sharing struct data throughout program

[vonCZ]

I have a struct as a private member of my main Window class, like so:

class Window : public QWidget
{
    Q_OBJECT
public:
  //etc
 
private:
  //etc
  struct  Comp  {
 
      short  dataNUM_TOTc;
      char   *lyBuName[24];
      bool   onMA[24];
      short  dataTYPE[24];
    } comp[7];

class Window : public QWidget
{
    Q_OBJECT
public:
  //etc

private:
  //etc
  struct  Comp  {

      short  dataNUM_TOTc;
      char   *lyBuName[24];
      bool   onMA[24];
      short  dataTYPE[24];
    } comp[7];

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The values of the instances of the struct, comp[0-6], are initialized through a member function of the Window class and determine how my QWidgets are set up. I would like to be able to access (read) the values of this struct in the constructor function of another class, defined in another .cpp file. How to do this?

edit: Actually, I've no reason to make it private, so assume it's public instead of private.