Base 10 to Base 2 - Will It Fit Method
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Visual Basic

Recordings for Computer Science I at Huntington North (Indiana) High School

  • Base 10 to Base 2 - Will It Fit Method

    01/18/2019 | 03:21

    Converting Base 10 (Decimal) numbers to Base 2 (Binary) numbers

    Base 10 to Base 2 - Will It Fit Method

    Created 01/18/2019

  • Multiple Forms

    03/29/2017 | 12:21

    Implementing multiple forms in a program. A continuation of the Dog Pictures program started at http://screencast-o-matic.com/watch/cbe0c76GIG

    Multiple Forms

    Created 03/29/2017
    Chapters
    Transcript
    0:00:06 Renaming a form (right-click in the Solution Explorer)
    0:00:34 Adding a form to a project
    0:04:03 Selecting a start-up form - this also affects the impact of Me.Close( )
    0:05:10 Creating an instance of a new form
    0:05:35 Displaying a form with .ShowDialog( ) - also called modal
    0:06:31 Displaying a form with .Show( ) - also called modeless
    0:07:26 Example of how execution in a sub is suspended with .ShowDialog( ), but not suspended with .Show( )
    0:08:16 Accessing controls on a different form
    0:09:17 Me.Hide( )
    0:10:26 FormClosing event
    0:10:50 Checking DialogResult for a MessageBox - using MessageBoxButtons.YesNo

  • Menu Items

    03/23/2017 | 14:19

    Introduce menu items (MenuStrip & ContextMenuStrip). Shell program available at http://bowerpower.net/compprog1/vb07/DogPictures.zip

    Menu Items

    Created 03/23/2017
    Chapters
    Transcript
    0:00:10 Adding a MenuStrip from the Toolbox
    0:00:24 Naming a top-level menu item with mnu______
    0:00:39 Menu items under other menu items (including how to name them)
    0:02:13 Shortcut keys for menu items
    0:07:40 Rearranging menu items
    0:07:49 Inserting a separator bar
    0:08:25 Checked menu items
    0:09:57 Context menu (a pop-up menu for right-clicks)
    0:13:08 Disable/enable a menu item

  • Passing ByRef (by reference)

    03/16/2017 | 09:18

    Passing arguments to subs/procedures ByRef (by reference) - can also be done with functions. Shell program available at www.bowerpower.net/compprog1/vb06/DiceGame.zip

    Passing ByRef (by reference)

    Created 03/16/2017
    Chapters
    Transcript
    0:01:31 Writing parameters using ByRef so arguments are passed by reference
    0:03:12 Using the parameter variable (intDieValue) to affect the argument variable (intPointsDie1 in btnRollDice_Click)
    0:03:38 Using the parameter variable (picDie) to affect the argument variable (picDie1 in btnRollDice_Click)
    0:05:43 Activating/calling the RollOneDie sub - the arguments will be passed byRef (by reference) so any changes made in the RollOneDie sub will also impact the argument variables in the RollDice_Click sub
    0:08:01 Using a breakpoint to watch the values of the variables change

  • Introduction to Functions

    03/01/2017 | 14:59

    Writing functions. Shell program available at http://bowerpower.net/compprog1/vb06/RightTriangleInformation.zip

    Introduction to Functions

    Created 03/01/2017
    Chapters
    Transcript
    0:01:12 Writing a function that calculates and returns the hypotenuse of a right triangle
    0:02:23 Documenting a function
    0:03:38 A function must return a value
    0:03:50 Calling/activating the calcHypotenuse( ) function
    0:04:52 Writing a function that calculates and returns the perimeter of a triangle
    0:06:45 Calling/activating the calcPerimeter( ) function
    0:07:24 Writing a function that calculates and returns the area of a right triangle
    0:09:18 Calling/activating the calcArea( ) function
    0:09:57 Writing a function that takes two Double parameters and returns a String message about which leg of a right triangle is longer (or if they are equal)
    0:12:04 Calling/activating the CompareLegs( ) function
    0:13:13 Keeping a form at one size
    0:14:28 Functions can often be used in other programs.

  • Passing Arguments to a Sub Procedure

    02/11/2016 | 09:48

    Sending information to a sub procedure (arguments - the information that is sent; parameters - the parking places where data arrives). This is a continuation of the ComboBox program.

