DrawText(hdc, pGlobal, -1, &rect, DT_EXPANDTABS);

#include <windows.h>

LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);

int WINAPI WinMain(HINSTANCE hI, HINSTANCE hPrevI, PSTR szCmdLine, int iCmdShow) {

    static TCHAR szAppName[] = TEXT("ClipView");
    HWND         hwnd;
    MSG          msg;
    WNDCLASS     wndclass;

    wndclass.style         = CS_HREDRAW | CS_VREDRAW;
    wndclass.lpfnWndProc   = WndProc;
    wndclass.cbClsExtra    = 0;
    wndclass.cbWndExtra    = 0;
    wndclass.hInstance     = hI;
    wndclass.hIcon         = LoadIcon(NULL, IDI_APPLICATION);
    wndclass.hCursor       = LoadCursor (NULL, IDC_ARROW);
    wndclass.hbrBackground = (HBRUSH) COLOR_INACTIVECAPTION;
    wndclass.lpszMenuName  = NULL;
    wndclass.lpszClassName = szAppName;

    if(!RegisterClass(&wndclass)) {
        MessageBox(NULL, TEXT("Requires Windows NT!"), szAppName, MB_ICONERROR);
        return 0;
    }
    hwnd = CreateWindow(
        szAppName, TEXT("Usando o CTRL+C"), WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
        NULL, NULL, hI, NULL
    );

    ShowWindow(hwnd, iCmdShow);
    UpdateWindow(hwnd) ;

    while(GetMessage(&msg, NULL, 0, 0)) {
        TranslateMessage(&msg);
        DispatchMessage (&msg);
    }

    return msg.wParam;
}

LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {

    static HWND hwndNextViewer;
    HGLOBAL     hGlobal;
    HDC         hdc;
    PTSTR       pGlobal;
    PAINTSTRUCT ps;
    RECT        rect;

    switch(msg) {
        case WM_CREATE:
            hwndNextViewer = SetClipboardViewer(hwnd);
            return 0;

        case WM_CHANGECBCHAIN:
            if((HWND) wParam == hwndNextViewer)
                hwndNextViewer = (HWND) lParam;
            else if(hwndNextViewer)
                SendMessage(hwndNextViewer, msg, wParam, lParam);
            return 0;

        case WM_DRAWCLIPBOARD:
            if (hwndNextViewer)
                SendMessage(hwndNextViewer, msg, wParam, lParam);
            InvalidateRect(hwnd, NULL, TRUE);
            return 0;

        case WM_PAINT:
            hdc = BeginPaint(hwnd, &ps);
            GetClientRect(hwnd, &rect);
            OpenClipboard(hwnd);
            #ifdef UNICODE
                hGlobal = GetClipboardData(CF_UNICODETEXT);
            #else
                hGlobal = GetClipboardData(CF_TEXT);
            #endif

            if(hGlobal != NULL) {
                pGlobal = (PTSTR) GlobalLock(hGlobal);
                DrawText(hdc, pGlobal, -1, &rect, DT_EXPANDTABS);
                GlobalUnlock(hGlobal);
            }
            CloseClipboard();
            EndPaint(hwnd, &ps);
            return 0;

        case WM_DESTROY:
            ChangeClipboardChain(hwnd, hwndNextViewer);
            PostQuitMessage(0);
            return 0;
    }
    return DefWindowProc(hwnd, msg, wParam, lParam);
}