BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  RegisterHotkey - Parameter Question - VK's Ord() etc.          BorlandTalk.com Forum Index -> comp.lang.pascal.delphi.misc View previous topic :: View next topic   Author Message anon Guest Posted: Fri Jan 30, 2004 4:47 am    Post subject: RegisterHotkey - Parameter Question - VK's Ord() etc. procedure TForm1.FormCreate(Sender: TObject); begin If not RegisterHotkey (Handle, 1, VK_CONTROL, VK_LBUTTON) Then ShowMessage('Unable to assign hotkey.') ; end; I cannot get the above piece of code to work :( What I would like is a systemwide hotkey that triggers when Shift is down and the leftmousebutton is depressed. This might not be possible using the RegisterHotkey function but I don't know, maybe someone could help me out? I could just use an alt+letter key but it would be a pain. Back to top Nicholas Sherlock Guest Posted: Fri Jan 30, 2004 4:53 am    Post subject: Re: RegisterHotkey - Parameter Question - VK's Ord() etc. anon wrote: Quote: procedure TForm1.FormCreate(Sender: TObject); begin If not RegisterHotkey (Handle, 1, VK_CONTROL, VK_LBUTTON) Then ShowMessage('Unable to assign hotkey.') ; end; I cannot get the above piece of code to work :( What I would like is a systemwide hotkey that triggers when Shift is down and the leftmousebutton is depressed. This might not be possible using the RegisterHotkey function but I don't know, maybe someone could help me out? Take a closer look at your code and RTM - Then tell me what "VK_Control" tells Windows you want to respond to. Btw: What are you using this hot-key for? Do you realize that most times a user will select multiple text/files etc they will be holding down shift and left-clicking? Same thing for control. My bet is that Windows has reserved these hotkeys for itself, since it wouldn't make sense for a user application to hook them. Cheers, Nicholas Sherlock Back to top J French Guest Posted: Fri Jan 30, 2004 8:07 am    Post subject: Re: RegisterHotkey - Parameter Question - VK's Ord() etc. On Fri, 30 Jan 2004 17:53:29 +1300, "Nicholas Sherlock" <n_sherlock (AT) hotmail (DOT) com> wrote: <snip> Quote: Take a closer look at your code and RTM - Then tell me what "VK_Control" tells Windows you want to respond to. Quite Quote: Btw: What are you using this hot-key for? Do you realize that most times a user will select multiple text/files etc they will be holding down shift and left-clicking? Same thing for control. My bet is that Windows has reserved these hotkeys for itself, since it wouldn't make sense for a user application to hook them. RegisterHotKey seems pretty powerful ... It looks like he is writing some sort of document 'snipper' - for grabbing marked areas from documents IME this can be happily done using a Timer and pumping in a Ctl V - or sending a message Back to top anon Guest Posted: Fri Jan 30, 2004 7:37 pm    Post subject: Re: RegisterHotkey - Parameter Question - VK's Ord() etc. <snip> Quote: Take a closer look at your code and RTM - Then tell me what "VK_Control" tells Windows you want to respond to. Quite It says the CTRL key http://delphi.about.com/library/blvkc.htm What manual are you refering to? Quote: Btw: What are you using this hot-key for? Do you realize that most times a user will select multiple text/files etc they will be holding down shift and left-clicking? Same thing for control. My bet is that Windows has reserved these hotkeys for itself, since it wouldn't make sense for a user application to hook them. RegisterHotKey seems pretty powerful ... It looks like he is writing some sort of document 'snipper' - for grabbing marked areas from documents IME this can be happily done using a Timer and pumping in a Ctl V - or sending a message I'm just attempting to create an easy to reach hotkey = Back to top anon Guest Posted: Fri Jan 30, 2004 7:39 pm    Post subject: Re: RegisterHotkey - Parameter Question - VK's Ord() etc. Using RegisterHotKey is it possible to create a one key shortcut? If so would you please provide a link/example/etc This is a code snippit: //In the main forms OnCreate //handler assign the hotkey: If not RegisterHotkey (Handle, 1, MOD_ALT or MOD_SHIFT, VK_F9) Then ShowMessage('Unable to assign Alt-Shift-F9 as hotkey.') ; //In the main forms //OnClose event remove the handler: UnRegisterHotkey( Handle, 1 ) ; //Add a handler for the //WM_HOTKEY message to the form: private // form declaration Procedure WMHotkey( Var msg: TWMHotkey ) ; message WM_HOTKEY; Procedure TForm1.WMHotkey( Var msg: TWMHotkey ) ; Begin If msg.hotkey = 1 Then Begin If IsIconic( Application.Handle ) Then Application.Restore; BringToFront; End; End; Back to top Rob Kennedy Guest Posted: Fri Jan 30, 2004 8:21 pm    Post subject: Re: RegisterHotkey - Parameter Question - VK's Ord() etc. anon wrote: Quote: Using RegisterHotKey is it possible to create a one key shortcut? If so would you please provide a link/example/etc Pass 0 as the third parameter to RegisterHotKey. -- Rob Back to top AlanGLLoyd Guest Posted: Fri Jan 30, 2004 8:27 pm    Post subject: Re: RegisterHotkey - Parameter Question - VK's Ord() etc. In article <HnySb.2883$jH6.99 (AT) newsread1 (DOT) news.atl.earthlink.net>, "anon" <an@o.n> writes: Quote: Take a closer look at your code and RTM - Then tell me what "VK_Control" tells Windows you want to respond to. Quite It says the CTRL key http://delphi.about.com/library/blvkc.htm What manual are you refering to? Look up RegisterHotKey in Win32.hlp Alan Lloyd [email]alanglloyd (AT) aol (DOT) com[/email] Back to top anon Guest Posted: Tue Feb 03, 2004 11:51 pm    Post subject: Re: RegisterHotkey - Parameter Question - VK's Ord() etc. Quote: Using RegisterHotKey is it possible to create a one key shortcut? If so would you please provide a link/example/etc Pass 0 as the third parameter to RegisterHotKey. ^_^ thank you -- Rob Back to top anon Guest Posted: Sun Feb 15, 2004 2:27 pm    Post subject: Re: RegisterHotkey - Parameter Question - VK's Ord() etc. Quote: Take a closer look at your code and RTM - Then tell me what "VK_Control" tells Windows you want to respond to. Quite It says the CTRL key http://delphi.about.com/library/blvkc.htm What manual are you refering to? Look up RegisterHotKey in Win32.hlp I've done that -- I usually consult the Delphi help file then I check the Win32 help file and finally I use google. Sometimes the help files or the websites (like msdn) use terms that I don't fully understand even after I've looked them up and its just quicker to post a question on a form. ..hlp file = manual? man-u-al n. 1.. A small reference book, especially one giving instructions. 2.. Music. A keyboard, as of an organ or harpsichord, played with the hands. 3.. A machine operated by hand. 4.. Prescribed movements in the handling of a weapon, especially a rifle: the manual of arms. Source: http://dictionary.reference.com/search?q=manual ....and thanks for all the help ^_^ the hotkey works!! 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