    Passing Arguments to a Sub Procedure

    Created 02/11/2016
    Chapters
    Transcript
    0:01:32 Declaring a parameter variable in the parentheses - a parking space expecting information to arrive when the sub is activated/called
    0:02:03 Sending information (argument) to a sub procedure
    0:03:34 Using multiple parameter variables - separate with commas and must assign a type (String, Integer, Boolean, Button, PictureBox, etc.)
    0:03:54 Sending multiple pieces of information (parameters) to a sub procedure - the order does make a diference
    0:06:00 A strategy to display random sentences
    0:08:30 Documenting a sub procedure - 1) explain what it does, and 2) describe the parameter variables

  • 6.2 Using a ComboBox

    02/09/2016 | 10:35

    Using a ComboBox; three types of DropDownStyles - DropDown, Simple, & DropDownList; reset a ComboBox. Shell program available at http://bowerpower.net/compprog1/vb06/CreatingSentences.zip

    6.2 Using a ComboBox

    Created 02/09/2016
    Chapters
    Transcript
    0:00:12 Adding a ComboBox to the form
    0:00:48 Adding items to a ComboBox
    0:01:16 Sorting items in a ComboBox
    0:01:31 DropDownStyle - DropDown (this is the default)
    0:02:25 DropDownStyle - Simple
    0:03:36 DropDownStyle - DropDownList
    0:04:21 TabOrder with a ComboBox
    0:04:52 Using the selected items (or typed in data) from a ComboBox with the .Text property
    0:08:02 Reset a ComboBox

  • Writing Procedures/Subs

    02/09/2016 | 13:17

    Introduction procedures/subs - how to write them and how to activate (call) them. Shell program available at http://bowerpower.net/compprog1/vb06/MusicalInstruments.zip

    Writing Procedures/Subs

    Created 02/09/2016
    Chapters
    Transcript
    0:01:57 Writing a procedure/sub
    0:01:57 Writing a procedure/sub
    0:02:36 Activating (calling) a procedure/sub
    0:02:36 Activating (calling) a procedure/sub
    0:07:26 Utilizing .Tag property to determine which procedure/sub to activate
    0:11:13 Reusing a procedure by activating (calling) it in more than one place

  • Handling Multiple Events with One Event Handler

    01/27/2016 | 06:57

    Using one procedure to handle multiple events. Shell program available at http://bowerpower.net/compprog1/vb06/StateCapitals.zip

    Handling Multiple Events with One Event Handler

    Created 01/27/2016
    Chapters
    Transcript
    0:00:36 Adding multiple event handlers to one procedure (in this program, putting the same code from five button click events in just one button click event)
    0:04:04 Using the Tag property of a button
    0:04:47 Determining which button was clicked using sender - notice the (sender as Object, e as EventArgs)
    0:05:30 Getting the city name from the Tag property

  • Intro to For Loops

    01/21/2016 | 12:33

    Writing a For...Next loop; using different step values; summing values in a listbox; nested loops; multi-column listbox. Shell program at http://bowerpower.net/compprog1/vb05/IntroToForLoops.zip

    Intro to For Loops

    Created 01/21/2016
    Chapters
    Transcript
    0:00:17 Writing a For loop (these loops are good when we know how many times/iterations a loop needs to happen)
    0:01:55 Using a variable as a stopping value (also can use a variable as a starting value)
    0:03:10 Starting value can be any number (doesn't have to be 1 or 0)
    0:03:52 Count/step by +2 instead of the default count/step of +1
    0:04:43 Count/step by -1 (backward) instead of the default count/step of +1
    0:05:41 Variable scope
    0:06:34 A loop should have documentation explaining its purpose/what it will do
    0:07:30 Finding the sum of the numeric values in a listbox
    0:09:30 Nested For loops (a For loop inside another For loop)
    0:11:56 The MultiColumn property of a listbox (horizontal scrollbar at bottom)

  • ListBox Double-Click Event

    01/18/2016 | 05:01

    Implementing a double-click event for a ListBox. Shell program available at http://bowerpower.net/compprog1/vb05/LBoxDblClk.zip

