Interview questions

Delphi interview questions – page 4

169 questions. Tap “Show answer” to check yourself.

  1. How to Detect whether the PrintScreen key has been pressed ?

  2. How to Set the MaxPage property of the PrintDialog component?

  3. How to Determine if a given printer is capable of printing a PostScript file?

  4. How to create a dynamic array of TPoints to draw a polygon?

  5. How to easily move a Window control at runtime?

  6. How to Detect what direction a printer will rotate for a portrait ?

  7. How to Save and load metafiles in a BLOB field without using DBImage ?

  8. How to test if a given string contains a valid number?

  9. How to Create a palette with more than one entry ?

  10. How to Display the first frame of an AVI File ?

  11. How to retrieve a list of assigned properties ?

  12. Convert a color to its VCL string value ?

  14. How to Use escape codes with the format() function ?

  15. How to Align maximized forms?

  16. How to Add a document to the Windows 95 Start Button's documents ?

  17. How to Retrieving the program that is associated with a given extension?

  18. How can I change the drive that MediaPlayer uses to play Audio ?

  19. How to Create a delay without a timer?

  20. How to Get a list of the available drives on a system?

  21. How to Open an explorer window to a given folder?

  22. How to Prevent the TEdit component from beeping when invalid ?

  23. How to Map a DLL into another process ?

  24. With what commands you can Delete a directory and all the directories with files?

  25. How to Change the default width/height of the editor?

  27. How to Display the selected row of a DBGrid in a different color?

  28. How to insert contents of a file at current position in TMemo?

  29. How to Use the LzExpand functions in your applications?

  30. How to Change the display mode settings in code?

  31. How to Generate a Windows Console Application?

  32. How to Make text background transparent?

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