SplitPane1.LoadLayout("leftpane_layout")
SplitPane1.LoadLayout("middlepane_layout")
SplitPane1.LoadLayout("rightpane_layout")
SplitPane1.SetSizeLimits(0,100,150)
SplitPane1.SetSizeLimits(1,150,300)
SplitPane1.SetSizeLimits(2,100,200)
SplitPane1.DividerPositions = Array As Double(0.150,0.450,0.750)