The Base Path property specifies a file path or URL to use for resolving relative paths in a template (for example, XSL on a template root directory, sql:mapping-schema attribute on a sql:xpath:query, external schema references in an inline schema, or Mapping Schema and XML Root properties).
object.Properties("Base Path") [= value]
object
Expression that evaluates to an object in the Applies To list.
value
String that specifies a file name or URL.
adBSTR
Read/write
SSPROP_STREAM_BASEPATH