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Messages 11 to 16 of 16 total |
Stack overflow |
Thu, Jun 27 2013 5:26 AM | Permanent Link |
Ronald | How do I set this breakpoint? On the right I see "Breakpoints", should I be
seeing a button...? It is a very interesting view by the way. "Matthew Jones" schreef in bericht news:memo.20130627091216.9092G@nothanks.nothanks.co.uk... Use Chrome to open it, press F12 to get the debug options, access the source tab (IIRC), and find the Form1Create (Ctrl-F works). Then put a breakpoint on it. Now open the page again, and step through it. You will see what it is actually doing, and how the stack is growing. /Matthew Jones/ |
Thu, Jun 27 2013 5:55 AM | Permanent Link |
Matthew Jones | You click on the line number like in Delphi. There are two source views IIRC, one
is the debug and the other a "file viewer". /Matthew Jones/ |
Thu, Jun 27 2013 6:31 AM | Permanent Link |
Mark Brooks Slikware | Try descending from TPanel rather than TCustomPanel.
I think that'll work. |
Thu, Jun 27 2013 10:58 AM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Ronald,
<< I tried to create my own component, based on a TCustompanel. If I create an instance of my component I get a stackoverflow error (the error is in Duth, so I hope the translation is correct). This is my (very) basic source of the component, what is wrong with it? >> In a nutshell, quite a bit. If you're going to implement a TCustomPanel descendant, then you're going to have to at least implement the same methods that the TPanel component does, or you'll get errors: TPanel = class(TCustomPanel) private class FParts: TCustomPanelParts; protected function GetThemePrefix: String; override; procedure SetThemeParts; override; procedure ResetThemeParts; override; function GetThemeParts: TControlParts; override; // <<<<<<< This is the one that is causing the stack overflow, because it isn't implemented public property Dock; end; If you want just a straight-up blank container control, then don't inherit from TCustomPanel, rather inherit from TContainerControl. TContainerControl does not have any theming at all, and is just a simple container control with an outside container element and an inside client element (both the same size, by default). If you have any other questions, please let me know. Tim Young Elevate Software www.elevatesoft.com |
Thu, Jun 27 2013 11:02 AM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Mark,
<< I thought that too, however I think Tim may have fixed this, primarily because my code uses "Self" in this scenario all over the place and it works just fine. I am running 1.02B1. >> The issue has always been with using the unit-wide Form1 variable *instead of* Self: http://www.elevatesoft.com/supportfaq?action=view&category=ewb&question=accessing_form_variable_oncreate_event_handler Tim Young Elevate Software www.elevatesoft.com |
Fri, Jun 28 2013 6:28 AM | Permanent Link |
Ronald | Thanks, I now use TPanel as my base and that works fine.
"Ronald" schreef in bericht news:8652475C-6024-4BA0-8921-B44D144E6EAB@news.elevatesoft.com... Hi, I tried to create my own component, based on a TCustompanel. If I create an instance of my component I get a stackoverflow error (the error is in Duth, so I hope the translation is correct). This is my (very) basic source of the component, what is wrong withit? unit cells; interface uses WebCore,WebCtrls; type TCell = class(TCustomPanel) private public constructor Create(AOwner: TComponent); override; destructor Destroy; override; end; implementation constructor TCell.Create(AOwner: TComponent); begin inherited Create(AOwner); end; destructor TCell.Destroy; begin inherited Destroy; end; end. Thanks, Ronald |
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