    ListBox Double-Click Event

    Created 01/18/2016
    Chapters
    Transcript
    0:00:14 In design time, double-clicking on a ListBox creates a CheckChanged event... but that's not what we want this time.
    0:00:25 Selecting from a list of controls/objects, then selecting from all the possible events for that control/object
    0:00:50 Use .SelectedItem to display what was double-clicked
    0:01:38 Use .SelectedIndex to display the index/position of what was double-clicked
    0:02:32 Un-select items by setting .SelectedIndex = -1
    0:03:22 Use .Items.Count property to make sure the ListBox isn't empty (can't get .SelectedItem or .SelectedIndex if there are no items in the ListBox - the program will crash)

  • Using a ListBox (Part 2)

    01/10/2016 | 08:52

    Using a ListBox - inserting items, removing items at a certain index. Shell program available at http://bowerpower.net/compprog1/vb05/UsingAListBox.zip

    Using a ListBox (Part 2)

    Created 01/10/2016
    Chapters
    Transcript
    0:00:06 A scrollbar automatically appears when the list is larger than the size of the ListBox
    0:00:44 .Insert (put a new item in the list at a certain index - useful when you want to place the item somewhere besides the end of the list)
    0:06:19 .RemoveAt (remove an item from the ListBox at a particular index)

  • Using a ListBox (Part 1)

    01/10/2016 | 10:45

    Using a ListBox - adding items, determining selected index and selected item, removing an item, and clearing the list. Shell program available at http://bowerpower.net/compprog1/vb05/UsingAListBox.zip

    Using a ListBox (Part 1)

    Created 01/10/2016
    Chapters
    Transcript
    0:00:10 Putting a ListBox on a form (the three-letter prefix is lst)
    0:00:40 Adding items to the ListBox when designing the program
    0:01:31 .Count property (counts the number of items in the ListBox)
    0:02:13 .SelectedIndex property (the index of the item in the ListBox that is currently highlighted - if no item is selected, it will return -1)
    0:04:19 .SelectedItem property (the item in the ListBox that is currently highlighted).
    0:06:13 .Add (adds an item to the end of the list in the ListBox)
    0:08:05 .RemoveItem (removes an item from the ListBox - if the item isn't in the list, nothing happens)
    0:10:14 .Clear (removes all the items from the ListBox)

  • InputBox & Do...Until or Do...While Loops

    11/30/2015 | 09:23

    Using an InputBox and an introduction to Do...Until and Do...While loops. Shell code for program available at http://bowerpower.net/compprog1/vb05/InputBoxExample.zip

    InputBox & Do...Until or Do...While Loops

    Created 11/30/2015
    Chapters
    Transcript
    0:00:39 Assigning the response to an InputBox to a String variable
    0:01:55 Editing the title/caption of an InputBox
    0:02:26 Editing the default response of an InputBox
    0:04:09 Using a Do...Until loop to control user input - no escape from loop until we get what we want
    0:05:45 Using a Do...While loop to control user input - no escape from loop while we keep getting what we don't want
    0:06:51 Using a separate variable to hold the response to an InputBox

  • Timer & ToolTip Example

    11/24/2015 | 11:32

    How to use a Timer and ToolTip. Shell code for program available at http://bowerpower.net/compprog1/vb05/TimerAndToolTip.zip

    Timer & ToolTip Example

    Created 11/24/2015
    Chapters
    Transcript
    0:00:17 Adding a Timer control (it appears at the bottom)
    0:00:28 Interval is in milliseconds (1000 milliseconds = 1 second; 100 milliseconds = 1/10 second)
    0:00:47 Starting a timer
    0:01:32 Stopping a timer
    0:02:12 Using a counter variable to keep track of elapsed time
    0:03:25 Reset a "stopwatch"
    0:09:33 Adding a ToolTip control
    0:09:55 Editing a control's ToolTip

  • TryParse Methods

    11/14/2015 | 11:24

    Using Integer.TryParse( ) and Double.TryParse( ) to convert String data to a numeric data type. The shell program is available at http://bowerpower.net/compprog1/vb04/TryParseMethods.zip

    TryParse Methods

    Created 11/14/2015
    Chapters
    Transcript
    0:01:13 Using Integer.TryParse( ) to convert String data to an integer. If the data can be converted, then TryParse assigns the converted data to the integer variable and returns TRUE (that's why it is handy to use with IF statements); if TryParse can't convert the data, nothing is assigned to the variable and it returns FALSE.
    0:06:01 Using Double.TryParse( ) to convert String data to an double. If the data can be converted, then TryParse assigns the converted data to the double variable and returns TRUE (that's why it is handy to use with IF statements); if TryParse can't convert the data, nothing is assigned to the variable and it returns FALSE.

