To use or not to use Delphi Sadly, it seems to me that there is a sort of race between the two threads, for and against using Delphi in new projects, with more or less the same users posting in both threads. We can contribute to keeping Delphi alive and moving in the right direction."Laurent Cocea" schrieb: Sadly, it seems to me that there ...I've got around that by using the On Custom Draw Item event to draw the boxes using, for example... Or is there a better way to do that by looking at Windows messages? The Check Boxes property uses the LVS_EX_CHECKBOXES style, which internally creates a state image list for the checkbox images.That side of Windows programming is a little out of my league. However, the Owner Data property uses the LVS_EX_OWNERDATA style, which does not support a state image list by default!Say you also had those 5 blu rays listed on Amazon - if your quantities aren't updating in real-time, then you are on the fast track to get hit with out of stocks.If more than 1 sale comes in before you get around to updating your quantities, then you are in out of stock territory.
Using Owner Data in a TList View and Checkboxes := True doesn't draw the checkboxes. Handle,rect, DFC_BUTTON, DFCS_BUTTONCHECK or DFCS_CHECKED); This works well but I am not sure of the best way to implement checking and unchecking the checkboxes by clicking the mouse and pressing spacebar key. On Mouse Down and use position methods to work out if the mouse is over a checkbox.Spreadsheet component for use in Delphi VCL 2010Good day I have been using the Flexcel component for reading and writing Excel spreadsheets in my Delphi VCL projects for some while and have been very happy.Unfortunately, though, a version for use with Excel 2007 format files (.Then you realize that the variable value won’t actually change on the front-end until the postback is complete, which in turn means that it will get updated only once and say “Finished.” Just in time to tell the user what they already know.To get around this conundrum, I present to you jquery and ajax, my two favorite web technologies ever.