Gets or sets a value indicating whether the lines of text should go from left to right or from right to left. This property is used only if TextAngle specifies not a right angle (not 0, 90, 180 or 270). Null indicates that direction will be autocalculated on the base of TextAngle, MaxWidth, MaxHeight.

'宣言
 
Public VerticalLines As System.Nullable(Of Boolean)

'使用法
 
Dim instance As C1TextLayout
Dim value As System.Nullable(Of Boolean)
 
value = instance.VerticalLines
 
instance.VerticalLines = value

public System.Nullable<bool> VerticalLines