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Display problems with XPTaskBar in design time

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3294 Mar 11,2003 11:07 PM Jun 17,2003 11:21 AM Windows Forms 8
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Charles Wolfersberger
Asked On March 11, 2003 11:07 PM

I have noticed that the XPTaskBar has problems displaying itself on a form in design time after control events (for any controls on the form)are added, edited or deleted in the form's code section. When an event is added to a form that also holds an XPTaskBar, the following two popup error messages occur when selecting the form's design-time display page: Popup #1: “Specified argument was out of the range of valid values. Parameter name: Index 0 is out of range.” Popup #2: “ArgumentOutOfRangeException: Specified argument was out of the range of valid values. Parameter name: Index 0 is out of range.” The form then disappears from the design page and is replaced with the following message: "An error occurred while loading the document. Fix the error and then try loading the document again. The error message follows: Object reference not set to an instance of an object." If I simply close and then reopen this page, the form is displayed as it should be. QUESTION: What can be done to prevent these popup error messages and the need to continuously close and open the design page of a form? Thank you for your assistance in this matter. Charles

Ramesh Praveen [Syncfusion]
Replied On March 13, 2003 01:27 PM

Charles, Does this form have a DockingManager? We have seen similar issues with a form containging a DockingManager. We will have a patch for this soon. If not please attach a sample project reproducing this issue (I just checked this in our XPTaskBar sample, where this didn't happen). Regards, Praveen Ramesh

Charles Wolfersberger
Replied On March 13, 2003 02:22 PM

Yes, this problem is occurring on those forms which have an XPTaskBar and a DockingManager control. I'll wait for the patch. Thanks. Charles

Euticio Montelongo
Replied On April 30, 2003 01:22 PM

I'm also having the same issue with ArgumentOutOfRangeException with XPTaskBar and DockingManager control on the same form. Has the patch been release yet?

Ramesh Praveen [Syncfusion]
Replied On May 2, 2003 07:58 AM


Joel Dolisy
Replied On June 13, 2003 04:00 PM

What's the status on the fix for this problem? I'm having the same type of error (without the argument of range exception popup).

Ramesh Praveen [Syncfusion]
Replied On June 15, 2003 11:52 PM

Hi, Our latest release 1.6.* to be released very soon will include a fix for this release. -Praveen

Tom Langer
Replied On June 16, 2003 07:41 PM

I am also having the same problem, on multiple forms too. One form is using the xptaskbar by itself, another uses that and the grid on the same page. I also have another issue, where it goes into an endless "refresh" in design mode, where it never finishes repainting the control, and you can't see of the actual control - the control area is filled with whatever is below the current window (hard to explain). I was also going to wait for v1.6 and see if it goes away.

Ramesh Praveen [Syncfusion]
Replied On June 17, 2003 11:21 AM

Yes, please wait for the 1.6 release. If you continue seeing these problems please provide a reproducable sample. Thanks. Praveen

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