Delphi Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Delphi Interview Questions

Questions Answers Views Company eMail

How to Use mouse_event() to similate mouse events?

1903

How to Paint a rainbow color spectrum onto a form ?

2098

How to Stop TScrollbar button from blinking ?

1826

How to Create temporary canvas?

Mastek,

2013

How to Determine minor version number?

Infosys,

1886

How to Insert a file at the cursor ?

1805

How to Disable ALT-F4 to prevent form closing

4496

How to install programatically a printer?

1787

How to Close popup menu in system tray application ?

1995

How to determie if a given machine has a math coprocessor?

1549

How to dial out through the modem under Win32?

1674

What does the error 'Token not found'?

2454

How to use a true DWORD value passed to Delphi application?

1740

Is there any way to record a keyboard macro in the IDE?

1636

How to tell in code if my application is running on Windows NT ?

1677

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Un-Answered Questions { Delphi }

How to Check for NULL in OnUpdateData handler ?

1886

Why won't the virtual key codes work in program?

1672

How to Detect if the system time has been changed ?

1696

How to Debug an In-Proc COM Server?

1666

How to Switch between different data sources?

1968

How does run-time type information (rtti) work?

973

Why is there no automation in releasing the memory automatically during the termination of the program?

901

How to avoid an access violation when using the move procedure?

1750

How to Specify an overlay image for a node in a treeview ?

2975

Why the error "Operation must use an updateable query"?

2035

How to Convert from Long to Short file names and paths ?

1726

what is a CopyCursor ?

2102

How to Keep an application in a minimized state?

1974

What is "Error 113" during installation?

2222

"Cannot load IDAPI service library" . what does this error mean?

2868

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