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a problem about CXTPPropertyGridItem |
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nicolnie 
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Joined: 19 September 2004 Location: China Status: Offline Points: 12 |
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 Topic: a problem about CXTPPropertyGridItemPosted: 25 November 2005 at 5:56am |
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I have a problem about CXTPPropertyGridItem. I use CXTPPropertyGridItem::Expand() to expand a item of property grid in my code. But at the same time, if the user click the same time in the UI, the error happens. It seems that CXTPPropertyGridItem::Collapse() has same problem. I have seen the code of CXTPPropertyGridItem . I found if another call to the function occurs after m_bExpanded is set but before the (XTPWM_PROPERTYGRID_NOTIFY is processed, the m_bExpanded maybe set twice, and this is wrong behavior. I don't know any others has the same problem. |
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Oleg
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Joined: 21 May 2003 Location: United States Status: Offline Points: 11234 |
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Posted: 26 November 2005 at 6:50am |
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Do You Expand it in another thread? How it can be that Expand called while you Expanding programmatically in same thread?
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Oleg, Support Team
CODEJOCK SOFTWARE SOLUTIONS |
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nicolnie
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Joined: 19 September 2004 Location: China Status: Offline Points: 12 |
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Posted: 27 November 2005 at 11:05pm |
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Yes, I expand the item in a worker thread. But if the user click the item at the same time (UI thread), the error happens. Is the expand() and collapse() thread safe?
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Oleg
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Joined: 21 May 2003 Location: United States Status: Offline Points: 11234 |
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Posted: 28 November 2005 at 2:19am |
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I'm afraid no, expand() and collapse no thread safe. :( Can only suggest send message to main thread to expand/collapse item. |
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Oleg, Support Team
CODEJOCK SOFTWARE SOLUTIONS |
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nicolnie
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Joined: 19 September 2004 Location: China Status: Offline Points: 12 |
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Posted: 29 November 2005 at 2:42am |
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I see, maybe it is the right way. I will try to modify my code. |
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