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uses  
    Windows,   
    SysUtils,   
    Classes,   
    ShellAPI;   
function RunAndWait(FileName: string; Visibility: Integer): THandle;   
var  
    zAppName: array[0..512] of Char;   
    zCurDir: array[0..255] of Char;   
    WorkDir: string;   
    StartupInfo: TStartupInfo;   
    ProcessInfo: TProcessInformation;   
begin  
    try  
      StrPCopy(zAppName, FileName);   
      GetDir(0, WorkDir);   
      StrPCopy(zCurDir, WorkDir);   
      FillChar(StartupInfo, SizeOf(StartupInfo), #0);   
      StartupInfo.cb := SizeOf(StartupInfo);   
      StartupInfo.dwFlags := STARTF_USESHOWWINDOW;   
      StartupInfo.wShowWindow := Visibility;   
      if not CreateProcess(nil, zAppName, nil, nil, false, Create_NEW_CONSOLE or NORMAL_PRIORITY_CLASS, nil, nil, StartupInfo, ProcessInfo) then  
      begin  
        result := 0;   
        Exit;   
      end  
      else  
      begin  
        WaitForSingleObject(ProcessInfo.hProcess, INFINITE);   
        GetExitCodeProcess(ProcessInfo.hProcess, result);   
      end;   
 
    
     
	
	
    
    
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function isNumeric(strText: WideString): Boolean;
var
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  i, l, p: Integer;
begin
  Result := False;
  l := Length(strText);
  if l = 0 then Exit;
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