BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Weird behaviour on the order of left aligned panels          BorlandTalk.com Forum Index -> C++ Builder (VCL Components Usage) View previous topic :: View next topic   Author Message Peter Venis Guest Posted: Fri Mar 25, 2005 5:37 pm    Post subject: Weird behaviour on the order of left aligned panels Hi I have three panels (Panel1, Panel2, Panel3) inside one larger panel (MainPanel). All three panel's alignment proprties are set to 'Left' and the three panels are seperated using splitters (splitter1, splitter2) Now I have a button on a form, when I press the button panel, Panel1 and Splitter1 are set to Hide(), when I press again they both are set to Show(). Weird thing is, I works the first couple of times I press the button, they dissapear and reapear just as they suppose to. But the third time or so when they reapear, the order of the Panels is not right. I get Panel2, Panel1, Panel3. I've been trying for ages trying to figure out the cause and how to prevent this. The best I could find in the documentation was something about ZOrder, but trying to call SetZOrder() didn't work because the compiler claims that method isn't accessible. I also tried BringToFront() but that obviously wasn't it. Any idea what might cause this and how to prevent those panels from getting mixed up? Peter Back to top Vladimir Stefanovic Guest Posted: Fri Mar 25, 2005 5:57 pm    Post subject: Re: Weird behaviour on the order of left aligned panels I had a similar problem. I solved that (somehow) by temporarily assigning the alignment of static panels to alNone, instead of alLeft, then Show() your affected panel, and after showing it, assign it alLeft again. In other words, in critical Show/Hide operations, I setted other panels' alignment temporarily to alNone. -- Best regards, Vladimir Stefanovic "Peter Venis" <petervenis (AT) zonnet (DOT) nl> wrote Quote: Hi I have three panels (Panel1, Panel2, Panel3) inside one larger panel (MainPanel). All three panel's alignment proprties are set to 'Left' and the three panels are seperated using splitters (splitter1, splitter2) Now I have a button on a form, when I press the button panel, Panel1 and Splitter1 are set to Hide(), when I press again they both are set to Show(). Weird thing is, I works the first couple of times I press the button, they dissapear and reapear just as they suppose to. But the third time or so when they reapear, the order of the Panels is not right. I get Panel2, Panel1, Panel3. I've been trying for ages trying to figure out the cause and how to prevent this. The best I could find in the documentation was something about ZOrder, but trying to call SetZOrder() didn't work because the compiler claims that method isn't accessible. I also tried BringToFront() but that obviously wasn't it. Any idea what might cause this and how to prevent those panels from getting mixed up? Peter Back to top Damon Chandler (TeamB) Guest Posted: Sat Mar 26, 2005 7:26 am    Post subject: Re: Weird behaviour on the order of left aligned panels Hi Peter, You can change the relative alignment of controls by adjusting the controls' position (via code) as you would via drag-and-drop if you were to perform the same operation at design-time. So, try setting the Left property of Pane1 to 0. There's a brief example (for alTop-aligned panels) here... http://tinyurl.com/5cg7f Good luck, -- Damon (TeamB) C++Builder Developer's Journal http://bcbjournal.com BCB Commonly Asked Questions http://bcbjournal.com/bcbcaq Peter Venis wrote: Quote: Hi I have three panels (Panel1, Panel2, Panel3) inside one larger panel (MainPanel). All three panel's alignment proprties are set to 'Left' and the three panels are seperated using splitters (splitter1, splitter2) Now I have a button on a form, when I press the button panel, Panel1 and Splitter1 are set to Hide(), when I press again they both are set to Show(). Weird thing is, I works the first couple of times I press the button, they dissapear and reapear just as they suppose to. But the third time or so when they reapear, the order of the Panels is not right. I get Panel2, Panel1, Panel3. I've been trying for ages trying to figure out the cause and how to prevent this. The best I could find in the documentation was something about ZOrder, but trying to call SetZOrder() didn't work because the compiler claims that method isn't accessible. I also tried BringToFront() but that obviously wasn't it. Any idea what might cause this and how to prevent those panels from getting mixed up? Peter Back to top Damon Chandler (TeamB) Guest Posted: Sat Mar 26, 2005 7:28 am    Post subject: Re: Weird behaviour on the order of left aligned panels Hi Vladimir, You might have already tried this, but it sounds like you might be better-served by using the DisableAlign() method of the parent control. Cheers, -- Damon (TeamB) C++Builder Developer's Journal http://bcbjournal.com BCB Commonly Asked Questions http://bcbjournal.com/bcbcaq Vladimir Stefanovic wrote: Quote: I had a similar problem. I solved that (somehow) by temporarily assigning the alignment of static panels to alNone, instead of alLeft, then Show() your affected panel, and after showing it, assign it alLeft again. In other words, in critical Show/Hide operations, I setted other panels' alignment temporarily to alNone. Back to top Vladimir Stefanovic Guest Posted: Sat Mar 26, 2005 7:31 am    Post subject: Re: Weird behaviour on the order of left aligned panels Quote: Hi Vladimir, You might have already tried this, but it sounds like you might be better-served by using the DisableAlign() method of the parent control. No, I have never tried DisableAlign() before, and I should try it definitely. Thanks. -- Best regards, Vladimir Stefanovic Back to top Peter Venis Guest Posted: Sat Mar 26, 2005 8:26 am    Post subject: Re: Weird behaviour on the order of left aligned panels Thanks, that did the trick Peter "Damon Chandler (TeamB)" <editor (AT) _REMOVE_THIS_SPAM_GUARD_bcbjournal (DOT) com> schreef in bericht news:42450e86$1 (AT) newsgroups (DOT) borland.com... Quote: Hi Peter, You can change the relative alignment of controls by adjusting the controls' position (via code) as you would via drag-and-drop if you were to perform the same operation at design-time. So, try setting the Left property of Pane1 to 0. There's a brief example (for alTop-aligned panels) here... http://tinyurl.com/5cg7f Good luck, -- Damon (TeamB) C++Builder Developer's Journal http://bcbjournal.com BCB Commonly Asked Questions http://bcbjournal.com/bcbcaq Peter Venis wrote: Hi I have three panels (Panel1, Panel2, Panel3) inside one larger panel (MainPanel). All three panel's alignment proprties are set to 'Left' and the three panels are seperated using splitters (splitter1, splitter2) Now I have a button on a form, when I press the button panel, Panel1 and Splitter1 are set to Hide(), when I press again they both are set to Show(). Weird thing is, I works the first couple of times I press the button, they dissapear and reapear just as they suppose to. But the third time or so when they reapear, the order of the Panels is not right. I get Panel2, Panel1, Panel3. I've been trying for ages trying to figure out the cause and how to prevent this. The best I could find in the documentation was something about ZOrder, but trying to call SetZOrder() didn't work because the compiler claims that method isn't accessible. I also tried BringToFront() but that obviously wasn't it. Any idea what might cause this and how to prevent those panels from getting mixed up? 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