  • Invisible RadioButton & RadioButton_Click event

    11/13/2015 | 06:58

    Using an invisible RadioButton (making its checked property = true so it appears that no RadioButtons are checked). Using the Click event (instead of CheckChanged event) for RadioButtons. Download shell program at http://bowerpower.net/compprog1/vb04/InvisibleRadioButton.zip

    Invisible RadioButton & RadioButton_Click event

    Created 11/13/2015
    Chapters
    Transcript
    0:00:34 Using an Image variable (imgSomething)
    0:01:27 Using the Click event (instead of CheckChanged) for a RadioButton
    0:02:59 Getting to an event procedure without double-clicking on a control
    0:04:01 Implementing an invisible RadioButton

  • String Methods and RadioButtons

    11/11/2015 | 14:58

    Using RadioButtons in a GroupBox; String methods, including .ToUpper, .ToLower, .Length, .IndexOf(), .Substring(). Also IsNumeric() Shell program located at http://bowerpower.net/compprog1/vb04/StringMethodsAndRadioButtons.zip How could you use an IF block to address a program that crashes when it searches for a subtring that is longer than the original string (try using a three-letter word in the program we created - it should crash)?

    String Methods and RadioButtons

    Created 11/11/2015
    Chapters
    Transcript
    0:00:43 Validate input (make sure users put something in textboxes)
    0:02:34 Comparing strings with = , &lt;, &gt;
    0:05:31 Add a GroupBox and two RadioButtons (three-letter prefix for RadioButtons is rad)
    0:06:44 When a group of RadioButtons is in a GroupBox, exactly one of them must be checked
    0:07:28 Use if to discover which RadioButton is checked
    0:08:13 .ToUpper and .ToLower
    0:09:29 .Length - how many characters are in a String
    0:10:04 .IndexOf( ) - looking for the position/index of a specific character or substring (group of characters)
    0:12:37 IsNumeric(put a String in here to check out)
    0:14:31 .Substring - finding a smaller string inside a larger string

  • Select Case (Random Colors)

    11/09/2015 | 07:18

    Using Select Case; implementing a static variable. Shell program available at http://bowerpower.net/compprog1/vb04/RandomColorsSelectCase.zip

    Select Case (Random Colors)

    Created 11/09/2015
    Chapters
    Transcript
    0:00:58 Select Case
    0:03:13 Case #, #, #
    0:04:08 Case # to #
    0:05:05 Case Else
    0:06:01 Static variable

  • Random Numbers 1

    10/26/2015 | 12:50

    Introduction to random numbers using .nextDouble() and .next() Shell program is at http://bowerpower.net/compprog1/vb04/RandomNumbers.zip . Song files available at http://bowerpower.net/compprog1/vb04/RandomNumberSongs.zip

    Random Numbers 1

    Created 10/26/2015
    Chapters
    Transcript
    0:00:34 Creating a Random object
    0:01:16 Using .nextDouble()
    0:01:53 Using .next() with one number (one argument) in the ()
    0:02:43 Using .next() with two numbers (two arguments) in the ()
    0:05:48 AudioPlayMode options (BackgroundLoop, Background, or WaitToComplete)
    0:07:14 Importing WAV files into VB projects
    0:08:01 Using If-ElseIf to turn random numbers into random songs

  • Dog Years to Human Years Part 2 (IF-ELSE)

    10/21/2015 | 02:08

    Introduction to IF-ELSE statements; Shell program available at http://tinyurl.com/q4v9h99

    Dog Years to Human Years Part 2 (IF-ELSE)

    Created 10/21/2015

  • Dog Years to Human Years Part 3 (IF-ELSEIF)

    10/21/2015 | 11:33

    Introduction to IF-ELSEIF statements; flag variable; using conditional operators (Not, And, Or). Shell program available at http://tinyurl.com/q4v9h99

