Problem when displaying JFrame by button click

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Basically, this is my problem. I have two files: NoteFrame.java and Chords.java.

I'm attempting to make an instance of the NoteFrame dialog appear when I click on a button in the Chords.java class.

I have the following code in the event handler code for the button "tunerBtn" in the Chords.java class:

private void tunerBtnActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:

NoteFrame newNoteFrame = new NoteFrame();
newNoteFrame.setVisible(true);
newNoteFrame.pack();

}


This works, as in when I click the button, the NoteFrame dialog appears. However, the NoteFrame dialog is not set up as it is when I run the dialog directly from the NoteFrame class itself.

Inside the 'main' function in the NoteFrame class I have included a function called 'run' which sets up all the JLabels, Text colours etc.. for the dialog. This doesnt seem to be called when the NoteFrame dialog is created by the button click in the Chords class..

Is there any way to gain access to 'main' or 'run' through the Chords class in order to ensure the dialog is set up correctly..??

Any help is appreciated,

Thanks