I found two functions used in QWinJumpList which, according to MSDN, was introduced in Windows XP SP2.
Dependency Walker (http://www.dependencywalker.com) might help you pinpoint the source of the problem. On 02/11/2014 07:56 AM, Constantin Makshin wrote: > I looked at the QWinTaskbarButton source code (QWinTaskbarProgress is > just a convenience class that delegates all interaction with the OS to > QWinTaskbarButton) and didn't find anything suspicious, the only > "importable" function it uses is definitely available in XP. > > So my guess is that the incompatibility is caused by another part of > QtWinExtras, not taskbar button/progress. > > On 02/05/2014 02:02 PM, Miroslav Špehar wrote: >> Thanks for the answer, but it might help if i paraphrased the question: >> will creation of taskbar progressbar object on a binary used for windows >> xp cause a problem? >> According to Nurmi's answer - it shouldn't, because of expressed >> optionality in the docu (quote: "In addition, you *can *use..."). >> >> The idea is to build an app which will show taskbar progressbar on >> windows 7+, but not show it (because it doesn't exist) on windows xp. >> The same .exe should be used on both operating systems. >> As I'm seeing it - it doesn't work this way even though documentation >> suggest it should (since the app i'm testing it on doesn't work on >> winxp, but works on win7), so I'm looking for some confirmation/suggestions. >> >> Maybe a hint of some opensource application that uses it so i could >> examine its code? >> >> Regards, Miroslav. >> >> >> >> On Mon, Feb 3, 2014 at 9:11 AM, Sze Howe Koh <szehowe....@gmail.com >> <mailto:szehowe....@gmail.com>> wrote: >> >> Hi, >> >> On 30 January 2014 22:50, Miroslav Špehar <mspe...@gmail.com >> <mailto:mspe...@gmail.com>> wrote: >> > Thanks, for the answer, i am already aware of this example. >> > There is even somewhere in documentation mentioned that filetype >> association >> > is needed so 'recent' jump list would be shown. Is there some kind of >> > prerequisite for 'tasks' jump list? >> >> I don't know the answer to this one, but... >> >> > Also, an application compiled with bundled minigw and ran on windows xp >> > shows error(s) when winextras are used (taskbar progress). The error >> is some >> > dll entry point not found. Is it not supported on win xp? >> > It runs fine on windows 7 though. >> >> ...Taskbar progress bars are a new feature in Windows 7: >> >> http://msdn.microsoft.com/en-us/library/windows/desktop/dd378460(v=vs.85).aspx >> >> <http://msdn.microsoft.com/en-us/library/windows/desktop/dd378460%28v=vs.85%29.aspx>. >> They did not exist in XP and Vista. >> >> >> Regards, >> Sze-Howe >> >> >> >> >> -- >> How much wood could a woodchuck chuck if a woodchuck could chuck wood?
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