    Dog Years to Human Years Part 3 (IF-ELSEIF)

    Created 10/21/2015
    Chapters
    Transcript
    0:00:00 Using ElseIf
    0:03:42 Flag variable
    0:07:25 Using Not as a conditional operator
    0:08:31 Using And as a conditional operator
    0:09:55 Using Or as a conditional operator

  • Dog Years to Human Years Part 1 (IF)

    10/19/2015 | 09:14

    Introduction to IF statements; using TextChanged events; Shell program available at http://tinyurl.com/q4v9h99

    Dog Years to Human Years Part 1 (IF)

    Created 10/19/2015
    Chapters
    Transcript
    0:02:31 Typing an IF statement
    0:05:45 TextChanged event for a TextBox

  • Debugging Introduction VB

    09/23/2015 | 08:25

    Introduction to debugging in Visual Basic (with breakpoints)

    Debugging Introduction VB

    Created 09/23/2015
    Chapters
    Transcript
    0:00:42 Add breakpoint
    0:01:50 Mouse hover to see values
    0:05:49 Add watch

  • Button Clicking Fun

    09/21/2015 | 13:47

    Turning on Word Wrap; more about MessageBox; class-level (called global in this video) variables; counter variables; running total variables; clear/reset labels and global variables

    Button Clicking Fun

    Created 09/21/2015
    Chapters
    Transcript
    0:00:51 Turning on Word Wrap
    0:01:25 More about MessageBox (including captions, button options, & icon options)
    0:04:23 Class-level (called global in this video) variables
    0:05:39 Counter variables using +=1
    0:08:40 Running total variables using += amount to add (or -= amount to subtract)
    0:10:36 Clear/reset labels and global variables

  • Shipping Shoes Part 2 VB

    09/14/2015 | 07:02

    Using Const to declare constant (final) values; try-catch blocks

    Shipping Shoes Part 2 VB

    Created 09/14/2015
    Chapters
    Transcript
    0:00:00 Using Const to declare constant (final) values
    0:02:51 Introduction to try-catch blocks

  • Shipping Shoes Part 1 VB

    09/11/2015 | 14:45

    Shipping shoes - every 100 pairs of shoes are sent in a crate; leftover shoes are sent in boxes. Integer division ( \ ); modulus division (mod); converting data with CInt() and CStr()

    Shipping Shoes Part 1 VB

    Created 09/11/2015
    Chapters
    Transcript
    0:02:21 How can we determine what variables we will need?
    0:05:15 Getting numeric data out of a textbox - need to convert String to numeric
    0:06:47 Using integer division ( \ ) and modulus division (mod)
    0:09:44 Display numeric information - need to use CStr() to convert to String to put in label
    0:10:43 Coding CLEAR (or reset) event
    0:12:44 Review of regular division ( / )

  • Calculations

    09/10/2015 | 14:06

    Set Option Strict to true; perform basic mathematical operations; convert numeric data to String

    Calculations

    Created 09/10/2015
    Chapters
    Transcript
    0:00:00 Set Option Strict to true
    0:08:12 Writing mathematical operations
    0:10:02 Convert numeric data to String

  • Textbox - Day 2

    09/09/2015 | 14:58

    Clearing data from textboxes and labels; focus; tab order; accept and cancel buttons; access keys

    Textbox - Day 2

    Created 09/09/2015
    Chapters
    Transcript
    0:02:32 Clearing data from textboxes and labels
    0:06:45 Assigning focus to a textbox
    0:08:15 Editing tab order
    0:11:25 Assigning accept and cancel buttons
    0:13:18 Access keys

  • Textbox - Day 1

    09/09/2015 | 14:45

    Adding textboxes and declaring String variables

    Textbox - Day 1

    Created 09/09/2015
    Chapters
    Transcript
    0:03:25 Adding textboxes
    0:05:59 Text align property (left, center, or right)
    0:11:51 Declaring a String variable
    0:12:46 Assigning values to variables
    0:13:31 Putting Strings together (concatenation)
    0:14:13 Adding a space between Strings we put together

  • Enable & Disable Buttons (Button Stuff 2)

