delphi ÅжÏÍøÂçÊÇ·ñÁ¬Í¨µÄ·½·¨
uses WinInet;
procedure TForm1.Button1Click(Sender: TObject);
begin
if InternetGetConnectedState(nil, 0) then
ShowMessage('ÒÑÁ¬½Ó')
else
ShowMessage('ÒѶϿª');
end;
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ÀàµÄʼþ
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TMyEvent = procedure of object; //²»´ø²ÎÊýµÄ¹ý³Ì
TMyEventExt = procedure(AName: string) of object; //´ø²ÎÊýµÄ¹ý³Ì
TForm1 = class(TForm)
......
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2. Ö´ÐÐÍⲿÃüÁîʹÓÃwinexec£¬ShellExecute
eg. ShellExecute(0, 'open', 'jre/bin/java', '-lang zh-CN', 'E:\myfolder', SW_SHOW);
3. ÅжÏÎļþ¡¢Îļþ¼ÐÊÇ·ñ´æÔÚ
FileExists('C:\Users\bill\somefile.txt')
......
ExtractFileDrive £º·µ»ØÍêÕûÎļþÃûÖеÄÇý¶¯Æ÷£¬Èç"C:"
ExtractFilePath£º·µ»ØÍêÕûÎļþÃûÖеÄ·¾¶£¬×îºó´ø“/”£¬Èç"C:\test\"
ExtractFileDir£º·µ»ØÍêÕûÎļþÃûÖеÄ·¾¶£¬×îºó²»´ø“/” ,Èç"C:\test"
ExtractFileName:·µ»ØÍêÕûÎļþÃûÖеÄÎļþÃû³Æ (´øÀ©Õ¹Ãû)£¬Èç"mytest.doc"
ExtractFileExt ·µ»ØÍ ......
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±àÒëºÃµÄ³ÌÐòÔÚWIN98µÚ¶þ°æÎÞACCESS»·¾³ÏÂÔËÐгɹ¦.
//ÉùÃ÷Á¬½Ó×Ö·û´®
Const
SConnectionString
= 'Provider=M ......