VB.NET
* Public Class Form1

Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
OpenFileDialog1.ShowDialog()
TextBox1.Text = OpenFileDialog1.FileName
End Sub

Private Sub Button2_Click(sender As System.Object, e As System.EventArgs) Handles Button2.Click
SaveFileDialog1.ShowDialog()
TextBox2.Text = SaveFileDialog1.FileName
End Sub

Private Sub Button3_Click(sender As System.Object, e As System.EventArgs) Handles Button3.Click
FileCopy(TextBox1.Text, TextBox2.Text)
End Sub

Private Sub Button4_Click(sender As System.Object, e As System.EventArgs) Handles Button4.Click
OpenFileDialog2.ShowDialog()
TextBox3.Text = OpenFileDialog2.FileName
End Sub

Private Sub Button5_Click(sender As System.Object, e As System.EventArgs) Handles Button5.Click
System.IO.File.Delete(TextBox3.Text)
End Sub
End Class 

 

copy_del.PNG