If you send me a private message, I will try to reply with a DWG 
attached, it's 101KB in size, and a schematic for a PIC system. It has 
both raster and vector, many layers, colors, etc.

Google for ACAD sample drawings, there are many simple symbol drawings 
there that are normally inserted, rather than make your own symbols. 
They include transformers, diodes, resistors, etc. for electronics, but 
there are many other specialties out there. The symbols are normally 
inserted as what is known as a "block".

On 4/2/2010 6:06 PM, Michael Watterson wrote:
> Carl Denk wrote:
>    
>> The DXF may contain many layers, with different attributes (Color, line
>> type ,continuous, dashed, center line, etc). One layer may be the
>> outline, another dimensions, a third text, just to start. With a click
>> of a mouse or keyboard entry, layers can be turned on/off, frozen.
>> Importing to PSP7, does all this end up on one layer. What happens to
>> raster items?
>>
>>      
> I have no suitable file to test.
> However you may have a large number of separate raster and/or vector
> layers. In theory it could import to separate layers. I have no idea if
> it does. Corel bought PSP and now has a version 10 or 11 or so, but I
> heard nothing much of value added since version 8.  In PSP you can hide,
> reorder, delete, vary opacity, merge/flatten layers. Also works well
> with wacom pressure tablet. You can use pressure in various ways or turn
> it off.
> However my ancient IMSI TurboCad is much better for mechanical drawings
> and has some 3D support and imports older versions of DWG /DXF files I
> think.
>
>    
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