//Keyboard Input Example//
#include <windows.h>
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
WNDCLASSEX wc;
MSG msg;
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = 0;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wc.lpszMenuName = NULL;
wc.lpszClassName = TEXT("myWindowClass");
wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
RegisterClassEx(&wc);
CreateWindowEx(WS_EX_CLIENTEDGE, TEXT("myWindowClass"), TEXT("Keyboard Input Demo"), WS_VISIBLE | WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 700, 350, NULL, NULL, hInstance, NULL);
while (GetMessage(&msg, NULL, 0, 0) > 0)
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}

LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
HDC hdc;
static TCHAR key[25];
static TCHAR chr[25];
static int chrlen;
static int keylen;
switch(msg)
{
case WM_PAINT:
PAINTSTRUCT ps;
hdc = BeginPaint(hwnd, &ps);
TextOut(hdc,0,0,key,keylen);//displays keystroke value
TextOut(hdc,0,20,chr,chrlen);//displays character associated with keystroke
EndPaint(hwnd, &ps);
break;
case WM_KEYDOWN://responds to keydown message processing raw keyboard messages
keylen=wsprintf(key,TEXT("KEY is %i"), wParam);
break;
case WM_CHAR://responds to character translation after keypress
chrlen=wsprintf(chr,TEXT("Character is %c"), wParam);
InvalidateRect(hwnd,NULL,true);
break;
case WM_CLOSE:
DestroyWindow(hwnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 0;
}