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    1¡¢kind -> dtktime Ò²¿ÉÒÔÊÇdtkdate µ«ÊÇÔÚÓÃdtkdateµÄʱºòÐèÒª½«datemodeÊôÐÔÐ޸ijÉdmUpDown
    2¡¢parseinput -> true
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DateTimePicker1.DateTime:=DateAndTime;
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1¡£ÐÞ¸ÄdelphiµÄ°üº¬TdatatimepickerµÄµ¥ÔªComCtrls.pas  
     ËÑË÷£ºTDateTimePicker.CNNotify(var   Message:   TWMNotify);  ÔÚÕâ¸öº¯ÊýÖУ¬´úÂ룺
 procedure   TDateTimePicker.CNNotify(var   Message:   TWMNotify);  
  var  
      DT:   TDateTime;  
      AllowChange:   Boolean;  
  begin  
      with   Message,   NMHdr^   do  
      begin  
          Result   :=   0;  
          case   code   of  
              DTN_CLOSEUP:  
                  begin  
                      FDroppedDown   :=   False;  
                      SetDate(SystemTimeToDateTime(FLastChange));  
                      if   Assigned(FOnCloseUp)   then   FOnCloseUp(Self);  
                  end;  
              DTN_DATETIMECHANGE:  
                  begin  
                      with   PNMDateTimeChange(NMHdr)^   do  
   


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     procedure WMDeviceChange(var Msg: TMessage); message WM_DEVICECHANGE;
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unit Unit1;
interface
uses
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×¢£ºCDONTSΪCDOµÄ×Ó¼¯£¬½öÖ§³ÖWinNT/Win2K£¬WinXPÒÔÉÏÇëÓÃCDO;
µ¥ÔªÒýÓÃComObj;
procedure TForm1.Button1Click(Sender: TObject);
var
VCDOMessage:oleVariant;
begin
  vCDOMessage:=CreateOleObject('CDO.Message');
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ShowMessage(IntToStr(GetSystemMetrics(SM_CYSCREEN)-GetSystemMetrics(SM_CYFULLSCREEN)-GetSystemMetrics(SM_CYCAPTION)));
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function GetSystemTaskBarHeight:Integer;
var
R:TRect;
begin
SystemParametersInfo(SPI_GETWORKAREA,0,@R,0);
Resul ......
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