[Icon Changer] Change Icon Now Button

If TextBox1.Text = "" Then
    MsgBox("Please Pick A File/Executable", MsgBoxStyle.Critical, "Error Changing The Icon")
  End If
  If TextBox2.Text = "" Then
    MsgBox("Please Pick A Icon Format File", MsgBoxStyle.Critical, "Error Changing The Icon")
  End If
  If TextBox1.Text = "" Then Exit Sub

  If TextBox2.Text = "" Then Exit Sub

  IconInjector.InjectIcon(TextBox1.Text, TextBox2.Text)
  MsgBox("Icon Changed Successfully!", MsgBoxStyle.Information, "Success")