constants AllowSplitViewEnum
The AllowSplitViewEnum type specifies how many vertically split-panels the control support. The AllowSplitView property specifies whether the user can split the control into multiple-views. The AllowSplitViewEnum type supports the following values:

NameValueDescription
exNoSplitView0 No vertically split-view is allowed.
exAllowOneSplitView1 One additional vertically split-panel is allowed.
exAllowTwoSplitView2 Two additional vertically split-panel are allowed.