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Delphi Interview Questions
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Delphi Interview Questions


What is the default extension of file when we create user components?

Delphi interview questions

What's circular rreefence ?

What's the structure of a Delphi unit file ?

What's dll and how it can be implemented ?

What's overloading in Delphi ?

What's overriding in Delphi ?

What do you meant by reintroduce in delphi ?

What's pChar type ?

How an ADO connection can be established ?

Explain Inheritance with an example ?

How polymorphism can be achieved in Delphi ?

How to implement custom sorting in TStringList ?

What's the difference between TList and TObjectList ?

How a button can be created dynamically ?

What's the difference between static and dynamic loading of dlls ? How this can be implemented ?

What's the difference between virtual and dynamic methods ?

What's abstract method in Delphi ?

What's RTTI ?

Say the VCL heirarchy ?

What's procedural data types ?

What's called method hooking ?

For what purpose the procedure FreeAndNil is used and what's the difference between FreeAndNil and Free method ?

How exceptions are handled in Delphi ?

What's the difference between Try ...Except and Try...Finally ?

How to open a Text file in Delphi ?

What's the use of Assigned method in Delphi ?

What are the different access specifiers available in Delphi ?

What's the difference between public and protected specifier ?

How to register a component ?

What's an interface in Delphi ?

Is multiple inheritance available in Delphi ? How it can be implemented ?

What's the difference between Form and Frame ?

What are the global classes available in Delphi ?

What's the Sharemem unit used for ?

What are packages in Delphi?

Explain about DPR?

Describe about help file in Delphi?

Explain about Delphi`s VCL?

Explain about event handler?

How application server is different from other type of servers?

Explain about creating n tired applications using Delphi?

How to save images to a database with Delphi?

How to save binary files in Delphi?

Describe how components are loaded from a DFM file at runtime.

What is the difference between TGraphicControl and TWinControl?

Write a function that reverses a string.

If a component has another component as a property (example: TDatasource has a TDataset component as a property), what happens if the “pointed to“ component is deleted?

Where does TCustomControl fit into the VCL heirarchy?

What is the purpose and significance of the TPersistent class?

What are the three methods required for an implementation of IInterface? What do they do?

What clasLatest Delphi Interview Questions

Is there in C# an equivalent of exit command in Delphi, which force the exit from one method?

What is the use of GlobalMemoryStatus() function in Delphi?

What are the types of arrays handled by Delphi?

What must be done to make scroll bars appear automatically in Delphi?

What is the use of unit interface section of Delphi?

What are Delphi units?

What are the code sections that get added automatically by Delphi when a form is created?

What is the use of Database Form wizard in Delphi?

What is TForm object in Delphi?

What is the clause used with Interface section of Delphi?

What is the use of container?

What is the environment on which Delphi was based?

What is contained in the code Unit of Delphi?

How is dynamic array's memory space removed in Delphi?

What are components in Delphi?

What is the difference between TGraphicControl and TWinControl?


Is there in C# an equivalent of exit command in Delphi, which force the exit from one method?

What is RTTI in delphi

How is OnCalcFields event handler used in Delphi?

What is the use of Initialization and Finalization sections of Delphi?

What is the use of TActiveForm object in Delphi?

What are the types of arrays handled by Delphi?

What must be done to make scroll bars appear automatically in Delphi?

What is the use of unit interface section of Delphi?

What are the code sections that get added automatically by Delphi when a form is created?

What is the use of Database Form wizard in Delphi?


What is the clause used with Interface section of Delphi?


What is project file in Delphi?

What is the environment on which Delphi was based?


What are components in delphi??

How is message handling handled in Delphi?

What should I give to Windows API functions that want a hWnd?

How does Delphis exception handling work?

Do I have to understand object-oriented programming to use Delphi?

Do I have to know a lot about the Windows API to use Delphi?

Do I have to know a lot about the Windows API to use Delphi?

How do I close a modal form? For that matter, what is the best way to close any form?

Why do I get compile errors acessing the Sender object in events?

How can I manipulate data programatically?

How do I write a change password function for a Paradox table?

Can I use the ODBC drivers that I got with ?

Does Delphi support the back-end?

How do we get access to a database from Delphi?

How do we get access to a database from Delphi?

I just bought Delphi. Where are the language and library reference manuals?

What technical support do we get with Delphi?

What if I do not have a CD-ROM drive?

Where can I get a copy of Delphi?

What is the history of Delphi?

Can we write multi-user database applications in regular Delphi?

What is the difference between Delphi and Delphi Client/Server?

How tough is it to learn Delphi?

How much disk space, memory, etc, do I need to run Delphi?

What operating systems does Delphi support?


What versions of Delphi are there?

What is Delphi?

Explain about data base form wizard?

Describe about the project menu?

Describe about help file in Delphi?

Explain about DPR?

Explain about the textual description of the form?

What are packages in Delphi?

Explain about the Delphi IDE?

Explain about Delphi`s VCL?

Explain about event handler?

How application server is different from other type of servers?

Explain about creating n tired applications using Delphi?

What is the use of UDL files in Delphi?

How do you display & in Delphi?

How application server is different from other type of servers?

Explain about creating n tired applications using Delphi?

How to save images to a database with Delphi?

How to save binary files in Delphi?

How to create UDL files in Delphi?

How do you work with INI files in Delphi?

State and explain about Delphi?

Posted on: 2011/10/3 17:26
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