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AuthorForum: PowerTCP Emulation for .NET
Topic: VT Scroll Escape Sequences
Gayle

From: USA
Posts: 5
Member Since: 06/13/12
posted June 6, 2014 5:44 PM

In particular the scroll screen escape sequence <ESC>[{start};{end}r is causing some issues in the terminal emulator. Is there a property that we have to set in order for the scroll escape sequences to work?
Nick B (Admin)

From: Utica, NY USA
Posts: 584
Member Since: 05/25/10

Extra Support Options
Custom Application Development

posted June 9, 2014 11:19 AM

Hello,

What issues are you experiencing?
Gayle

From: USA
Posts: 5
Member Since: 06/13/12
posted June 9, 2014 4:13 PM

The screen is display is messed up. Line 1 appears normal, lines 2-8 appear to get frozen. From that point on, nothing will display on those lines. What should be on line 2-8 is displayed on lines 9-15. The cursor is correctly positioned on line 2 where the display should be. From this point until the end of the emulator session, lines 2-8 get nothing displayed on them. I know this is kind of tough to visualize. Is there a way I can send you some screenshots?
Nick B (Admin)

From: Utica, NY USA
Posts: 584
Member Since: 05/25/10

Extra Support Options
Custom Application Development

posted June 9, 2014 4:33 PM

Yes, please send screenshots of your issue into support@dart.com, in addition to screenshots from an application where the data is displayed as expected. Additionally, please send in a log file so we can reproduce this locally:

System.IO.FileStream fs = new System.IO.FileStream("Filepath here", System.IO.FileMode.Create, System.IO.FileAccess.Write);

private void telnet1_Log(object sender, DataEventArgs e)
{
if (e.Data.Direction == DataDirection.In)
   fs.Write(e.Data.Buffer, e.Data.Offset, e.Data.Count);
}
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