Working with the Diagram Window


        Drawing and Manipulating Components

        Select the Component Icon from the Toolbox or choose a
        Component name from the Toolbox Menu. Use either the mouse or
        keyboard.

        If you want to:        Do this with the mouse:

        Draw new Component     Click and hold down mouse button on
                               vacant area of page, drag Component
                               outline to final location and release
                               button.

        Move Component to new  Click and hold down mouse button on
        location               Component, drag Component outline to
                               new location and release button.

        Add, change or view	   Double-click mouse button on Component.
        Data Dictionary		   Fill in the dialog box that pops up.
        information for a
        Component              
                               



        Make Component larger  Hold down the CTRL key, click and hold
                               down the mouse button on the Component,
                               drag Component outline until new size
                               is reached and release button.

        Make Component smaller Hold down both the SHIFT and CTRL keys,
                               click and hold down the mouse button on
                               the Component, drag Component outline
                               until new size is reached and release
                               button.

        Make an exact copy of  Hold down the SHIFT key, click and hold
        a Component            down the mouse button, drag outline of
                               copied Component to proper location and
                               release button.

        Each mouse action has a keyboard equivalent. If you do not have
        a mouse, or wish to use the keyboard rather than the mouse,
        substitute the following keystrokes for each mouse action given
        above.

                                                        Quick Reference 19


           Instructions for mouse:Keyboard equivalent:

           Move mouse pointer to  Press ARROW KEY in the desired
           point to Component or  direction. Hold down key for continuous
           other area of window   motion.
                                  

           Move mouse pointer	  Hold down CTRL and press arrow key in
           directly to an edge of the desired direction.
           the window             
                                  


           Click and hold down	  Press and hold down SPACEBAR.
           button                 


           Hold down ctrl. Press  Hold down CTRL. Press and hold down
           and hold down button   SPACEBAR. Release the CTRL key once the
                                  SPACEBAR is pressed.

           Hold down shift and	  Hold down both SHIFT and CTRL. Press
           ctrl. Press and hold	  and hold down SPACEBAR. Release the
           down button            SHIFT and CTRL keys once the SPACEBAR
                                  is pressed.

           Release button         Release SPACEBAR.

           Drag                   Press ARROW KEYS while holding down
                                  SPACEBAR.

           Double-click button    Press ENTER.

           Cancel Selection       Press ESC.


           Drawing and Manipulating Data Flows

           Select the Data Flow Icon from the Toolbox or choose Data Flow
           from the Toolbox Menu. Use either the mouse or keyboard.

           If you want to:        Do this:

           Connect two Components Click on source and then destination
           with a Data Flow line  Components. Line will be drawn between
                                  the two Components. Line connects to
                                  each Component at a default location.

           Connect two Components Hold down CTRL while clicking on each
           at specific locations  Component as above. Line connects to
           on each Component      the Component at the points on its
                                  perimeter nearest to the mouse pointer
                                  location when the button was clicked.

                                                        Quick Reference 20



        Choose a single Data   Choose from a list of Data Flow names
        Flow for manipulation  that pops up if there is more than one
        from group of Data	   choice available.
        Flows that connect any
        two objects            
                               
                               



        Remove a Data Flow	   Click on source and then destination
        line                   Components. Choose name of Data Flow to
                               be deleted from dialog box, click on
                               Delete. Line will be erased between the
                               two Components.

        Split line into		   Hold down shift and click first on
        segments so that line  source and then on destination end
        may be bent            point. Small "+" will appear at line
                               midpoint. Line may be further sub-
                               divided by using the "+" symbol as an
                               end point and following the same
                               procedure.

        Re-route line segment  Click on the "+" symbol which forms end
                               point of a line segment. Hold down
                               button and drag it to a new location,
                               line follows new routing.

        Straighten out line by Double-click on the "+" symbol which
        removing segments      divides the line into segments. The
                               segment point will be removed and the
                               line will follow the path marked by
                               remaining "+" points.


        Data Dictionary Access

        When the Data Dictionary is enabled, each Component and Data
        Flow may have Data Dictionary information.

        If you want to:        Do this:

        Supply Data Dictionary Fill in the Data Dictionary dialog box
        information for new	   that pops up when the new Component or
        Component or Data Flow Data Flow is added and click on the OK
                               button.

        Defer addition of	   Click on the Cancel button when the
        Dictionary Information Data Dictionary dialog box pops up.
        for new Component or
        Data Flow              
                               



        Change Data Dictionary Select the Component Tool from the
        information for a	   Toolbox and double-click on the
        Component              Component. The Data Dictionary dialog
                               box will pop up.

                                                        Quick Reference 21



           Change Data Dictionary Select the Data Flow Tool from the
           information for a Data Toolbox. Double-click on the Source
           Flow                   Component and then the Destination
                                  Component for the Data Flow. The Data
                                  Dictionary dialog box will pop up.

           Browse through the	  Choose the Browse command from the
           Data Dictionary		  Dictionary menu.
           entries