DOut(cMsg) --> nil:
~~~~~~~~~~~~~~~~~~

Functions:
~~~~~~~~~~
If it is enabled to write to dialog line, the centered text is written there.
The text is stored by later use with function SetDMsg(). The colors are
m->Color:Menu[nNormal], the SetColor() remains unchanged , the cursor too.

Parameter description:
~~~~~~~~~~~~~~~~~~~~~~
cMsg:  text to write to dialog line

Return value:
~~~~~~~~~~~~~
nil

Remarks:
~~~~~~~~
Use of dialog line can be disabled by SetDialog() function.

Source code is in file  Object3.prg