var i:integer; begin i:=i+1; label1.caption:=inttostr(i); end;
ÊÔÁËһϣ¬mousedownÒ²²»Ðа¡¡£ vb¿ÉÒÔ¡£Óкΰ취ʵÏÖûÓС£while true do begin i:=i+1; label1.caption:=inttostr(i); end; ÔÚmousedownÀïÃæÐ´ µÃдÅжÏÊÇÄÇÄĸö¼ü°´ÏÂÁË
mouseDownʼþ£º var i:integer; begin bStop:=false; while not bStop do begin i:=i+1; label1.caption:=inttostr(i); application.processmessages; end; end;
mouseUpʼþ£º begin bStop:=true; end;
¶¥Â¥ÉÏ ÔÚTimerÀïÃæÐ´ÉÏÄãµÄÀÛ¼Ó¹¦ÄÜ,µ±WM_LButtonDown=ture then timer1.enabled := ture;µ±WM_LButtonUp=true then timer1.enabled := false; 4Â¥Õý½â