accessing picture box on childform, c#

hi i have childform and parent form I want to show picture in picturebox in childform at run time. How can I access it from parent form. e.g. i can change nackground of childform from parentform

it works childForm.BackgroundImage = Image.FromFile(str[2]); but how can i access picturebox. i tried like this

    public PictureBox picturebox1
    {
        get
        {
            return picturebox1;
        }
        set
        {
            picturebox1 = value;
        }
    }

and then from parentform childForm.picturebox1.Image = Image.From开发者_StackOverflow中文版File(str[2]); but got error.

An unhandled exception of type 'System.StackOverflowException' occurred in Unknown Module. anyhint regards,

This generates a StackOverflowException. Your property getter is returning itself and the property setter is assigning itself. Give it a different name. Furthermore, you want to assign the image, not the control. Fix:

public Image Image
{
    get { return pictureBox1.Image; }
    set { 
        if (pictureBox1.Image != null) pictureBox1.Image.Dispose();
        pictureBox1.Image = value; 
    }
}

Next time you ask a question like this, be sure to document the kind of error you see. Exceptions are meant to help you. Or to help us help you.