private void trackBar1_MouseUp(object sender, MouseEventArgs e) { if (f == null) { return; } if (f.Traces == null) { if (!f.isSEGY()) { return; } scanSEGY(); } int val = this.trackBar1.Value; toolStripStatusLabel1.Text = " Current Trace #" + val.ToString(); f.GoToStartOfTrace(val); f.ReadNextTrace(); refreshTraceHeader(); }