How to reproduce the issue:

1. open a Winform project in Visual Studio (i used v2019)
2. Drop a vertical SplitContainer into the Form.
3. Drop a "scottPlotUC" control into the right Panel.
4. Set Dock property to Fill for this plot control.
5. Compile and run the project.

Discover the following: when you drag and move the splitter bar, it moves as expected. However, only once! The next attempt fails. The only way to make the vertical splitter movable again, is to resize the whole Form window, by changing its width or height by the mouse. After such Window resize, you can again move the splitter. But only once!
What causes this behaviour? If I drop the simple MS Chart into the right Panel of the SplitContainer, it behaves as expected.
Thanks if you can fix this, and also thanks for the very useful package!
SiC_VQ_data_analyzer.zip