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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);
Result:=Screen.Height-R.Bottom;
end;
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function GetTaskBarRect: Integer;
var
TBData: TAPPBARDATA;
begin
TBData.cbSize := SizeOf(TAPPBARDATA);
SHAppBarMessage(ABM_GETTASKBARPOS, TBData);
Result :=Screen.Height-TBData.rc.Top;
end;


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function InstallInf(const PathName: string; hParent: HWND): Boolean;
var
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begin
  instance := ShellExecute(hParent,
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procedure TForm1.Button2Click(Sender: TObject);
var
name:String ;
begin
   name := edit2.Text ;
   name := '%' + name ;
   query1.Close ;
   query1.SQL.Clear ;
   query1.SQL.Add('select * from gjh_t where name like '''+name+'''') ;
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var s1:string;
var i:integer;
var n1:integer;
var tem1: string;
var tem2:integer;
  ......
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