函数function TrimLeft(const S: string): string; overload; $[SysUtils.pas 函数function TrimLeft(const S: WideString): WideString; overload; $[SysUtils.pas 功能 返回除去字符串S左边不可见字符 说明 小于#32的字符看作不可见字符 参考function System.Copy 例子Edit2.Text := TrimLeft(Edit1.Text);━━...
type TEmployee = record; Name: string[20]; YearHired:1999..2000; Salary: Double; Position: string[20]; end; 1. 声明记录型的变量 var NewEmployee,PromotedEmployee: TEmployee; 1. 2. 访问记录的单域: NewEmployee.Salary := 1000; 1. 给整个记录赋值,使用with .. do..: with PromotedEmployee...
function hextoint(s: string): Double; begin while Length(s) <>0 do begin //2^(长度-1)次方 if s[1]='1' then Result:=Result+power(2,Length(s)-1); s:=Copy(s,2,Length(s)); end end; //十进制(I)-->>十六进制(S) //D自带函数,Digits长度,一般设4. function IntToHex(Value: ...
The names of originally used constructors are inserted as comments into the translated code now, if the "Verbose" option is enabled and the name is not "Create". This makes it easy to make manually corrections, if there are differently named Delphi constructors with the same signature. The ...
val := obj.AsString; val := obj.AsInteger; val := obj.AsBoolean; val := obj.AsDouble; val := obj.AsArray; val := obj.AsObject; val := obj.AsMethod; How to read a property value of an object ? val := obj.AsObject.S['foo'];//get a stringval := obj.AsObject.I['fo...
VTYPE_DOUBLE, VTYPE_STRING, VTYPE_BINARY, VTYPE_DICTIONARY, VTYPE_LIST ); // /include/internal/cef_types.h (cef_media_route_connection_state_t) TCefMediaRouteConnectionState = ( CEF_MRCS_UNKNOWN, CEF_MRCS_CONNECTING, CEF_MRCS_CONNECTED, CEF_MRCS_CLOSED, CEF_MRCS_TERMINATED );...
delphi完整中文函数手册函数由一句或多句代码组成,可以实现某个特定的功能。使用函数可以使代码更加易读易懂,加快编程速度及减少重复代码。过程与函数类似,过程与函数最重要的区别在于,过程没有返回值,而函数能有返回值。在Delphi 7.0中
var fDecimal : Double; // size = 8 bytes fInteger : Int64 absolute fDecimal; // ...
compress2 この関数は使用しないでください。 これは、内部使用のためのものです。 ZLib compressBound この関数は使用しないでください。 これは、内部使用のためのものです。 ZLib CompToCurrency Comp 値を Currency 値に変換します。 System CompToDouble Comp 値を double 値に変換します。
On 32-bit and 64-bit platforms, an 8-byte (64-bit)Doublenumber is divided into three fields. The valuevof the number is given by: If0 < e < 2047, thenv = (-1)s* 2(e-1023)* (1.f) Ife = 0andf <> 0, thenv = (-1)s* 2(-1022)* (0.f) ...