delphi Èý·½¿Ø¼þ
VCLÖеÄShapeÊǸöºÜ²»´íµÄ¿Ø¼þ£¬¿ÉÒÔÑ¡Ôñ¼¸ÖÖͼÐΣ¬ÒÔÂú×ãÎÒÃǵÄÐèÇ󣬵«ÓÐʱºò¾ÍÊǾõµÃËüµÄ¿ÉѡͼÐÎÉÙÁËÒ»µã£¬±ÈÈçÎÒÃÇÏëÒªÒ»¸öÈý½ÇÐΣ¬ËüȴûÓС£ÓÚÊǾÍÏëµ½À´À©Õ¹Ò»ÏÂÕâ¸ö¿Ø¼þ£¬ÃûΪShapeEx¡£ÆäʵÀ©Õ¹µÄ¹¦Äܲ»¶à£¬Ö»ÊÇÔö¼ÓÁËһЩͼÐΡ£¶øÀàÒ²²¢²»ÊǼ̳Ð×ÔTShape£¬¶øÊǼ̳Ð×ÔTGraphicControl£¬ÕâÑù¿ÉÒÔÈÃÎÒÃdz¹µ×¿´¿´Í¼ÐοؼþµÄ×ö·¨¡£TshapeÒ²ÊǼ̳Ð×ÔTGraphicControl¡£¶øÎÒÃǵÄÀ©Õ¹¿Ø¼þ¹¦ÄÜÊÇ»ùÓÚShapeµÄÀ©Õ¹£¬ËùÒÔµ±È»ÀïÃæµÄ´úÂ뼸ºõÈ¡Ö®TShape£¬Ö»ÊǼÓÁËһЩÀ©Õ¹Í¼ÐεĴúÂ룬µ«ÓÖÓÐʲô¹ØϵÄØ£¬VCLÔ´ÂëÊÇ×îºÃµÄѧϰ×ÊÔ´£¬ÎÒÃǺβ»È¡Ö®ÓÃÖ®¡£
ºÜ¶à¶«Î÷ÎÒÃÇÒѾÔÚÉÏÃæ˵¹ýÁË£¬ÕâÀï²»¶à˵ÁË£¬ÎÒÒªÖ±ÈëͼÐοؼþµÄÖص㡣ͼÐοؼþ²»ÊÇ·â×°WindowsµÄ¿Ø¼þ£¬¶øÊÇDelphi×Ô¼º»³öÀ´µÄ£¬ÄÇôËü¿Ï¶¨ÓÐÒ»¸ö»¿Ø¼þµÄº¯Êý¡£Õâ¸öº¯Êý¾ÍÊÇ:
Paint;
¿´Ò»ÏÂVCLÔ´Â룬¿ÉÒÔÖªµÀËü¶¨ÒåÔÚTGraphicControl¡£ÖУº
procedure Paint; virtual;
ÕâÊÇÒ»¸öÐ麯Êý£¬ÄÇôËüµÄʵÏÖÊÇÔõôÑùµÄÄØ£¬µã»÷¿´ËüµÄʵÏÖÈçÏ£º
procedure TGraphicControl.Paint;
begin
end;
ÀïÃæʲôÂëҲûÓУ¬Õâ¸öºÜÈÝÒ×Àí½â£¬ÒòΪËü²»¿ÉÄÜÖªµÀËûµÄ×ÓÀàµÄͼÐÎÊÇʲôÑù×ӵġ£ËùÒÔÉèΪÐ麯Êý£¬ÓÉËüµÄ×ÓÀàÀ´¸²¸ÇËü¡£
ÄÇôÊÇ˵÷ÓÃÁËÕâ¸öº¯ÊýÀ´ÒýÆð»¿Ø¼þÄØ¡£WindowsÓÐÒ»¸öWM_PAINT;ÏûÏ¢£¬µ±Ò»ÇÐÒýÆðÖØ»µÄÌõ¼þ·¢Éú£¬Ôò»á·¢ËÍÕâÌõÏûÏ¢£¬ÔÙ¿´¿´TGraphicControl£¬¹ûÈ»ÓнػñÕâ¸öÏûÏ¢£º
procedure WMPaint(var Message: TWMPaint); message WM_PAINT;
ÔÚ´¦Àíº¯ÊýÀïÃ棬µ÷ÓÃÁËPaint·½·¨£¬´Ó¶øʵÏÖÁ˻ͼÐοؼþ¿ÉÄÜ£º
procedure TGraphicControl.WMPaint(var Message: TWMPaint);
begin
if Message.DC <> 0 then
begin
Canvas.Lock;
try
Canvas.Handle := Message.DC;
try
Paint; //µ÷ÓÃÁËÕâ¸öº¯ÊýÀ´»Í¼Ðοؼþ
finally
Canvas.Handle := 0;
end;
finally
Canvas.Unlock;
end;
end;
end;
