Re: Detecting Ctrl from OnKeyDown?
That's a cool utility function. Thanks for sharing.
"David Webber" <firstname.lastname@example.org> wrote in message
I wrote a utility function years ago and have never had to worry about it
// In a universally available header file:
const UINT KBD_NONE = 0x00000000;
const UINT KBD_ALT = 0x00000004;
const UINT KBD_CTRL = 0x00000002;
const UINT KBD_SHIFT = 0x00000001;
const UINT KBD_CTRLSHIFT = (KBD_CTRL|KBD_SHIFT);
const UINT KBD_ALTCTRL = (KBD_ALT|KBD_CTRL);
const UINT KBD_ALTSHIFT = (KBD_ALT|KBD_SHIFT);
const UINT KBD_ALTCTRLSHIFT = (KBD_ALT|KBD_CTRL|KBD_SHIFT);
// In my utilities library:
UINT uResult = 0;
if( GetKeyState( VK_MENU ) & 0x8000 ) uResult |= KBD_ALT;
if( GetKeyState( VK_CONTROL ) & 0x8000 ) uResult |= KBD_CTRL;
if( GetKeyState( VK_SHIFT ) & 0x8000 ) uResult |= KBD_SHIFT;
I use it in all sorts of places within responses to WM_CHAR and WM_KEYDOWN
Author of 'Mozart the Music Processor'
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