How to update the label in MainWindow from controller class?

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My controller is a main method which implement my model and do the calculations. My MainWindow class has one button and it will update the result from my controller once it clicked. Now I have problem regrading how to update labels from my controller.

Button method is my view

public void Button1_Clicked(object sender, EventArgs args)
    {

 }

I try to access MainWindow class from my controller class

            Application.Init();
            MainWindow win = new MainWindow();
            //here I want to use win object to access my view
            //but I can not access my labels

            win.Show();
            Application.Run();

The strange part is:

win.Button1_Clicked.first_label

I only can access label through my button which is totally not make any sense to me

gtk2 mono label user-interface c#
1 Answers

If you want to update the labels or any other control in the form, you should write a corresponding method with a public modifier.

Making labels/controls public is a bad practice.

Therefore, my suggested solution would be to write a public method with, e.g. a string argument to set the text;

e.g.:

public void SetLabelText(string text)
{
    LabelResult.Text = text;
}

EDIT:

to set the text use 

win.SetLabelText("some text");
user_71009340
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