Declaration: 
void SelectPen(unsigned long handle, unsigned long color, int width=1, int style=PS_SOLID); 
Description 
Selects a pen for drawing with the specified parameters. The standard pen (a solid line with the width of 1) and the standard color are selected by default, when the window opens. Pens are used for drawing lines, circumferences, etc. 
Parameters: 
color 
width - the pen width; certain videoadapters face problems while drawing lines 
         with a width greater than 1; 
style - the line type: 
         PS_SOLID      - solid 
  
         PS_DOT        - dotted 
         PS_DASHDOT    - dash-and-dot 
         PS_DASHDOTDOT - dash-and-dot-and-dot 
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