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Delphi Error E2064 Left Side Cannot Be Assigned To

Will a small engine oil overfill damage the engine or turbo? How to find files that contain one criterion but exclude a different criterion Proof of infinitely many prime numbers How do computers calculate sin values? Consider this, which is semantically equivalent to your example: ... More Search Options [X] My Assistant Loading. check my blog

share|improve this answer answered Sep 18 '12 at 5:59 adrianj98 53228 add a comment| up vote 1 down vote Like others have said - the read property will return a copy end; Assigning a value to either the CurrentCustomer property or to a member of the record exposed by the CurrentCustomer property results in the compiler emitting this E2064 error. Speed and Velocity in German more hot questions question feed lang-pascal about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life See the different behaviors in the following code with the explicit getter and setter functions: type TRec = record A: Integer; B: string; end; TForm2 = class(TForm) private FRec : TRec;

You signed out in another tab or window. All of these are illegal. What is this red X icon showing in Thunderbird? HTTPS Learn more about clone URLs Download ZIP Code Revisions 4 "Left Side Cannot Be Assigned To" Compile Time Delphi Error Raw RecordAsAProperty.pas {interface} type TInnerRecord = record Value: string; end;

Reload to refresh your session. The example assigns to constant parameter, to a constant, and to the result of a function call. I really wouldn't suggest to do such swapping via a property anyway. type PRec = ^TRec; TRec = record A : integer; B : string; end; TForm1 = class(TForm) private FRec : TRec; function GetRec: PRec; procedure SetRec(Value: PRec); public property Rec :

Ocorre que estamos tentando alterar o valor de retorno de uma função. Is it possible to setup XE to behave like 2009? Share Clone via HTTPS Clone with Git or checkout with SVN using the repository's web address. Another thing you can do here is to break out the individual fields of the record as properties on the containing class: ...

Compartilhar:Curtir isso:Curtir Carregando... All of these are illegal. share|improve this answer answered Mar 30 '11 at 9:06 Marjan Venema 16.1k44668 9 In other words, thank the XE compiler for no longer letting you shoot yourself in the foot. A mensagem de erro "left side cannot be assigned to" é gerada pelo compilador quando tentamos modificar um objeto somente leitura, uma constante ou o valor de retorno de uma função.

variável Podemos usar uma variável do mesmo tipo e atribuir essa variável à propriedade Dados (acho feio essa solução): var ClasseB: TClasseB; Dados: TDados; begin Dados.Nome := 'Tecsystem'; ClasseB := TClasseB.Create(); additional hints Reload to refresh your session. Fora da matrix, pai e marido tentando manter o espelho intato. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

Operator Overloading A solução mais eficaz e elegante que conheço é usando implicit typecast através de Operator Overloading. click site Fast Reports Inc. Was any city/town/place named "Washington" prior to 1790? Why is the emission curve of Monero so steep?

asked 7 years ago viewed 11307 times active 2 years ago Blog International salaries at Stack Overflow Visit Chat Linked 3 Delphi “E2064 Left side cannot be assigned to” error appeared If you look at it like this, you can see that the first reference to "Rec" (before the dot '.'), has to call GetRec, which will create a temporary local copy There two ways you can solve this kind of problem: either you change the definition of whatever you are assigning to, so the assignment becomes legal, or you eliminate the assignment. news Vamos primeiro entender o problema usando como base o seguinte código: TDados = record Nome: string; end; TClasseA = class public Dados: TDados; end; TClasseB = class private FDados: TDados; public

Copy Code program Produce; const c = 1; procedure p(const s: string); begin s := 'changed'; (*<-- Error message here*) end; function f: PChar; begin f := 'Hello'; (*This is fine Why is the emission curve of Monero so steep? Topology and the 2016 Nobel Prize in Physics C++ Assign to implicitly converted lvalue DDOS attack against Ethereum As a first stab How to find position where a sequence drops off

I paste here a simple dummy example: this compiles on 2009 and gives E2064 on XE...

Sobre Breno Martinusso Aprendendo a programar desde 2001, Breno Martinusso é um geek apaixonado por desenvolvimento de software e entusiasta de software livre. The key part to this solution are the setter methods in the record's properties. –Griffyn Oct 20 '15 at 4:18 add a comment| up vote 6 down vote The compiler is What do I do now? This will allow you to directly assign through the property to the field of that embedded record in the class instance.

Tecsystem Dev Blog Pesquisa Menu principal Pular para o conteúdo principal Pular para o conteúdo secundário InícioEquipeSobre Navegação de Posts ← Anterior Próximo → Erro "Left Side Cannot Be Assigned To" If you want to stay with a Record, you have to use an intermediate variable (or the Field variable) or use a WITH statement. Why are mean and median not equal for asymmetric distributions? More about the author What are the drawbacks of the US making tactical first use of nuclear weapons against terrorist sites?

Was any city/town/place named "Washington" prior to 1790? Another option is something like: TRec = record A : integer; B : string; end; PRec = ^TRec; TForm1 = class(TForm) private FRec : PRec; public constructor Create; destructor Destroy; override; If I'm traveling at the same direction and speed of the wind, will I still hear and feel it? The following example illustrates how to fix these problems.

Is the NHS wrong about passwords? Or should I go for a workaround? You signed in with another tab or window. Mijn accountZoekenMapsYouTubePlayNieuwsGmailDriveAgendaGoogle+VertalenFoto'sMeerShoppingDocumentenBoekenBloggerContactpersonenHangoutsNog meer van GoogleInloggenVerborgen veldenZoeken naar groepen of berichten Skip to content Ignore Learn more Please note that GitHub no longer supports old versions of Firefox.

with Rec do A := ARec.A; // works with original property and with! Embed Embed this gist in your website. asked 5 years ago viewed 2002 times active 5 years ago Blog International salaries at Stack Overflow Linked 14 “Left side cannot be assigned to” for record type properties in Delphi Minecraft commands CanPlaceOn - Granite Writing referee report: found major error, now what?

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