Help with Public (Variables? Constant? Public picturebox?)

Hello!

I have a question, I can't really find the answer...

Basically I have 2 Forms

In form number 1 I have 2 pictureboxes. I want to create a checkbox in form2 that says if checkbox 1 is checked then show picture 1 in form 1

I can't find the way to create those pictureoxes public..what am I doing wrong?

You can not access the PictureBoxes like this?:

Code:

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Form1.PictureBox1.Image
Form1.PictureBox2.Image

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Called in the code of Form2:

Code:

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If Me.CheckBox1.Checked Then
    Me.BackgroundImage = Form1.PictureBox1.Image
Else
    Me.BackgroundImage = Form1.PictureBox2.Image
End If

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The "Me" references to Form2.