Поддержка кириллицы в графических приложениях

//---------------------------------------------------------------------------
 #ifndef UNICODE
#define UNICODE
#endif
 
#ifndef _UNICODE
#define _UNICODE
#endif
 
#if !(defined(_UNICODE) | defined(UNICODE))
#error no Unicode!
#endif
 
#include "windows.h"
#include <iostream>
#include <cmath>
#include "Commctrl.h"
 
#pragma comment( lib, "comctl32.lib") 
#pragma comment( lib, "gdi32.lib") 
#pragma comment( lib, "user32.lib") 
 
LRESULT CALLBACK WndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam);
 
 
int WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
 
    LPCTSTR ClsName = L"BlWindowClass";
 
    WNDCLASS wndclass;
    wndclass.style = CS_BYTEALIGNCLIENT|CS_HREDRAW|CS_VREDRAW;
    wndclass.lpfnWndProc = WndProc;
    wndclass.cbClsExtra = 0;
    wndclass.cbWndExtra = 0;
    wndclass.hInstance = hInstance;
    wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
    wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
    wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
    wndclass.lpszMenuName = NULL;
    wndclass.lpszClassName = ClsName;
    
    RegisterClass(&wndclass);
 
    MSG Msg;
    HWND hWnd = CreateWindowEx(
        WS_EX_OVERLAPPEDWINDOW,
        ClsName,
        L"Русский",
        WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT,
        CW_USEDEFAULT,
        CW_USEDEFAULT,
        CW_USEDEFAULT,
        NULL,
        NULL,
        hInstance,
        NULL);
        
    if (!hWnd) return 0;
    
    //BuildInterface(hWnd, hInstance);
    
    ShowWindow(hWnd, SW_SHOWNORMAL);
    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) {
    switch(Msg)
    {
        case WM_DESTROY:
            PostQuitMessage(WM_QUIT);
            break;
        default:
            return DefWindowProc(hWnd, Msg, wParam, lParam);
    }
    
    return 0;
}