ChooseColor( < nRGBDefColor >, < nFlags > ) -> < nRGBColor >
------------------------------------------------------------------------------


 PARAMETER:

  <nRGBDefColor> Is the color that will appear automatically when the 
                 DialogBox starts.

  <nFlags>       optional flags:

                 CC_FULLOPEN        Causes the entire dialog box to appear
                 ( 2 )              when the dialog box is displayed,
                                    including the portion that allows the 
                                    user to create custom colors

                 CC_PREVENTFULLOPEN Disables the Define Custom Colors
                 ( 4 )              button, preventing the user from
                                    creating custom colors. 

                 CC_SHOWHELP        Causes the dialog box to show the Help
                 ( 8 )              button


 RETURNS:

  <nRGBColor> is the RGB value of the color selected. If no selection is 
  is done, nRGBDefColor is returned.



 DESCRIPTION:

  The ChooseColor() function creates a system-defined dialog box from which 
  the user can select a color. The dialog box does not support color 
  palettes, the color choices offered by the dialog box are limited to 
  the system colors and dithered versions of those colors. 


 EXAMPLE:

     +-------------------------------------------------------------+
     |  /* Select a color */                                       |
     |                                                             |
     |  nRgb := ChooseColor( CLR_CYAN )                            |
     |                                                             |
     +-------------------------------------------------------------+