Technical interview questions and answers are important for a Visual Basic Interview because many companies still use VB for maintaining legacy applications, automation tasks, and Windows-based tools. Recruiters expect candidates to understand syntax, variables, loops, functions, event-driven programming, and form design. Visual Basic remains relevant for industries that rely on older but stable systems, so questions from VB often appear in interviews at companies like TCS, Infosys, Wipro, Cognizant, and Accenture. This guide includes frequently asked Visual Basic interview questions with simple, clear explanations that help freshers and job seekers prepare effectively. These questions will strengthen your understanding of VB fundamentals and improve your performance in both technical rounds and project discussions during campus placements.
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21. What is the Dll required for running the VB?
Vbrun300.dll
22. Why we use Treeview Control?
To list the hierarchical list of the node objects. Such of files and Directories.
23. Handling Error in Calling chain.
This will call the top most error where the error is handled.
24. In project properties if we set Unattended what is it mean?
This cannot have user interface. This can be used for the COM creation.
25. What is the size of the variant data type?
The Variant data type has a numeric storage size of 16 bytes and can contain data up to the range of a Decimal, or a character storage size of 22 bytes (plus string length),and can store any character text.
26. What is view Port?
The area under which the container provides the view of the ActiveX Document is known as a view port.
27. What are the different types of error?
Syntax Errors, Runtime , Logic.
28. What is the diff between the Std and Class Module?
Std Global with in the project. Cls Global through out the all project only thing is we want to set the type lib. Class Modules can be Instantiated.
29. What is Mixed Cursors?
Static + Keyset
30. Drag and Drop state numbers and functions?
State 0 Source control is being dragged with the range of a target.
1 Out of the range of a target.
2 One position in the target to another.