delphiµ÷ÓÃÑ¡ÔñĿ¼¶Ô»°¿ò
delphiµ÷ÓÃÑ¡ÔñĿ¼¶Ô»°¿ò
¾³£¼ûÍøÉÏÓÐÈËÎÊÑ¡ÔñĿ¼¶Ô»°¿òµÄ¿Ø¼þ£¬ÆäʵֻÓÃÒ»¸öº¯Êý¾Í¿ÉÒÔʵÏÖ¡£
×¢ÒâÒýÓÃ Filectrl µ¥Ôª
use Filectrl;
procedure TForm1.Button1Click(Sender: TObject);
var
Dir: String;
begin
SelectDirectory('Select a directory', '', Dir);
ShowMessage(Dir);
end;
Ïà¹ØÎĵµ£º
×î½üÃæÊÔÁËÒ»¼ÒÆóÒµ,ÏÂÃæÓÐÒ»µÀ´ÓÀ´Ã»ÓÐÏë¹ýµÄÎÊÌâ,µ±Ê±ÓÐ˼·,²»¹ýд²»³öÀ´.»ØÀ´ºó,µ÷ÊÔÁËÒ»ÏÂ,·¢ÏÖ»¹ÊÇÓÐÄѶȵÄ,дÉÏÀ´¿´´ó¼ÒÊÇ·ñ»¹ÓиüÓÅ»¯µÄд·¨,»¶ÓÌÖÂÛ:
ÏÂÃæÊµÏÖ½«×Ö·û´®"10ad200d3" ÖеÄÊý×ֺϼÆ,10+200+3=213
var s1:string;
var i:integer;
var n1:integer;
var tem1: string;
var tem2:integer;
......
µÚÒ»ÖÖ£ºÐèÒªÒýÓÃWindowsµ¥Ôª
ShowMessage(IntToStr(GetSystemMetrics(SM_CYSCREEN)-GetSystemMetrics(SM_CYFULLSCREEN)-GetSystemMetrics(SM_CYCAPTION)));
µÚ¶þÖÖ£ºÐèÒªÒýÓÃWindowsµ¥Ôª
function GetSystemTaskBarHeight:Integer;
var
R:TRect;
begin
SystemParametersInfo(SPI_GETWORKAREA,0,@R,0);
Resul ......
Windows ÏÂÒ»¸öµäÐ͵ÄÌØÕ÷¾ÍÊǶàÈÎÎñ£¬ÎÒÃÇ¿ÉÒÔͬʱ´ò¿ª¶à¸ö´°¿Ú½øÐвÙ×÷£¬Ò²¿ÉÒÔͬʱÔËÐгÌÐòµÄ¶à¸öʵÀý£¬±ÈÈç¿ÉÒÔ´ò¿ªÐí¶à¸ö×ÊÔ´¹ÜÀíÆ÷½øÐÐÎļþµÄÒÆ¶¯¸´ÖƲÙ×÷¡£µ«ÓÐʱ³öÓÚijÖÖ¿¼ÂÇ£¨±ÈÈ簲ȫÐÔ£©£¬ÎÒÃÇÒª×ö³öһЩÏÞÖÆ£¬ÈóÌÐòÖ»Äܹ»ÔËÐÐÒ»¸öʵÀý¡£ÔÚDelphi±à³ÌÖУ¬±ÊÕß×ܽá³öÁËÒÔϼ¸ÖÖ·½·¨£º
¡¡¡¡Ò»¡¢ ²éÕÒ´°¿Ú·¨
¡¡¡ ......
http://book.77169.com/data/web5302/20050228/20050228__3692503.html
ActiveX ºÍ Web
ÔÚWindows ²Ù×÷ϵͳÏ£¬ÓÐÒ»¸öÖØÒªµÄ»úÖÆ£¬¾ÍÊÇOLE £¬¾ÍÊÇ¿ÉÒÔÈÃij
¸öÓ¦ÓóÌÐò£¨OLE Controller£©·ÃÎÊÆäËüÓ¦ÓóÌÐò£¨OLE Server£©ËùÌṩµÄ
¹¦ÄÜ£¬ÕâÑù×öµÄºÃ´¦ÊÇ£¬Èç¹ûÒѾÓÐÁËÍê³ÉijÏÄܵijÌÐò£¬Äã¾Í²»±ØÔÙΪ
ijÏÄܱàÐ´ÌØ¶¨ ......
function ExpCalc(exp: string): string;
var
vScript: Variant;
begin
vScript := CreateOleObject('ScriptControl');
vScript.Language := 'VBScript';
Result := vScript.Eval(exp);
end;
procedure TForm1.Button1Click(Sender: TObject);
var
s:string;
begin
s:=ExpCalc('100 *4.17/0.5*(55. ......