How Can I access my Keyboard using DirectX?

To access the keyboard, the following six steps are essential

/*Initialization*/

1. Creating the DirectInput Object DirectInput8Create function call 2. Creating the DirectInput Keyboard Device by CreateDevice function call from the DI object. 3. Setting the Keyboard Data Format by the SetDataFormat function call from the KB Device. 4. Setting the Keyboard Behavior by the SetCooperativeLevel function call from the KB Device. 5. Gaining Access to the Keyboard by the Acquire function call from KB Device.

/*ReadKeyBoardInput*/

6. Retrieving Data from the Keyboard by the GetDeviceState function call from the KB Device.

/*Cleanup*/

7. Closing Down the DirectInput System by the UnAcquire function call from the KB Device and then freeing the KBDevice and the DI Object.

The following "KeyBoard.zip" example creates a DirectInput Object, then creates a KeyBoard Device from DI object, Reads Left/Right Arrow KeyPress from it and uses it rotate a Triangle. Also at the end of message pumping it Releases the KeyBoard device and the DI object

FAQ Menu

 

Advertisement

Free Magazine