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In break mode, the debug window can be used to execute individual line of code, View or change values of variables and properties, and view watch expressions. At run time, it can be used to display data or messages as the programs as the program runs.
At design time, the developer can view the previous output to the Debug window, but cannot execute code. The debug window has two part- Watch window and immediate window.
The split bar separates the Debug window into two panes. The upper pane display the Watch Window.
The lower pane display the Immediate Window. Watch Window Watch pane displays the current watch expressions, which are expressions whose values are decided by the user as code is executed.
The Watch pane appears automatically if the watch expressions are defined in the project.
At times we want to monitor the value of a variable for a certain state- for example to determine weather a flag is set to True or False. Steps to add watch expression 1. Add watch command is chosen from the Debug menu.
The Expression is entered in the Expression box. If necessary, the scope of the variables is set and an option button is selected.
The OK button is clicked. Immediate Window The immediate pane appears by default the first time the debug window is opened. From break mode, the code is executed immediately by entering it in this pane. This window is the right place for the 25 Notes For Visual Basic 6. Trivedi users to modify data or test functions during development. We can enter any valid expression in this window and VB will execute it.
If a reference is made to an object outside the scope of the current code execution, Visual Basic will generate an error. Testing data and procedure in Immediate Pane While debugging an application, Sometimes it may necessary to execute individual procedures, evaluate expressions or assign new values to the variables or properties.
The Immediate Pane can be used to accomplish new values to the variables or properties. The Immediate Pane can be used to accomplish such tasks. OCX instead. These were later to be named ActiveX controls. With version 5. Programmers who preferred to write bit programs were able to import programs written in Visual Basic 4.
Visual Basic 5. It was also used as an introductory form of Visual Basic: a regular. Visual Basic 6.
Extended support ended in March NET platform version. There are small inconsistencies in the way VBA is implemented in different applications, but it is largely the same language as Visual Basic 6. Visual Basic development ended with 6.
It can be used in Windows scripting and client-side web page scripting. It resembles VB in syntax , but is a separate language—executed by vbscript. NET , which uses the.
NET Framework for compiled web pages. Visual Basic. NET platform. NET compiles and runs using the. NET Framework. It is not backwards compatible with Visual Basic 6.
An automated conversion tool exists, but fully automated conversion for most projects is impossible.
Gambas is a Visual Basic inspired free software programming language for the Linux operating system. It is not a clone of Visual Basic, but it does have the ability to convert Visual Basic programs to Gambas. WinWrap Basic is a third-party VBA variant used with various software, and available for programmers to use to build a macro facility into their programs.