delphiÖÐapplication.processmessagesµÄ×÷ÓÃ
delphiÖÐapplication.processmessagesµÄ×÷ÓÃ
procedure TForm1.Button2Click(Sender: TObject);
var
I, J, X, Y: Word;
begin
I := 0;
J := 0;
while I < 64000 do
begin
Randomize;
while J < 64000 do
begin
Y := Random(J);
Inc(J);
Application.ProcessMessages;
end;
X := Random(I);
Inc(I);
end;
Canvas.TextOut(10, 10, 'The Button2Click handler is finished');
end;
´úÂëÖкìÉ«µÄÒ»ÐеÄ×÷Óãº
Èç¹ûÄãÔËÐÐÒ»¸ö·Ç³£ºÄʱµÄÑ»·£¬ÄÇôÔÚÕâ¸öÑ»·½áÊøÇ°£¬ÄãµÄ³ÌÐò¿ÉÄܲ»»áÏìÓ¦ÈκÎʼþ£¬Äã°´°´Å¥Ã»Óз´Ó¦£¬³ÌÐòÉèÖÃÎÞ·¨»æÖÆ´°Ì壬¿´ÉÏÈ¥¾ÍÈçͬËÀÁËÒ»Ñù£¬
ÕâÓÐʱ²»ÊǺܷ½±ã£¬ÀýÈçÓÚÖÕֹѻ·µÄ»ú»á¶¼Ã»ÓÐÁË¡£ÕâʱÄã¾Í¿ÉÒÔÔÚÑ»·ÖмÓÉÏÕâôһ¾ä£¬Ã¿´Î³ÌÐòÔËÐе½Õâ¾äʱ£¬³ÌÐò¾Í»áÈÃϵͳÏìÓ¦Ò»ÏÂÏûÏ¢£¬´Ó¶øÊ¹ÄãÓлú
»á°´°´Å¥£¬´°ÌåÓлú»á»æÖÆ¡£
Ïà¹ØÎĵµ£º
¹ØÓÚIntraWeb³ÌÐòÔÚ±àÒëʱ³öÏÖ´íÎóµÄ½â¾ö·½·¨
´íÎóÌáʾ£º[Error] IWLicenseKey.pas(12): Undeclared identifier: 'SetLicenseKey'
´¦Àí·½·¨£º½øÈë²Ëµ¥Tools->Environment Options£¬Ñ¡Ôñ‘Library’£¬½«'Library path'²ÎÊýÖÐÓйØintrawebµÄĿ¼·ÅÔÚÇ°Ãæ¼´¿É¡£
ʹÓÃ&n ......
http://developer.51cto.com/art/200510/7205.htm
[DELPHI]ÍøÂçÁÚ¾Ó¸´ÖÆÎļþ
uses shellapi;
copyfile(pchar('newfile.txt'),pchar('//computername/direction/targer.txt'),false);
[DELPHI]²úÉúÊó±êÍ϶¯Ð§¹û
ͨ¹ýMouseMoveʼþ¡¢DragOverʼþ¡¢EndDragʼþʵÏÖ,ÀýÈçÔÚPANELÉϵÄLABEL:
var xpanel,ypanel,xlabel,yla ......
DelphiÖеÄÈÝÆ÷Àà
×÷Õß ³ÂÊ¡
´ÓDelphi 5¿ªÊ¼VCLÖÐÔö¼ÓÁËÒ»¸öеÄContnrsµ¥Ôª£¬µ¥ÔªÖж¨ÒåÁË£¸¸öеÄÀ࣬ȫ²¿¶¼ÊÇ»ùÓÚ±ê×¼µÄTList Àà¡£
TList Àà
TList Ààʵ¼ÊÉϾÍÊÇÒ»¸ö¿ÉÒÔ´æ´¢Ö¸ÕëµÄÈÝÆ÷À࣬ÌṩÁËһϵÁеķ½·¨ºÍÊôÐÔÀ´Ìí¼Ó£¬É¾³ý£¬ÖØÅÅ£¬¶¨Î»£¬´æÈ¡ºÍÅÅÐòÈÝÆ÷ÖеÄÀ࣬ËüÊÇ»ùÓÚÊý×éµÄ»úÖÆÀ´ÊµÏÖ ......
Delphi×Ö·û´®¡¢PCharÓë×Ö·ûÊý×éÖ®¼äµÄת»»
ÉèÓÐÒÔÏÂÈý¸ö±äÁ¿£º
var
s:string;
p:pchar;
a:array[1..20] of char;
ÄÇôÈýÕßÖ®¼äµÄת»»ÈçÏ£º
1¡¢×Ö·û´®µ½PChar
p:=PChar(s);
2¡¢PCharµ½×Ö·û´®
s:=p;
3¡¢PCharµ½×Ö·ûÊý×é
StrCopy(@a,p);
4¡¢×Ö·ûÊý×éµ ......