Writeln(modelType.ToString);// 输出 'C'Readln;// 暂停控制台输出窗口end. 我们也可以对 delphi 的基本类型进行扩展,比如: TVariantHelper =recordhelperforVariantpublicfunctionisBlank:Boolean;end; functionTVariantHelper.isBlank:Boolean;beginif(Self = Null)or(Self ='')or(Trim(Self) ='')thenbeginExit...
class helper 可能是从 Delphi 2007 增加的新语法, 因为感觉不太实用, 直到今天才测试了一下. 试过之后才知道: 挺有意思的! 基本功能就是修改已存在的类. Txxx = class helper for T... {T... 表示已存在的类} {可以替换已存在的方法} {也可以有新的方法、成员}end; //这之后再使用 T... 类及其...
only zero or one helper applies in any specific location in source code. The helper defined in the nearest scope will apply. Class or record helper scope is determined in the normal Delphi fashion
class helper 可能是从 Delphi 2007 增加的新语法, 因为感觉不太实用, 直到今天才测试了一下. 试过之后才知道: 挺有意思的! 基本功能就是修改已存在的类. Txxx = class helper for T... {T... 表示已存在的类} {可以替换已存在的方法} {也可以有新的方法、成员} ...
TIniFile に限らず class helper を使って良く使う機能を生やしておくと便利です! Register as a new user and use Qiita more conveniently You get articles that match your needs You can efficiently read back useful information You can use dark theme ...
Automatically prefixes reserved Delphi words with "&" (ampersand); Support for JSON string that contains empty Array; Adds support code to automatically destroy complex sub types. So you don't have to manage subobject's lifetime manually; Uses TObjectList to represent lists; Adds helper serializ...
Well, I am not aware of such a Delphi runtime error message. Can you send a screen shot? Quote biff31337 uniGUI Subscriber 56 Author PostedSeptember 20, 2024 sometimes this also happens here: Quote biff31337 uniGUI Subscriber 56 Author ...
Class Operators in Delphi Any chance of adding the ability to have multiple Record Helpers for Intrinsic Types ? The current version with its single helper per type is a limitation that we would like to see removed... Regards Andrew
"zproject_delphi.gsl" /> <bin name = "zproject_docker.gsl" /> <bin name = "zproject_gh_actions.gsl" /> <bin name = "zproject_gyp.gsl" /> <bin name = "zproject_ios.gsl" /> <bin name = "zproject_java.gsl" /> <bin name = "zproject_java_lib.gsl" /> <bin name = ...
I'll write about Delphi XE 3 simple type helper in the near future. Where's MY Class Helper One limitation to using class helpers that might help you "shoot yourself in the foot" is the fact that you can define and associate multiple helpers with a single type. However, only zero or ...