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This is dumb and I've been banging my head against it for the better part of the day, so perhaps someone here could help me see the light I keep missing. Let's say I have a string of 0/1's (or heads of tails coins, or yes or nos etc) For …

Hi All, I'm using a TStringGrid (has to be Delphi 7, and no 3rd party components) I've customised it to allow per-cell colouring/fonts/borders/validation etc, by using a custom onDrawCell method. I really would like to add per-cell tooltips too, but I've been unsuccessful so far. I've modified something I found: …

Hi, I am doing my Final project on audio applications using Delphi and I would like to get a pascal (Delphi) programme on reading, modifying (amplitude of a wave file) and saving the resulting wave file. My purpose is to generate sine waves at different Amplitudes at 24 or 32 …

Hello, I want to ask you if there is some way how to print visual components like TButton with TPrinter? I've seen only examples how to print images etc. (which contain TGraphic). Thanks

Hello, I want to invoke oulook mail from my code in Delphi. It should be like if user select a menu option "Send Mail" , the new mail message window should appear . If outlook is not running aleady, it should start Outlook also. MS oulook 2003 and 2007 only. …

hello every1 i made a factorial program and the only thing i need to do is to validate: Whether it is empty or it contains letters Here's the code: [code=pascal]program factorial; uses wincrt; var counter:integer; number:integer; total:longint; Begin write('Enter your number '); readln(number); total:=1; counter:=1; while (counter<=number) do Begin total:=(total*counter); …

Hey, I would like to know how to only allowing one instance of a program to run at once. Ie: You can't run the application multiple times creating multiple processes. I only want to allow one instance of that application to be running at any given time.