expression.NoShade
expression Required. An expression that returns a HorizontalLineFormat object.
Remarks
You can only use this property with horizontal lines that are not based on an existing image file.
Example
This example adds a horizontal line without any 3-D shading.
Selection.InlineShapes.AddHorizontalLineStandard
ActiveDocument.InlineShapes(1) _
.HorizontalLineFormat.NoShade = True