Picture control как с ним работать

#include <Windows.h>
//#include "resource.h"
 
LPCTSTR lpszClassName = L"Main class";
LPCTSTR lpszDrawName = L"Draw class";
LPCTSTR lpszCaption = L"Show Icon";
 
HICON g_hIcon = 0;
 
BOOL RegClass(WNDPROC, LPCTSTR, UINT);
BOOL RegDrawClass(WNDPROC, LPCTSTR, UINT);
LRESULT CALLBACK MainProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK DrawProc(HWND, UINT, WPARAM, LPARAM);
 
 
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLine, int nCmdShow)
{
    //g_hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(101));
    g_hIcon = LoadIcon(0, IDI_EXCLAMATION);
 
    if (!RegClass(MainProc, lpszClassName, COLOR_3DHIGHLIGHT))
        return FALSE;
 
    if (!RegDrawClass(DrawProc, lpszDrawName, COLOR_3DHIGHLIGHT))
        return FALSE;
 
    HWND hWnd = CreateWindow(lpszClassName, lpszCaption, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, 0, 400, 400, NULL, NULL, hInstance, NULL);
    if (!hWnd)
        return FALSE;
 
    ShowWindow(hWnd, nCmdShow);
    UpdateWindow(hWnd);
 
    MSG message;
    while (GetMessage(&message, NULL, 0, 0))
    {
        TranslateMessage(&message);
        DispatchMessage(&message);
    }
 
    return message.wParam;
}
 
BOOL RegClass(WNDPROC lpfnProc, LPCTSTR lpszClass, UINT hbrBackground)
{
    WNDCLASS my_class;
    my_class.cbClsExtra = my_class.cbWndExtra = my_class.style = 0;
    my_class.hbrBackground = (HBRUSH)(hbrBackground + 1);
    my_class.hCursor = LoadCursor(0, IDC_ARROW);
    my_class.hIcon = LoadIcon(0, IDI_APPLICATION);
    my_class.hInstance = (HINSTANCE)GetModuleHandle(0);
    my_class.lpfnWndProc = lpfnProc;
    my_class.lpszClassName = lpszClass;
    my_class.lpszMenuName = 0;
    return RegisterClass(&my_class);
}
 
BOOL RegDrawClass(WNDPROC lpfnProc, LPCTSTR lpszClass, UINT hbrBackground)
{
    WNDCLASS my_class;
    my_class.cbClsExtra = my_class.cbWndExtra = my_class.style = 0;
    my_class.hbrBackground = (HBRUSH)(hbrBackground + 1);
    my_class.hCursor = 0;
    my_class.hIcon = 0;
    my_class.hInstance = (HINSTANCE)GetModuleHandle(0);
    my_class.lpfnWndProc = lpfnProc;
    my_class.lpszClassName = lpszClass;
    my_class.lpszMenuName = 0;
    return RegisterClass(&my_class);
}
 
LRESULT CALLBACK MainProc(HWND hWnd, UINT mess, WPARAM wParam, LPARAM lParam)
{
    switch (mess)
    {
        case WM_CREATE:
        {
            HWND hIconWin = CreateWindow(L"static", L"", WS_CHILD | WS_VISIBLE | SS_CENTERIMAGE | SS_ICON, 20, 20, 80, 80, hWnd, NULL, (HINSTANCE)GetClassLong(hWnd, GCL_HMODULE), NULL);
            SendMessage(hIconWin, STM_SETICON, (WPARAM)g_hIcon, 0);
            CreateWindow(lpszDrawName, L"", WS_CHILD | WS_VISIBLE, 100, 20, 80, 80, hWnd, NULL, (HINSTANCE)GetClassLong(hWnd, GCL_HMODULE), NULL);
            break;
        }
        case WM_CLOSE:
        {
            DestroyWindow(hWnd);
            break;
        }
        case WM_DESTROY:
        {
            PostQuitMessage(0);
            break;
        }
    }
 
    return DefWindowProc(hWnd, mess, wParam, lParam);
}
 
LRESULT CALLBACK DrawProc(HWND hWnd, UINT mess, WPARAM wParam, LPARAM lParam)
{
    switch (mess)
    {
        case WM_PAINT:
        {
            PAINTSTRUCT ps;
            BeginPaint(hWnd, &ps);
            RECT rc;
            GetClientRect(hWnd, &rc);
            HBRUSH hBrush = CreateSolidBrush(RGB(64,128,64));
            FillRect(ps.hdc, &ps.rcPaint, hBrush);
            DeleteObject(hBrush);
            DrawIcon(ps.hdc, 4, 4, g_hIcon);
            EndPaint(hWnd, &ps);
            return 0;
        }
    }
 
    return DefWindowProc(hWnd, mess, wParam, lParam);
}