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Special emphasis is placed on comparing and contrasting Visual Basic. NET is presented using a combination of over pages of course notes and over Visual Basic. NET examples and applications. NET, you should possess a working knowledge of Windows and have had some exposure to programming concepts. Full Specifications. What's new in version 2. Release December 5, Date Added March 3, Version 2.

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The results of these procedures are returned back to other screen objects, e. A procedure attached to an object, such as a button, is a command used to make something happen, e.

Show where FormXX is the new form name. Activity 2 1. Open a new form and change its name to ColourChanger.

Place the following objects on this form. Use cut and paste to make the task easier. Value, HScroll2. Value, HScroll3. Value Label5. Value Label1. Value, - HScroll2. Value, - HScroll3. Value, 0, 0 Label3. Value, 0 Label4. Value 3. Use the Project Explorer window to return to your main form and double click example 2 in your menu to add the appropriate code.

Save and backup. Naming conventions Up till now, we have often accepted default names, Text1, Label1, etc. In a big project, this is not good practice as it makes the code harder to read or maintain. Naming conventions use a prefix of three lowerCase letters to identify the type of control, followed by a meaningful name.

A variable can only hold one datatype. A program can have as many variables as you need but before you can use a variable it must be declared. True or False e. Often called double-precision. Often called single-precision. Visual Basic includes many built-in functions intrinsic functions. Some perform basic mathematical tasks. Others manipulate string data such as converting text to upperCase or lowerCase letters.

An argument is a value you pass to a function so the function has data to work with. Function names have parentheses at the end to hold the function arguments.

Even if a function has no arguments, the parenthesis are required. Two intrinsic functions include message boxes and input boxes. Activity 3: Message and input boxes Message and input boxes are intrinsic functions in Visual Basic 6. Follow the instructions Add new form to menu at the end of Activity 1 to create a new form with a menu heading on the main form. The user must acknowledge this box before doing anything else.

Remarks are added in code to explain the purpose of a section of code or to add information for code maintenance. Activity 4 Create a calculator that can add, subtract, multiply and divide two numbers given by the user.

Use a Format function to ensure answer is rounded off to two decimal places. Ensure that it is not possible to divide by zero, either by entering nothing or by entering zero. Use the MsgBox function to indicate the problem to the user. If Val txtTwo.