Untitled

How to inherit variables from between forms in Visual Studio, C
public ref class Form2 : public System::Windows::Forms::Form
{

public ref class Form1 : public System::Windows::Forms::Form
{

public ref class Form2 : public System::Windows::Forms::Form, public Form1
{

public ref class Form2 : public Form1
{

public interface IMyForm
{
    int MyValue { get; set; }
}

public class Form1 : System.Windows.Forms.Form, IMyForm
{
   public int MyValue { get; set; }
   ...
}

public class Form2 : System.Windows.Forms.Form, IMyForm
{
   public int MyValue { get; set; }
   ...
}

public void DoSomething(IMyForm form)
{
    form.MyValue = 5;
}