Explain Delphi?

Delphi is a product of Borland international. This powerful language tool is useful to create applications for Windows and it is primarily useful to create client side and server side applications. Cross platform compatibility is also a main feature of Delphi. It is an object oriented language and it is used to create applications with minimal coding.

How do you work with INI files in Delphi?

These files are very useful when creating applications under cross platform. These files are very useful to create cross platform applications. Delphi uses .INI format in the form of .dsk file which makes a user to store important information about desktop. Comments can be added by specifying a semicolon. Also they are separated by an equal to sign.

How to create UDL files in Delphi?

UDL files are very helpful if you want to store the server connection information outside the application which can be retrieved later during connecting time. This is very useful in creating UDL files which are very helpful where hard coded connection string is not acceptable. Also try to save the documents in the form of .udl which will help you to connect databases easily.

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

This function is used to find the Total memory status. It accepts TMemoryStatus variable as var parameter. It fills the variable entity with different memory status info like Total physical Memory, available physical memory, total virtual memory available virtual memory, total page file, available page file etc.

How to save binary files in Delphi?

Binary files are saved to Binary large object field which supports data of varying formats and indefinite size. This is in contrast to the file system which stores files of small data types. Binary large object field in Delphi allows changes to be made to data and methods. Loadfromfile class is used to store, manipulate, and transform data.

How is OnCalcFields event handler used in Delphi?

OnCalculate is a event that triggers when you read data from the database .

How to Prevent the TEdit component from beeping when invalid ?

Explain about event handler?

You can use event handlers to make sure that the transactions and operations confirm to the business code of ethic. They can significantly affect the data packets which are being sent out to the server for update. Data packets are very useful in giving critical updates at runtime.

Explain about Delphi`s VCL?

Delphi is easier to use rather than the API`s. It has strong windows connection and Borland has made things possible for portability on windows. It has a strong library and it maps windows 32. It supports API`s for properties and events. Borland is taking enough measures for back portability for windows.

How do you display & in Delphi?

Delphi has a host of visual controls. If you would like to display and or the ampersand in between two sentences then you have to actually specify && between two sentences whereby Delphi will understand that you are actually specifying and between two sentences and not an accelerator.