Can I use a vga cable to send dvi signal?

[dekoded]

Hi everyone, can anyone tell me if it's possible to send a dvi signal through a vga cable, 10mtrs long?

I already have a 10mtr vga cable connected to my PJ via a vga-dvi adapter as the PJ only has a dvi socket, but I would like to upgrade the signal to dvi, can I just use another vga-dvi adapter on the source end of the vga cable and if so would the signal be inferior to a straight through dvi connection

 

[hornydragon]

DVI-What? DVI-A is VGA DVI-D isnt and wont work over VGA cable as far as i know....

 

[dekoded]

A dvi video signal from a pc graphics card dvi socket.

Oh..I think I get it now

Even if I use a pc graphics card with a dvi output in an attempt to get a better quality image, I will still only be getting an analogue signal through the dvi output if I connect a vga cable (using a vga-dvi adapter) to it, is that right?

Do all dvi pc graphics cards output both an analogue and a digital signal from the same socket (the white one) ?