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Keyboard type from legacy code

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Dave Hampson

Fri Mar 20 2009, 06:59am

Registered Member #273
Joined: Fri Mar 20 2009, 06:39am
Posts: 2

Hi there

I need to switch between 'standard' and 'numpad' keyboards from legacy 16 bit code

I've got access to PostMessage so displaying and hiding the keyboard works fine

But, I don't have access to the registry - any chance of adding a mechanism (using PostMessage) so that I can do the switch?

Or maybe somebody has a bright idea of another way to do it

Cheers

Dave

Comfort

Fri Mar 20 2009, 01:15pm

Joined: Wed Sep 19 2007, 03:42pm
Posts: 617

Can you use message WM_COPYDATA?

Have a nice day

Dave Hampson

Sat Mar 21 2009, 03:00pm

Registered Member #273
Joined: Fri Mar 20 2009, 06:39am
Posts: 2

Sure can - can send any message valid for PostMessage or SendMessage

Comfort

Wed Apr 01 2009, 07:08am

Joined: Wed Sep 19 2007, 03:42pm
Posts: 617




char  KeyboardName[80];

COPYDATASTRUCT MyCDS;



   KeyboardName = "Standard";

// Fill the COPYDATA structure

// 

   MyCDS.dwData = 1;          // function identifier

   MyCDS.cbData = sizeof( KeyboardName );  // size of data

   MyCDS.lpData = &KeyboardName;           // data structure

//

// Call function, passing data in &MyCDS

//

   HWND hwDispatch = FindWindow( "TFirstForm", "CKeyboardFirstForm" );

   if( hwDispatch != NULL )

      SendMessage( hwDispatch,

                   WM_COPYDATA,

                   (WPARAM)(HWND) NULL,

                   (LPARAM) (LPVOID) &MyCDS );

[ Edited Tue Apr 14 2009, 01:48am ]

Have a nice day

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