2024 Delphi list index out of bounds 1

Delphi list index out of bounds 1

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WebApr 3, 2016 · There are only 2 items in the list, now at indexes [0..1] - List index out of bounds (3). By iterating backwards, even though the bounds is still only calculated at the beginning, you're removing the items from the end and decrementing the count at the same time. Bounds is 5, and you retrieve List [4] and delete it. WebMay 11, 2015 · 2. Use File->New->Other->Delphi Files->Thread Object, and read the large autogenerated comment at the top, which clearly says "don't access VCL controls from a thread other than the main thread without using Synchronize" (or read the TThread documentation in the help file). – Ken White. May 11, 2015 at 13:33.

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WebJul 20, 2015 · for I:=0 to PageControl.PageCount-1 do begin PageControl.Pages [I].TabVisible := False; PageControl.Pages [I].Visible := Ord (iColorScale.GenerationMode) = I; end; I get a 'List index out of bounds (3)' error when executing the first line of the first iteration of the loop equivalent to PageControl.Pages [0].TabVisible := False; WebNov 28, 2024 · Check if list is empty. Before referring to the 0th index of list you must perform a check on whether the list is empty or not. Whenever you try to access records from list first check if its empty or not. List lstAccount = [Select Id, Name from Account Limit 10]; // Before processing the list check if its empty or not // It will go inside the ... kit thermofit

delphi - List Index out of bounds in inherited form - Stack …

WebMay 15, 2013 · 1 Answer Sorted by: 10 List of index out of bound (0) This means that you attempted to reference index 0 of the list, but there is no element at index 0. In other words, your list is empty. The only place in the code that I can see which could lead to that error is where you read items from Dictionary. So, I conclude that Dictionary is empty. Web"List index out of bounds (-1)" - это интересная ошибка. Если бы пришлось гадать, то я бы сказал где-то это выполнение кода, который выглядит так: ... (сама IDE Delphi,) и затем попадайте в F9. Это запустит вторую ... http://www.delphigroups.info/2/12/180131.html kit thermodynamique

List Index Out Of Bounds - delphi - delphigroups.info

Getting List Index Out of Bounds when releasing form in Delphi

WebDelphi Developer list index out of bounds (1) 2003-09-03 02:36:19 AM delphi100 When I try to read a query as such as with query do close; sql.clear; sql.add ('select * from tablename order by fieldname'); open; first; while (not eof) do begin .. next; (for this command I receive a message "list index out of bounds (1)" end; end; http://www.delphigroups.info/2/12/180131.html kit thermolaquageWebJun 4, 2024 · The list index out of bounds error is generally seen when you perform an out of bounds access of a collection class like TList or TStringList. On the other hand, array … kit thermovar

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Delphi list index out of bounds 1

json - Delphi List of Index out of Bounds - Stack Overflow

WebDelphi doesn't have anything officially known as bounds checking; I was thinking of overflow checking. Inasmuch as range checking and … WebApr 22, 2012 · Re: List Index Out of Bounds (-1) by AlexP » Thu 16 Jan 2014 13:29. Hello, This problem is due to the standard DBCommon.GetIndexForOrderBy method, and the parser doesn't take into account the necessity of comma between columns in the OrderBy section, since everything, that is after OrderBy in the parser is defined as fields, and …

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WebMar 20, 2013 · 1 Answer. Sorted by: 2. Let's take a look at TApplication.DoActionIdle: procedure TApplication.DoActionIdle; var I: Integer; begin for I := 0 to Screen.CustomFormCount - 1 do with Screen.CustomForms [I] do if HandleAllocated and IsWindowVisible (Handle) and IsWindowEnabled (Handle) then UpdateActions; end; WebJust run your application under debugger and make sure that "Stop on Delphi Exceptions" (or whatever it is called in your Delphi's version) is turned ON. When exception occurs - there will be a notification from debugger. Press "Ok"/"Debug" button and just view the call stack. Call stack window is shown automatically in recent Delphi's version.

WebJun 4, 2024 · The list index out of bounds error is generally seen when you perform an out of bounds access of a collection class like TList or TStringList. On the other hand, array bounds errors are unpredictable unless you have enabled range checking. If you do that, and you should, then you get a runtime error for such events. WebJul 31, 2012 · In Delphi the selected printer is given by the Printer.PrinterIndex, but if the list of printers is changed, then this index is not valid anymore. I can only think of one solution which is to present the select-printer dialog before every print, in other words not to rely in Printer.PrinterIndex being correct from one print job to the next.

WebJan 22, 2004 · the first one. Sounds good. I keep getting "List index out of bounds". Adding the item from ListBox1 to ListBox2 is no problem, it's when I try and delete the … WebNov 11, 2013 · 1 Answer Sorted by: 3 You have this code: Result := ItemLinks.VisibleItems [0].Control.Height; and this error: List index out of bounds (0) That error tells you that there is no item with index 0. The list uses zero-based indexing and so the conclusion is that there are no visible items. Share Improve this answer Follow

WebJun 22, 2011 · Try running the Delphi IDE in its own debugger (menu Run, Load Process, then choose the the IDE executable - delphi32.exe in your case). Then reproduce the problem with this project. You might get a hint where the problem is located. Share Improve this answer Follow edited Jun 22, 2011 at 7:55 answered Jun 22, 2011 at 6:01 jpfollenius

WebFeb 20, 2012 · List Index out of bounds in inherited form. I want migrate a old Delphi 6 project to Delphi XE2 and ReportBuilder 14. In my project I have a user component TReportBase inherited from TppReport, there are 4 or 5 new properties I need. I have base form TBaseForm with a TReportBase component and some other controls. kit thermostat frisquetWebSep 26, 2024 · 1 Answer Sorted by: 1 Embarcadero keep backward compatibility in runtime bpls, but made changes into design time bpls when doing minor upgrading from 11.1 to 11.2. Seems like you have installed some third party components, which were not rebuilt for the 11.2 version. Take your time. kit thermostat digi 2 hfWebJan 27, 2024 · You've hard-coded the index of the line you read: latitude := (xTemp.Strings [63]); I see no reason for you to assume that the 64th line will hold the latitude, nor that there would always be at least 64 lines of output. The exception you get indicates that in at least one case, there aren't 64 lines of output. kit thermostatique radiateurWebJan 27, 2024 · You are deleting items from ListBox1 while you are looping through ListBox1, so you are invalidating the loop counter and it will eventually go out of bounds. – Remy Lebeau Jan 27, 2024 at 16:19 1 Also, just for future reference, you don't call GetCount on a ListBox or ComboBox. It has a Count property which you should use instead. kit thermostat connecté wiser schneiderWebFeb 4, 2024 · 1) This is probably not the cause of your problem, but you should remove all the Form1 references from your code: Form1 refers to a specific instance of the TForm1 class, which is not necessarily the one in use when your code executes. 2) Use Assert in your code and/or turn RangeChecking on to check that kk and ll refer to valid array … kit thiago verasWebNov 16, 2010 · "List index out of bounds (-1)" is an interesting error. If I had to guess, I'd say somewhere it's executing code that looks like this: Index := List.IndexOf (Whatever); List.Delete (index); If your controls are contained in BPLs, there's a way you can track it down in the debugger. Open the BPL where the frame you're trying to place is located. kit thermostat connecté wiserWeb"List index out of bounds (-1)" - это интересная ошибка. Если бы пришлось гадать, то я бы сказал где-то это выполнение кода, который выглядит так: ... (сама IDE Delphi,) … kit thesis