When you export objects, be sure that the objects have a color that will be visible on the target page. For example, if you are exporting to a page with a white background, be sure that the objects themselves are not white.
|vml_title||The title of the feature that may be displayed by the VML viewer. (The title appears as a ToolTip when the user places their mouse over the feature. Range: string Default: none|
|vml_url||The URL to jump to if this feature is clicked. Range: string Default: none|
|vml_target||The target frame in the URL. Range: string Default: none|
|vml_z_index||The z-index of the feature in the output VML file. Positive numbers are in front of the screen; negative numbers are behind the screen. Features having a higher z-index obscure features with a lower z-index. Range: integer Default: 0 for vml_polygon features 10 for vml_polyline features 11 for vml_point features 12 for vml_text features|