Delphi 延迟函数 比sleep 要好的多
2014-03-09 13:09:13| 分类:
delphi xe5
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//延迟函数:方法一
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) <> WAIT_TIMEOUT) do
begin
Application.ProcessMessages;
msecs := Tick - GetTickcount;
end;
finally
CloseHandle(Event);
end;
//延迟函数:方法二
procedure Delay(dwMilliseconds:DWORD);//Longint
var
iStart,iStop:DWORD;
begin
iStart := GetTickCount;
repeat
iStop := GetTickCount;
Application.ProcessMessages;
until (iStop - iStart) >= dwMilliseconds;
end;
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