1. Program Design
For Event Driven
Programming
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2. Your Design
Should include the following:
1. Labelled GUI Sketches
2. A Control Dictionary
3. A Data Dictionary
4. A description of program flow: One of an
Action List, Jackson Structure
Diagram, flow-chart or pseudo-code:
5. A Test Plan
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3. GUI Sketches
All controls must be labelled!
pctBounce
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4. Control Identifiers
All Controls should be named using a 3 letter
prefix with a descriptive name (so not txt1)
Button btn e.g. btnQuit
Label lbl e.g. lblResult
TextBox txt e.g. txtName
Picturebox pct e.g. pctEnemy
Timer tmr e.g. tmrMove
MenuItem mnu e.g. mnuSave
Radiobutton rdo e.g. rdo80Gb
Combobox cbo e.g.cboThree
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5. Control Dictionary
Details of: Name, Type, Purpose and Properties.
Include any Properties of a control that you change
(e.g. timer interval)
Name Type Purpose Properties
Form1 Form Contains the main game playing Size = 600 x 500
area
tmrCountdown Timer Counts down from 60 to 0 to Enabled = True
time-out the game. Interval = 1000
… … … …
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6. A Data Dictionary
Table with details of: Name, Type and Purpose
Name Type Purpose
vmove Integer The number of pixels pctBounce will be
moved on the Y axis.
… … …
All important variables should be included
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7. Action List
All event need to be described:
Form Trigger Event Handler Description
Login OK button btnOK_Click() The username and password the user has
clicked entered into the text boxes txtUserName
and txtPass are checked against the
correct response (“User1” and “access”).
If correct, the Login form is closed and the
main form opened.
If incorrect the number of incorrect
counts (intWrongGuess) has 1 added.
If there are 3 incorrect attempts the Form
is closed.
Form1 Timer tmrCountDown_tick() Countdown (intTimeLeft) is decreased by
counts down one and the result shown (lblTime).
1 second If intTimeLeft = 0, the final score is shown
(lblScore) and the timer is stopped.
… … … …
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