because we were still supporting XP and Vista. Thanks. – Jens Mühlenhoff Jan 13 '22 at 21:42

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