MohoDoc:IsStyleUsed(style, layer)
Version added: before 9.5
Arguments:
| Name | Type | Description | Default | Ver |
| style | M_Style | < 9.5 | ||
| layer | MohoLayer | the Layer to check - if layer is a group type all descendent child layers are included in the scope | NULL | < 9.5 |
Return value:
bool