id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc 2980,Controls in the right panel of a SplitControl are excessively repainted when the splitter is moved.,gkronber,," Reproduce: 1. Create an ItemCollection and add an ItemCollection (several times) 1. Open the view and select all contained items 1. Change the slider of the out-most splitcontainer -> All inner controls are repainted causing flicker and lags. 1. note that resizing the window works smoothly (related #2979)​",defect,new,medium,HeuristicLab 3.3.x Backlog,MainForm.WindowsForms,,,,