Window.Split Property (Word)
True if the window is split into multiple panes. Read/write Boolean.
Syntax
expression .Split
expression Required. A variable that represents a Window object.
Example
This example splits the active window into two equal-sized window panes.
ActiveDocument.ActiveWindow.Split = True
If the Document1 window is split, this example closes the active pane.
If Windows("Document1").Split = True Then
Windows("Document1").ActivePane.Close
End If