<div dir="ltr"><p style="border:0px;font-family:'Segoe UI',Arial,sans-serif;margin:0px;padding:0px;vertical-align:top;min-height:19px;color:rgb(51,51,51);font-size:13px">Dear matroska,</p><p style="border:0px;font-family:'Segoe UI',Arial,sans-serif;margin:0px;padding:0px;vertical-align:top;min-height:19px;color:rgb(51,51,51);font-size:13px"></p><p style="border:0px;font-family:'Segoe UI',Arial,sans-serif;margin:0px;padding:0px;vertical-align:top;min-height:19px;color:rgb(51,51,51);font-size:13px">As title, it is possibly a issue of my program, but I need to figure out where is the root cause why the time bar can't work normally. </p><p style="border:0px;font-family:'Segoe UI',Arial,sans-serif;margin:0px;padding:0px;vertical-align:top;min-height:19px;color:rgb(51,51,51);font-size:13px">Ex: when I move time bar to 00:00:02, it will jump back to 00:00:00. </p><p style="border:0px;font-family:'Segoe UI',Arial,sans-serif;margin:0px;padding:0px;vertical-align:top;min-height:19px;color:rgb(51,51,51);font-size:13px"><br></p><p style="border:0px;font-family:'Segoe UI',Arial,sans-serif;margin:0px;padding:0px;vertical-align:top;min-height:19px;color:rgb(51,51,51);font-size:13px">1. The time bar works well when I use VLC player to render the file which I generate by my program.</p><p style="border:0px;font-family:'Segoe UI',Arial,sans-serif;margin:0px;padding:0px;vertical-align:top;min-height:19px;color:rgb(51,51,51);font-size:13px"><br></p><p style="border:0px;font-family:'Segoe UI',Arial,sans-serif;margin:0px;padding:0px;vertical-align:top;min-height:19px;color:rgb(51,51,51);font-size:13px">2. I feed the file I generate to mkvmerge and the muxing one can works well when I  move time bar. </p><p style="border:0px;font-family:'Segoe UI',Arial,sans-serif;margin:0px;padding:0px;vertical-align:top;min-height:19px;color:rgb(51,51,51);font-size:13px">   But I compare two file, they are almost the same.</p><p style="border:0px;font-family:'Segoe UI',Arial,sans-serif;margin:0px;padding:0px;vertical-align:top;min-height:19px;color:rgb(51,51,51);font-size:13px"><br></p><p style="border:0px;font-family:'Segoe UI',Arial,sans-serif;margin:0px;padding:0px;vertical-align:top;min-height:19px;color:rgb(51,51,51);font-size:13px">3. the link of the mkv file that I generate. only 972 KB</p><p style="border:0px;font-family:'Segoe UI',Arial,sans-serif;margin:0px;padding:0px;vertical-align:top;min-height:19px;color:rgb(51,51,51);font-size:13px"><a href="https://drive.google.com/file/d/0B-KiUVqHgXl5amxWZlJIaDBxeXc/view?usp=sharing">https://drive.google.com/file/d/0B-KiUVqHgXl5amxWZlJIaDBxeXc/view?usp=sharing</a></p><p style="border:0px;font-family:'Segoe UI',Arial,sans-serif;margin:0px;padding:0px;vertical-align:top;min-height:19px;color:rgb(51,51,51);font-size:13px"><br></p><p style="border:0px;font-family:'Segoe UI',Arial,sans-serif;margin:0px;padding:0px;vertical-align:top;min-height:19px;color:rgb(51,51,51);font-size:13px">4. the link of the mkv generated by mkvmerge. only 974 KB</p><p style="border:0px;margin:0px;padding:0px;vertical-align:top;min-height:19px"><font color="#333333" face="Segoe UI, Arial, sans-serif"><a href="https://drive.google.com/file/d/0B-KiUVqHgXl5cEJ2YVVIWWJMTzQ/view?usp=sharing">https://drive.google.com/file/d/0B-KiUVqHgXl5cEJ2YVVIWWJMTzQ/view?usp=sharing</a></font><br></p><p style="border:0px;margin:0px;padding:0px;vertical-align:top;min-height:19px"><font color="#333333" face="Segoe UI, Arial, sans-serif"><br></font></p><p style="font-size:13px;border:0px;font-family:'Segoe UI',Arial,sans-serif;margin:0px;padding:0px;vertical-align:top;min-height:19px;color:rgb(51,51,51)">5. environment</p><p style="font-size:13px;border:0px;font-family:'Segoe UI',Arial,sans-serif;margin:0px;padding:0px;vertical-align:top;min-height:19px;color:rgb(51,51,51)">OS: windows 7 </p><p style="font-size:13px;border:0px;font-family:'Segoe UI',Arial,sans-serif;margin:0px;padding:0px;vertical-align:top;min-height:19px;color:rgb(51,51,51)">WMP version: 12.0.7601.18840</p></div>