delphi var S: string; I: Integer; Success: Boolean; begin S := '123.456'; Success := TryStrToInt(S, I); if Success then begin ShowMessage('转换成功: ' + IntToStr(I)); end else begin ShowMessage('转换失败: ' + S); end; end; 总结 在Delphi中,将实数转换为整数有多种方法,包括使...
real是一个带小数点的实数类型，pchar是一个字符串指针 必须先将real类型转为string字符串类型,string是兼容pchar的，如果类型是pchar则使用pchar强转就行了 例 var fl:real;s:string;p:pchar;begin fl := 2.0001245;s := FloatToStr(fl);p := pchar(s);end;有实际的用途吗？可以用强制...
你可以在F1的帮助中输入StrTo之后在列表中找一下就可以了。
Result := IntPart+'.'+inttostr(isjinwei) else begin IntPart:=IntToStr(StrToInt(IntPart)+1); Result :=IntPart+'.'+zerostr(n); end; end; end; end; end; function TForm1.zerostr(n: Integer): string; //位数不足时,末尾补0 var i:Integer; tempstr:string; begin tempstr :=''; if n...
这个函数被用于 Delphi 持续机制,TWriter.WriteProperties 方法调用 IsStoredProp 判断是否需要把该属性的值写入流中。 function IsStoredProp(Instance: TObject; PropInfo: PPropInfo): Boolean; function IsStoredProp(Instance: TObject; const PropName: string): Boolean; ...
function IeeeToDecimal(Ieee: string): extended; // Convert Decimal value to IEEE hexadecimal function DecimalToIeee(Decimal: extended): String; // split an IEEE hex string into byte values string function GetIEEEByte(IEEE: string; Which: Integer): Byte; // make an IEEE string from 4 bytes...
function ReadRowsFromOffset(const aRecId: Int64):String; procedure UpdateRows(const aRowData: String; const aAppend: Boolean); end; This would be the bare minimum you could use to mirror a small news-feed between a client and a mobile app. The functions would return the database rows in...
To refer to an RTD server, you use theRTD functionin an Excel formula. This instructs Excel to load the RTD server and wait for data from it; the bit of data to be retrieved is identified by the topic that the RTD function call specifies. (A topic is a string or a set of string...
Capture output of OutputDebugString API to log file (to provide extra debugging information by yourself directly into your code). Trace Process, Threads and DLLs activities. Important! Bug Finder is tool written by Delphi language, therefore it is native Win32 application, for this reason it can...
The Delphi Purple Sapphire Also known as the "Cursed Amethyst," the Delphi Purple Sapphire was stolen from the Temple of Indra in 1857 and brought to England by Colonel W. Ferris, who quickly lost his fortune and health. His son supposedly encountered the same bad luck, and a friend took...