Call Dialog Methods form a static Class in C#

Question

I have to catch an event from a parent dialog that uses a method from a static class to update an array.

From this dialog I call a child dialog that shows the array in a list.

I know with a variable if the current dialog is the child or the parent dialog, but from the method in the static class how can I call the method inside the child dialog to update the list when I catch the event?

Answer 1

You could pass the instance of the dialog into the static method like below. I would definitely revisit your architecture if you're having a static method call into your dialog's methods however.

public static class MyStaticClass
{
   public static void SomeMethod(Form myDialog)
   {
      myDialog.SomeMethodOnTheDialog();
   }
}

Answer 2

You'll have to modify your static method to take an instance of the Dialog as a parameter:

public static void UpdateArray(Dialog instance)
{
     // Initialize what you need

     instance.DoSomething();
}

Then you would all it in your Event Handler like:

public void Dialog_EventHandler(object sender, EventArgs e)
{
    Dialog dialog = (Dialog) sender;
    UpdateArray(dialog);
}