Category "delphi"

TWebbrowser / TEmbeddedWb : hide all messageboxes

I have an application that uses TEmbeddedWb to automate data scrapping tasks. Some web-sites show messages / popup boxes when my app navigates to it, and these

The application was unable to start correctly (0xc000007b)

I have a client/server app which I have been developing on a single PC. Now it needs two serial ports, so I borrowed a PC from a friend. When I build my app an

How to retrive Group mail box names for outlook profile using MAPI program?

Is there a way to retrieve added group mail boxes name for particular outlook profile through extended MAPI program?

Suppress Userproperty printing with outlook mail items

I need to suppress the printing of outlook userproperties programmatically added to a mail item. I had seen the following question that has a solution for dot.n

Delphi and Discrete Signals: Getting a fixed volume signal with fixed silence

This is a follow up on another question I already asked here How can I play a single tone or custom wave with Delphi? To make a long story short, I used MMSyst

Delphi TJvHidDeviceController : device cannot be opened

When I put an TJvHidDeviceController ( HIDKomponent from soft-gems.net ) component on my form and run the application I get an error message : device cannot be

Delphi Form Designer doesn't undo changes

In the Delphi Form Designer how do I undo changes. I press Ctrl + Z and nothing happens, I go to Edit -> Undo and it is grayed out. Am I just missing somet

Unable to programmatically close the application when validation error is found - edited

Based on the input from @David, I have edited my post to include more code (the Main procedure and two functions). The problem remains the same: I want to che

Delphi notification when a file gets updated

My app contains documents in its database. The users can open the documents in which case, the document gets saved to a temporary folder and gets opened on the

Which is preferable: Free or FreeAndNil?

What is the basic difference between Free and FreeAndNil? Is FreeAndNil = Free + Nil? When should I use Free and when should I use FreeAndNil?