closing parent form from child form

I have a problem with my forms. I have a parent and child form. In child form I have a button. I want to close parent window using button and create new instance parent form and shows new parent form. Anyone can help me? I tried

private Form1 m_parent;

        public Form2(Form1 frm1)
            m_parent = frm1;

and after that m_parent.Close(), but only what I got is both forms was closed and this is it. After m_parent i create new instance but my application was closed.


calling parent functions from child form

        Main frm = new Main();

This will hide the current form and shows Main form.

You can get a ref from parent in child and then use close method of parent.

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UIPicker sizing in landscape mode

iphone cocoa-touch landscape

I am trying to develop an app with a UIPicker in landscape mode, taking up (almost) the entire width of the screen (with 5 or 6 components). Can you please tell me how to set the size of UIPicker. ...

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