Possible keycodes in Delphi. Needed for the function Engine.UseKey Scripts Examples for Adrenaline Bot The "#13" is the ASCII equivalent of the CR (carriage return) value; #10 represents LF (line feed). Two more interesting control characters include: #0 — NULL character #9 — (horizontal) TAB The "#13#10" string in Delphi source code references a specific ASCII equivalent within a TLabel control.
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15/04/2008 Pestana_ Oi pessoal, Alguém tem algum site, alguma forma de pesquisar no Delphi, quais são todos os códigos das as teclas usadas no KeyPress ? Eu sei as básicas, como o 13 = Enter , etc. Preciso da listagem de todas as teclas, se alguém tiver, poste aqui por favor. #13#10 and #$D#$A are called as control strings in Delphi which are used to set layout of a string. Both #13#10 and #$D#$A same ASCII codes and used to add new line to a string where the difference is in their representation that #13 is decimal but #$D is hexadecimal . 12 Answers Sorted by: 193 In the System.pas (which automatically gets used) the following is defined: const sLineBreak = {$IFDEF LINUX} AnsiChar (#10) {$ENDIF} {$IFDEF MSWINDOWS} AnsiString (#13#10) {$ENDIF}; This is from Delphi 2009 (notice the use of AnsiChar and AnsiString). (Line wrap added by me.) Updated on July 13, 2018 Keyboard events, along with mouse events, are the primary elements of a user's interaction with your program. Below is information on three events that let you capture a user's keystrokes in a Delphi application: OnKeyDown, OnKeyUp and OnKeyPress . Down, Up, Press, Down, Up, Press.
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More Info on Delphi Applications . Keyboard Symphony Get familiar with the OnKeyDown, OnKeyUp, and onKeyPress event procedures to respond to various key actions or handle and process ASCII characters along with other special purpose keys. What Does #13#10 Stand for, in Delphi Code? The Pentagon did not inform senior officials in the White House's National Security Council of Austin's hospitalization until Thursday — three days after he arrived at Walter Reed Medical. The tentative $1.66 trillion deal adheres to spending amounts agreed to by President Biden and then-Speaker Kevin McCarthy last spring in a deal to suspend the nation's debt limit. To represent a single key, you may use either a code or a string. The following tables show a complete list of codes and strings that you may use to represent each key. The following tables do not show a string representation for some keys because the UI framework is not responsible for the string representation of those keys.
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To install a hook, we call SetWindowsHookEx in the OnCreate event of a form. procedure TForm1.FormCreate (Sender: TObject) ; begin. {Set the keyboard hook so we can intercept keyboard input} KBHook:=SetWindowsHookEx (WH_KEYBOARD, {callback >} @KeyboardHookProc, HInstance, GetCurrentThreadId ()) ; Key:= 9; end; if Key = 39 then begin Shift:= []; Key:= 9; end; end; The code in the Key = 39 part works. The pressed key is now a tab. The code in the Key = 37 part however does not work. Yes, the pressed key is still a tab, but the state of the Shift key does not act like it is pressed.
4 Answers Sorted by: 27 You get the ding because you left the ESC in the input. See how Key is a var? Set it to #0 and you eliminate the ding. The sitiuation is different, however, for the ReadKey function. It returns a result of char type, i.e. an ASCII or ANSI code of the key pressed. If an extended or function key has been pressed, it returns the ASCII value 0. In this case, the scan code is delivered by a second call to ReadKey.
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Default IDE Shortcut Keys. F6 or Ctrl+. (Period) Selects parent control in design mode. Left mouse click + Escape drags the parent control. In Object Inspector activates incremental search for properties. Press again Tab to move focus to property value. Ctrl+. (Period) 1 Answer Sorted by: 5 The Shift parameter to OnKeyDown is a set. It describes the state of all the modifier keys. Test for multiple modifier keys like this: if (Shift* [ssShift,ssAlt,ssCtrl]) = [ssShift,ssCtrl] then.. The * picks out the state of the three modifier keys from Shift.