    08/26/2015 | 10:41

    Enabling/disabling buttons; border styles for labels; flat style for buttons

    Enable & Disable Buttons (Button Stuff 2)

    Created 08/26/2015
    Chapters
    Transcript
    0:08:19 Flat style for buttons
  • Base 10 to Base 2 - Will It Fit Method
    01/18/2019 | 03:21
    Base 10 to Base 2 - Will It Fit Method
    03:21 >

  • Multiple Forms
    03/29/2017 | 12:21
    Multiple Forms
    12:21 >

  • Menu Items
    03/23/2017 | 14:19
    Menu Items
    14:19 >

  • Passing ByRef (by reference)
    03/16/2017 | 09:18
    Passing ByRef (by reference)
    09:18 >

  • Introduction to Functions
    03/01/2017 | 14:59
    Introduction to Functions
    14:59 >

  • Passing Arguments to a Sub Procedure
    02/11/2016 | 09:48
    Passing Arguments to a Sub Procedure
    09:48 >

  • 6.2 Using a ComboBox
    02/09/2016 | 10:35
    6.2 Using a ComboBox
    10:35 >

  • Writing Procedures/Subs
    02/09/2016 | 13:17
    Writing Procedures/Subs
    13:17 >

  • Handling Multiple Events with One Event Handler
    01/27/2016 | 06:57
    Handling Multiple Events with One Event Handler
    06:57 >

  • Intro to For Loops
    01/21/2016 | 12:33
    Intro to For Loops
    12:33 >

  • ListBox Double-Click Event
    01/18/2016 | 05:01
    ListBox Double-Click Event
    05:01 >

  • Using a ListBox (Part 2)
    01/10/2016 | 08:52
    Using a ListBox (Part 2)
    08:52 >

  • Using a ListBox (Part 1)
    01/10/2016 | 10:45
    Using a ListBox (Part 1)
    10:45 >

  • InputBox & Do...Until or Do...While Loops
    11/30/2015 | 09:23
    InputBox & Do...Until or Do...While Loops
    09:23 >

  • Timer & ToolTip Example
    11/24/2015 | 11:32
    Timer & ToolTip Example
    11:32 >

  • TryParse Methods
    11/14/2015 | 11:24
    TryParse Methods
    11:24 >

  • Invisible RadioButton & RadioButton_Click event
    11/13/2015 | 06:58
    Invisible RadioButton & RadioButton_Click event
    06:58 >

  • String Methods and RadioButtons
    11/11/2015 | 14:58
    String Methods and RadioButtons
    14:58 >

  • Select Case (Random Colors)
    11/09/2015 | 07:18
    Select Case (Random Colors)
    07:18 >

  • Random Numbers 1
    10/26/2015 | 12:50
    Random Numbers 1
    12:50 >

  • Dog Years to Human Years Part 2 (IF-ELSE)
    10/21/2015 | 02:08
    Dog Years to Human Years Part 2 (IF-ELSE)
    02:08 >

  • Dog Years to Human Years Part 3 (IF-ELSEIF)
    10/21/2015 | 11:33
    Dog Years to Human Years Part 3 (IF-ELSEIF)
    11:33 >

  • Dog Years to Human Years Part 1 (IF)
    10/19/2015 | 09:14
    Dog Years to Human Years Part 1 (IF)
    09:14 >

  • Debugging Introduction VB
    09/23/2015 | 08:25
    Debugging Introduction VB
    08:25 >

  • Button Clicking Fun
    09/21/2015 | 13:47
    Button Clicking Fun
    13:47 >

  • Shipping Shoes Part 2 VB
    09/14/2015 | 07:02
    Shipping Shoes Part 2 VB
    07:02 >

  • Shipping Shoes Part 1 VB
    09/11/2015 | 14:45
    Shipping Shoes Part 1 VB
    14:45 >

  • Calculations
    09/10/2015 | 14:06
    Calculations
    14:06 >

  • Textbox - Day 2
    09/09/2015 | 14:58
    Textbox - Day 2
    14:58 >

  • Textbox - Day 1
    09/09/2015 | 14:45
    Textbox - Day 1
    14:45 >

  • Enable & Disable Buttons (Button Stuff 2)
    08/26/2015 | 10:41
    Enable & Disable Buttons (Button Stuff 2)
    10:41 >