Accessing Text Boxes via another class

[FTProtocol]

using System;
using System.Collections.Generic;
using System.Text;

namespace bPod
{
    public class PodCastFunctions : Form1
    {
        public void ClearOriginal()
        {
            newpodcastButton.Visible = false;
            addpodcastButton.Visible = false;
            finalisepodcastButton.Visible = false;
            overviewButton.Visible = false;

            this.Height = 183;
            this.Width = 671;
            this.BackgroundImage = Properties.Resources.NewPCast;

            podcastdescLabel.Visible = true;
            podcastdescTextBox.Visible = true;
            podcastnameLabel.Visible = true;
            podcastnameTextBox.Visible = true;
            podcastdetailsButton.Visible = true;
        }

        public void DrawOriginal()
        {
            podcastdescLabel.Visible = false;
            podcastdescTextBox.Visible = false;
            podcastnameLabel.Visible = false;
            podcastnameTextBox.Visible = false;
            podcastdetailsButton.Visible = false;

            newpodcastButton.Visible = true;
            addpodcastButton.Visible = true;
            finalisepodcastButton.Visible = true;
            overviewButton.Visible = true;

            this.Height = 624;
            this.Width = 670;
            this.BackgroundImage = Properties.Resources.Background;
        }
    }
}

why does this not work?

[ddanbe]

What does not work?

[FTProtocol]

What does not work?

the buttons don't become invisible and such

[FTProtocol]

the buttons don't become invisible and such

Solved

public void ClearOriginal()
        {
            Form1 form1Form = (Form1)Application.OpenForms["Form1"];
            Button newpodcastButton = (Button)form1Form.Controls["newpodcastButton"];
            Button addpodcastButton = (Button)form1Form.Controls["addpodcastButton"];
            Button finalisepodcastButton = (Button)form1Form.Controls["finalisepodcastButton"];
            Button overviewButton = (Button)form1Form.Controls["overviewButton"];
            Label podcastnameLabel = (Label)form1Form.Controls["podcastnameLabel"];
            Label podcastdescLabel = (Label)form1Form.Controls["podcastdescLabel"];
            TextBox podcastnameTextBox = (TextBox)form1Form.Controls["podcastnameTextBox"];
            TextBox podcastdescTextBox = (TextBox)form1Form.Controls["podcastdescTextBox"];
            Button podcastdetailsButton = (Button)form1Form.Controls["podcastdetailsButton"];

            newpodcastButton.Visible = false;
            addpodcastButton.Visible = false;
            finalisepodcastButton.Visible = false;
            overviewButton.Visible = false;

            form1Form.Height = 183;
            form1Form.Width = 671;
            form1Form.BackgroundImage = Properties.Resources.NewPCast;

            podcastdescLabel.Visible = true;
            podcastnameLabel.Visible = true;
            podcastdescTextBox.Visible = true;
            podcastnameTextBox.Visible = true;
            podcastdetailsButton.Visible = true;
        }