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...
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. Unit System Category string handling routines function Pos(Substr: string; S: string): Integer; Description Pos searches for a substring, ...
1. What is theCopyCells function? The CopyCells function in Delphi's XLSReadWrite component is designed to copy the data from a specified range of cells and paste it to another range of cells within an Excel spreadsheet. It supports copying cells within the same worksheet or even between di...
delphi字符函数Copy,Pos,Quotedstr Unit System Category string handling routines function Copy(S; Index, Count: Integer): string; function...Copy(S; Index, Count: Integer): array; Description S is an expression of a string or dynamic-array...Copy returns a substring or sub array containing Cou...
type TMyObject = class strict private FField: integer; public function Clone: TMyObject; property Field: integer read FField; end; function TMyObject.Clone: TMyObject; begin Result := TMyObject.Create; Result.FField := FField; end; Run Code Online (Sandbox Code Playgroud) 一个主要的区别...
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} 举例: //从字符串中提取 var ss,s: string; begin ss := 'CodeGear Delphi 2007'; s := Copy(ss,5,4); ShowMessage(s)...
> 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...
clipboard. The question was whether the memo component used in a Delphi program can be controlled so that text displayed On it, cannot be copied to the clipboard. As strange as it may seem to you, access to notepad.exe and or any other ...
"Settings" in DLL project properties and app.config file "The function evaluation requires all threads to run" while accessing music library through wmp.dll "The left-hand side of an assignment must be a variable, property or indexer". Help? "The remote server returned an error: (401) Unau...
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...