¶øËüµÄ×ÓÀา¸ÇÁËPaintº¯Êý£¬ËùÒÔÏûÏ¢´¦Àíº¯Êýµ÷ÓõÄʵ¼ÊÉÏÊÇij¸ö×ÓÀàµÄPaint·½·¨£
Ïà¹ØÎĵµ£º
Delphi±àдϵͳ·þÎñÒ»£ºÈçºÎ±àдһ¸öϵͳ·þÎñ ÊÕ²Ø
´ò¿ªDelphi±à¼Æ÷£¬Ñ¡Ôñ²Ëµ¥ÖеÄFile|New|Other...£¬ÔÚNew ItemÖÐÑ¡ÔñService ApplicationÏDelphi±ã×Ô¶¯ÎªÄ㽨Á¢Ò»¸ö»ùÓÚTServiceApplicationµÄй¤³Ì£¬TserviceApplicationÊÇÒ»¸ö·â×°NT·þÎñ³ÌÐòµÄÀ࣬Ëü°üº¬Ò»¸öTService1¶ÔÏóÒÔ¼°·þÎñ³ÌÐòµÄװж¡¢×¢²á¡¢È¡Ïû· ......
±ÈÈç²Ù×÷
CSDNµÄµÇ¼
ÏÈÓÃWebBrowser¶¨Î»µ½µÇ¼ҳÃæ
WebBrowser1.Navigate('http://passport.csdn.net/UserLogin.aspx?from=http://community.csdn.net/');
È»ºó£¬¿´ÆäHTMLÔ´´úÂ룬·¢ÏÖ
Ãû×ÖΪ ctl00$CPH_Content$tb_LoginNameOrLoginEmailµÄÔªËؾÍÊÇ ÆäÓû§ÃûµÄÊäÈë¿òÁË¡£
´Ëʱ
ʹÓÃ
(WebBrowser1.Documen ......
procedure Delay(msecs:integer);
var
Tick: DWord;
Event: THandle;
begin
Event := CreateEvent(nil, False, False, nil);
try
Tick := GetTickCount + DWord(msecs);
while (msecs > 0) and (MsgWaitForMultipleObjects(1, Event, False, msecs, QS_ALLINPUT) <&g ......
DelphiÖи߼¶DLLµÄ±àдºÍµ÷Óü¼ÇÉ
¸ù¾ÝDelphiÌṩµÄÓÐ¹Ø DLL±àдºÍµ÷ÓõİïÖúÐÅÏ¢£¬Äã¿ÉÒԺܿìÍê³ÉÒ»°ãµÄ DLL±àдºÍµ÷ÓÃµÄ Ó¦ÓóÌÐò¡£±¾ÎĽéÉܵÄÖ÷ÌâÊÇÈçºÎ±àдºÍµ÷ÓÃÄܹ»´«µÝ¸÷ÖÖ²ÎÊý£¨°üÀ¨¶ÔÏóʵÀý£©µÄ DLL¡£ÀýÈ磬 Ö÷½Ð³ÌÐò´«µÝ¸ø DLLÒ»¸öADOConnection ¶ÔÏóʾÀý×÷Ϊ²ÎÊý£¬ DLLÖеĺ¯ÊýºÍ
¸ù¾ÝDelphiÌṩµÄÓÐ¹Ø DLL±àÐ ......
Delphi
DelphiÕâÊÇÒ»¸öwindows×ÀÃæ±à³ÌÈí¼þ£¬ÏÖÔÚ°æ±¾Óкܶ࣬Ö÷ÒªÓõĻ¹ÊÇDelphi7£¬7ÒÔÉϵİ汾¶¼ÐèҪװ.net
¾²Ì¬µ÷ÓúͶ¯Ì¬µ÷Ó㬾²Ì¬µ÷ÓþÍÊÇÖ±½ÓÍù´°ÌåÉÏÍпؼþ£¬¶ø¶¯Ì¬µ÷ÓþÍÊDZàд´úÂëµ÷ÓÿؼþµÄÀàʵÏÖһЩ¹¦ÄÜ¡£
ͨ³£Çé¿ö϶¼ÊÇÕâÁ½ÖÖ·½Ê½Ïà½áºÏµÄʹÓã¬Ëæ×ÅDelphiµÄÉîÈ룬¾Í»á·¢ÏÖÍпؼþ²»ÊÇÍòÄܵģ¬ºÜ¶àʱºò¶¼ ......