Написать класс Clr_BTN, чтобы при наведении курсора и при нажатии на кнопку она меняла цвет

#include<Windows.h>
#define ID_MYBUTTON 1
LRESULT CALLBACK WinProc(HWND, UINT, WPARAM, LPARAM);
HWND hWnd, My;
char Class[] = "Color_Button";
void MyButton(HWND & hwnd, int x, int y, int Width, int Height, int xe, int xy, HWND hParent)
{
    hwnd = CreateWindow("button", "Click" , WS_CHILD | WS_VISIBLE   | BS_PUSHBUTTON  ,
     x, y, Width, Height, hParent, (HMENU)ID_MYBUTTON, NULL, NULL);
    HRGN rgn = CreateRoundRectRgn(0, 0, Width, Height, xe, xy);
    SetWindowRgn(hwnd, rgn, TRUE);
   
}
/*
void DrawButton(LPDRAWITEMSTRUCT lpInfo)
{
    HGDIOBJ obj;
    HBRUSH noactive = CreateSolidBrush(RGB(255, 0, 0)), focus = CreateSolidBrush(RGB(0, 255, 0)), select = CreateSolidBrush(RGB(0, 0, 255));
    HBITMAP bm;
    HDC Owner;
    Owner = CreateCompatibleDC(lpInfo->hDC);
    bm = CreateCompatibleBitmap(lpInfo->hDC, lpInfo->rcItem.right, lpInfo->rcItem.bottom);
    obj = SelectObject(Owner, bm);
    FillRect(Owner, &lpInfo->rcItem, noactive);
    switch (lpInfo->itemAction)
    {
    case ODA_FOCUS:
        if (lpInfo->itemState & ODS_FOCUS)
            FillRect(Owner, &lpInfo->rcItem, focus);
        if (lpInfo->itemState & ODS_CHECKED)
            FillRect(Owner, &lpInfo->rcItem, noactive);
        break;
    case ODA_SELECT:
        if (lpInfo->itemState & ODS_SELECTED)
            FillRect(Owner, &lpInfo->rcItem, select);
        break;
    case ODA_DRAWENTIRE:
        FillRect(Owner, &lpInfo->rcItem, noactive);
        break;
    }
    
    wchar_t wtext[] = L"Change my color!";
SetBkMode(Owner, TRANSPARENT);
SetTextColor(Owner, RGB(255,255,0));
TextOutW(Owner, 15, 5, wtext, wcslen(wtext) );   
    BitBlt(lpInfo->hDC, 0, 0, lpInfo->rcItem.right, lpInfo->rcItem.bottom, Owner, 0, 0, SRCCOPY);
    DeleteObject(SelectObject(Owner, obj));
    DeleteDC(Owner);
}
*/
 
 
 
int WINAPI WinMain(HINSTANCE hInst, HINSTANCE, LPSTR, int)
{
    WNDCLASSEX wc;
    wc.cbClsExtra = 0;
    
    wc.cbSize = sizeof(WNDCLASSEX);
    wc.cbWndExtra = 0;
    wc.hbrBackground = (HBRUSH)CreateSolidBrush(0xffffff);
    wc.hCursor = NULL;
    wc.hIcon = NULL;
    wc.hIconSm = NULL;
    wc.hInstance = hInst;
    wc.lpfnWndProc = WinProc;
    wc.lpszClassName = Class;
    wc.lpszMenuName = NULL;
    wc.style = CS_DBLCLKS;
    if (!RegisterClassEx(&wc))
        return 0;
    hWnd = CreateWindowEx(NULL, Class, "Color_Button", WS_OVERLAPPED | WS_SYSMENU | WS_CAPTION, 250, 250, 250, 250, NULL, NULL, NULL, NULL);
    MyButton(My, 50, 50, 150, 30, 20, 20, hWnd);
    ShowWindow(hWnd, SW_SHOW);
    MSG msg;
    while (GetMessage(&msg, hWnd, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return msg.wParam;
}
LRESULT CALLBACK WinProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
    switch (msg)
    {
                         
   /* case WM_SETCURSOR:
    {
        if ((HWND)wParam == My)
        {
            SetFocus(My);
        }
         return ;
         else if ((HWND)wParam != My)
        {
            SetFocus(hWnd);
        }
        return false;
    }*/
 
    case WM_DESTROY:
    {
        PostQuitMessage(0);
        return 0;
    }
    break;
    default:
        return DefWindowProc(hwnd, msg, wParam, lParam);
        break;
    }
    return 0;
}

    switch(msg) {
    case WM_NOTIFY:
        if(((LPNMHDR)lParam)->code == NM_HOVER) {
            // Меняем цвет кнопки здесь
        }

    switch(msg) {
    case WM_NOTIFY:
        if(((LPNMHDR)lParam)->code == NM_HOVER) {
            InvalidateRect(My, NULL, TRUE); // Заставляем кнопку перерисоваться для получения WM_CTLCOLORBUTTON
        }
        break;
    case WM_CTLCOLORBTN:
        return (LRESULT)CreateSolidBrush(focus);