TProc<T> = referencetoprocedure(Arg1: T); TProc<T1,T2> = referencetoprocedure(Arg1: T1; Arg2: T2); TProc<T1,T2,T3> = referencetoprocedure(Arg1: T1; Arg2: T2; Arg3: T3); TProc<T1,T2,T3,T4> = referencetoprocedure(Arg1: T1; Arg2: T2; Arg3: T3; Arg4: T4); TFunc<TResult...
匿名方法是可以被存储到变量上面的. typeTPR= referencetoprocedure(varN: Integer);//匿名方法TForm1=class(TForm) Memo1: TMemo; Button1: TButton; Button2: TButton;procedureButton1Click(Sender: TObject);procedureButton2Click(Sender: TObject);privateFAnonMeth: TPR;procedureSetAnonMeth(constValue: TPR...
delphi中reference to与 of object的区别 delphi中方法函数的变量引用有以下集中情况: 过程类型:TProcedure = Procedure; TFunction = function():type 方法指针:TMethod = procedure of Object; func...
procedure FormCreate(Sender: TObject); end; var Form1: TForm1; implementation {$R *.dfm} Type TFun = reference to function(const num: Integer): Integer; {用 reference 定义匿名方法类型} procedure TForm1.FormCreate(Sender: TObject); var fun: TFun; n: Integer; begin {求平方} fun := f...
procedure IAmADynamic; dynamic; procedure IAmAMessage(var m: TMessage); message wm_SomeMessage; end; 静态方法 IAMAStatic是一个静态方法,静态方法是方法的缺省类型,对它就像通常的过程和函数那样调用。编译器知道这些方法的地址,所以调用一个静态方法时它能进行信息静态地链接进可执行文件。静态方法执行的速度最...
Local procedure/function ’<Name>’ assigned to procedure variable 局部过程/函数<NAME>赋给过程变量LOOP/JCXZ distance out of range LOOP/JCXZ距离超出范围Low bound exceeds high bound 下界超过上界Memory reference expected 要求内存引用Method ’<name>’ hides virtual method of base type ’<name>’ 方法...
Local procedure/function '<Name>' assigned to procedure variable 局部过程/函数<NAME>赋给过程变量LOOP/JCXZ distance out of range LOOP/JCXZ距离超出范围Low bound exceeds high bound 下界超过上界Memory reference expected 要求内存引用Method '<name>' hides virtual method of base type '<name>' 方法<...
Local procedure/function '' assigned to procedure variable 局部过程/函数赋给过程变量 LOOP/JCXZ distance out of range LOOP/JCXZ距离超出范围 Low bound exceeds high bound 下界超过上界 Memory reference expected 要求内存引用 Method '' hides virtual method of base type '' ...
procedure Test(Strs : TStrings); type TProc = reference to function () : TObject; var p : TProc; R : TRttiContext; RT : TRttiType; Fs : TArray<TRttiField>; MS : TArray<TRttiMethod>; I : Integer; Obj : TObject; Interfaces : string; ...
type TTimeCallback = reference to procedure(const aTime: TTime; aHasData, aClosed: Boolean); ITestService_Client = interface procedure CountDown(const aTime: TTime; const aResponseCallback: TTimeCallback); end; ICountDown_Send = interface procedure Send(const aTime: TTime); procedure Close...