Accessing MDIchild's function from another child (Visual C++)

Hi, I started recently programming in Visual C++ 2008. I have a problem with getting info from private textbox in one mdichild from another mdichild. I created public non-static function to do it however I don't know if I placed it in a proper place and how to call it from that other child.

public ref class Form2 : public System::Windows::Forms::Form
{
public:
 String^ TextBoxvalue(int nr)
 {
  String^ controlName = "textBox" + nr.ToString();
  Control^ control = this->Controls[controlName];
  TextBox^ box = dynamic_cast<TextBox^>(control);
  if (box != nullptr) return box->Text;
 }
 Form2(void)
 {
  InitializeComponent();
  //
  //TODO: Add the constructor code here
  //
 }

protected:
 /// <summary>
 /// Clean up any resources being used.
 /// </summary>
 ~Form2()
 {
  if (components)
  {
   delete components;
  }
 }

Any advice about the code is very appreciated. A sample code how to do it would be a great help. Thanks

I came up with an idea to forward this function by a function in mdiparent however I don't know how to correctly call that function:

System::String^ Posrednik(int nr)
 {
  return Form2::TextBoxvalue(nr);
 }

error C2352: 'Blink::Form2::TextBoxvalue' : illegal call of non-static member function

Also when I tried to call it from my other mdichild:

this->MdiParent->Posrednik(1)

I received an error:

error C2039: 'Posrednik' : is not a member of 'System::Windows::Forms::Form'

Can someone help because I don't know how to change the function from non-static to static or call it properly? Also I can't find how to add that function to 'System::Windows::Forms::Form'.

ansaurus

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Accessing MDIchild's function from another child (Visual C++)

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