Hi
@Cortello,
CC3+ is based upon the notation of styles. To avoid people having to search through tons of unrelated artwork that might not even fit the current drawing due to being very different in artistic style, only the artwork belonging to the current style is accessible by default.
However, all resources can be used in any map, CC3+ doesn't mind you doing so.
Let me start by symbols. To access symbols from another style, you can just open any symbol catalog manually by clicking the Open Symbol Catalog
button and manually browse for the catalog. Or, you can play with the filters. If you click the Symbol Catalog Settings
button, followed by Advanced, you'll see that you have a catalog settings filter, and a master filter. The master filter is basically the style, while the catalog settings filter is type of catalog, for example "furniture" or "vegetation" or "structures". Try for example to enter an asterisk (*) in both boxes and hit find now, and CC3+ will list every symbol catalog you have (This can take some time to load if you have lots of products). These filters match against the catalog names, so you can look at catalog names to figure out what you need.
The master filter is loaded with the map, while the catalog settings filter is used when clicking on the various symbol catalog buttons in the top toolbar. So if you change the master filter, you'll see that the top toolbar buttons load different styles. You can also load the predefined master filters CC3+ itself uses by right clicking Symbol Style Toggle
button and picking Master Filters, and from that dialog hit Load to see the different sets of master filters you have available (depends on installed products)
As for fills/textures , it is a bit different. All fills are defined in the map, and this definition points to external image files. You can manually add another fill to your map by clicking the fill style indicator in the status bar, go to the bitmap files tab, and hit new. However, if you want to import a set of fills from another style, the easiest is to abuse the insert file mechanic of CC3+, as this will copy fill style definitions over. Create a new blank map in the style that contains the fills you want, then in your real map, use Draw -> Insert file, and pick your blank file. and hit Ok. Now, with your empty map at the cursor ready to place, simply hit Esc, the fill styles are already copied over, and you don't need the actual entities from the blank map inserted.
As for both symbols and fills you can also import your own png files. Use Import png's from the Symbols menu to import symbols, and Import bitmap fill styles from the Tools menu to import a folder of fill files. Note that CC3+ references the images on disk, so make sure you have them where you intend them to be in the future.
Hope this helps, if not, don't be afraid to ask follow-up questions.