InstantForum 2017-1 FinalStrataFrame Forumhttp://forum.strataframe.net/StrataFrame ForumTue, 09 Jun 2026 03:47:09 GMT20http://forum.strataframe.net/FindPost31682.aspxThis issue only seems to come up on Windows server 2003, not on windows 7.<br/><br/> I have an ApplicationThreadManager on the main mdi form.&nbsp; On a child form I have a stratalistview in a themedSplitContainer.Panel.&nbsp; When I fill the the listview using&nbsp; a separate thread, the scrollbars dissapear.<br/><br/>If you put a msgbox at the end of the fill method of that listview on that separate thread, the scrollbar is there.&nbsp; When you click ok, and the thread has completed, the scrollbar disappears.&nbsp; Anyone else observe this phenomenon? <br/><br/>I worked around this issue by only retrieving the data from a separate thread.&nbsp; But still wondered why this might happen.<br/><br/>Thanks,<br/><br/>MarcelWed, 02 Jan 2013 07:41:58 GMTMarcel Heitlagerhttp://forum.strataframe.net/FindPost31684.aspxWell, the message pump may not have completed before the scroll bars are fully initialized.&nbsp; I have seen stuff like this before on different machines when there is, as you are dealing with, a threading issue.&nbsp; Generally, I will move the loading logic to a thread safe location after all initialization logic has taken place on the core controls.<br/><br/>A semi-no-so-clean way to test this is to create a timer and drop it on the form and set it to something like 2-3 seconds.&nbsp; Let this trigger your logic and see if the problem persists.&nbsp; If not, then you know that the controls were not fully initialized and that a threaded conflict occurred.&nbsp; In this case, you can just move the loading logic further downstream until you resolve it.&nbsp; For example, override the OnLoad event of the form, call the base logic, then call your logic.&nbsp; If that doesn't work, move to the OnShown, etc.Wed, 02 Jan 2013 07:41:58 GMTTrent L. Taylor