delphi字符函数Copy,Pos,Quotedstr ———————————————————————————————- Pos function Returns the index value of the first character in a specified substring that occurs in a given string.
Delphi-Copy 函数 函数名称 Copy 所在单元System 函数原型 函数功能 根据指定起始位置和数量,返回一个字符串的子串或者一个数组的子数组. 函数备注第一个参数是一个字符串或一个动态数组,第二个参数是开始截取的索引序号,第三个参数是截取的元素的数量. 举例如下 1var2s :string;3begin4s :='www.hhit.edu.cn...
typeTMyObject=classstrictprivateFField:integer;publicfunctionClone: TMyObject;propertyField: integer read FField;end;functionTMyObject.Clone: TMyObject;beginResult:= TMyObject.Create;Result.FField:= FField;end; Run Code Online (Sandbox Code Playgroud) ...
◇[DELPHI]解析服务器IP地址 uses winsock function IPAddrToName(IPAddr : String): String; var SockAddrIn: TSockAddrIn; HostEnt: PHostEnt; WSAData: TWSAData; begin WSAStartup($101, WSAData); SockAddrIn.sin_addr.s_addr:= inet_addr(PChar(IPAddr)); HostEnt:= gethostbyaddr(@SockAddrIn.sin_a...
◇[DELPHI]解析服务器IP地址 uses winsock function IPAddrToName(IPAddr : String): String; var SockAddrIn: TSockAddrIn; HostEnt: PHostEnt; WSAData: TWSAData; begin WSAStartup($101, WSAData); SockAddrIn.sin_addr.s_addr:= inet_addr(PChar(IPAddr)); HostEnt:= gethostbyaddr(@SockAddrIn.sin_...
> Delphi 5.1 > > Does anyone know of a way to allow a user to view the contents of a memo, > but not allow them to copy it? > > Thanks for any pointers, > Mike > ___ > Delphi-Talk mailing list -> Delphi-Talk@elists.org >http://lists...
> hard, since it is not easily accessible at the Delphi level (it's not the > same menu the PopupMenu property exposes). > - Clearing the clipboard is not what was asked for. > > Overriding the message handlers for WM_CUT and WM_COPY, or the WndProc ...
procedureTForm1.Button2Click(Sender: TObject) ;begin//the following line will select //ALL the text in the edit control {Edit1.SelectAll;}Edit1.CopyToClipboard;end; Clipboard Images To retrieve graphical images from the Clipboard, Delphi must know what type of image is stored there. Similarly...
copy是内置函数,用于从切片中复制数据(存在一种特殊情况即从字符串中复制到字符切片中),源切片和目的切片可以重叠,返回复制的元素个数,等于源和目的的最小长度值。funccopy(dst, src []Type) intThecopybuilt-in function copies elements from a source slice into adestination s... ...
function Copy( S: String; {字符串或动态数组} Index: Integer; {起始位置} Count: Integer {Copy 个数} ): String; {如果参数 S 是动态数组, 这里也应该返回动态数组} 1. 2. 3. 4. 5. 举例: //从字符串中提取 var ss,s: string;