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- ****** GRPS/CONST (ERASE THE CONTENTS OF THE SCREEN) ******
- \
- THIS IS A VERY POWERFUL ERASE FUNCTION. USING IT YOU CAN
- ERASE THE ENTIRE CONTENTS OF THE SCREEN.
- REMEMBER THAT ALL THAT EXISTS ON THE SCREEN IS EITHER IN
- THE CONSTRUCTION AREA OR THE GROUPS AREA (TUTORIAL 2 & 8).
- <end>
- LET US DRAW SOME SHAPES IN GREEN IN CONSTRUCTION AREA AND
- SOME GROUPS IN RED IN THE GROUPS AREA AND DEMONSTRATE HOW
- A LOT OF INFORMATION CAN BE ERASED.
- <end>
- LET US SELECT THE FUNCTION ERASE "GRPS/CONST".
- <end>
- SELECT THE OPTION "CONST" TO ERASE THE CONTENTS OF THE
- CONSTRUCTION AREA (GREEN SHAPES) OR SELECT THE OPTION
- "GROUP" TO ERASE THE CONTENTS OF THE GROUPS AREA (THE RED
- SHAPES). YOU ARE GIVEN A WARNING EVERY TIME A SUBMENU OPTION
- IS SELECTED. PRESS ANY KEY TO ACKNOWLEDGE THE WARNING.
- TO ERASE SELECT "DO IT".
- <end>
- THE ERASURE OF THE CONSTRUCTION AREA HAS BEEN ACTIVATED.
- SELECT "DO IT" TO ERASE.
- <end>
- NOW LET US ERASE THE CONTENTS OF THE GROUPS AREA.
- SELECT ERASE "GRPS/CONST" FROM THE MENU.
- <end>
- SELECT THE OPTION "GROUP".
- <end>
- PRESS ANY KEY TO ACKNOWLEDGE THE WARNING AND SELECT "DO IT"
- TO ERASE THE RED SHAPES IN THE GROUPS AREA.
- <end>
- THE FUNCTION ERASE "GRPS/CONST" EXISTS IN THE SAME LOCATION
- ON THE MENUS OF BOTH CONSTRUCTION AND THE GROUPS AREA.
- \
- *********************** END OF LESSON **********************
- <end>