VB.NET EOF Problem

[boz0]

Hello guys ....

I found a source witch i was looking for it a long time.. and i tryied to follow as it is and i still gets an erro.... can u guys please help me out.....

here is the link im studing...
http://www.supportforums.net/showthread....hlight=eof


my project has

2 textbox
2 buttos
1 openfiledialog
1 checkbox

texbox1 with button 1 open de file i want to crypt
button 2 crypt the file.... the checkbox is the EOF

checkbox2 is not visible as the treat says.....

i wat to know where do put this code on my project

TextBox4.Text = ReadEOFData(TextFile.Text)

If CheckBox1.Checked = True Then
ReadEOFData(TextFile.Text)
WriteEOFData(output, TextBox4.Text)