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DirectInput question ...

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Hi all, I''m writing class for DirectInput8, one of my functions is GetKeys() ... This function should get all keys that user hited ... I wrote this function, but won''t work !!! void MyKeyboardTemplate::GetKey(HWND hWnd) { char i; TCHAR strResult[256*5 + 1] = TEXT(""); TCHAR strElement[10]; BYTE KeyBuffer[256]; ZeroMemory(&KeyBuffer, sizeof(KeyBuffer)); lpDIDevice->GetDeviceState(sizeof(KeyBuffer), (LPVOID)&KeyBuffer); lpDIDevice->Acquire(); for(i = 0; i < 256; i++) { if(KeyBuffer & 0x80) { wsprintf(strElement, "0x%02x", i); strcat(strResult, strElement); } } MessageBox(hWnd, strResult, "e", MB_ICONERROR); } In this function, i wanna only indicate keys to user, But in fact, this function must have return value ... I have other question, how can i change this function, to callback function ... Please help me ... Hadi Rezaie

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