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 C1.Win.C1Document.Style.TextAngle" specifies not a right angle (not 0, 90, 180 or 270). Null indicates that direction will be autocalculated on the base of C1.Win.C1Document.Style.TextAngle" and fragment's size.

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

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

public System.Nullable<bool> VerticalLines {get; set;}