Как поменять цвет у кнопки и при увеличении окна сохранить все элементы на старых позициях?

#include <Windows.h>
#include <tchar.h>
 
 
#define ID_BUTTON1 101
#define ID_BUTTON2 102
#define ID_BUTTON3 103
#define ID_BUTTON4 104
#define ID_BUTTON5 105
#define CM_ABOUT 1060
 
HINSTANCE hinst;
TCHAR szclassname[] = TEXT("BB");
 
HACCEL CreateAccelTable(void);
BOOL regclass(WNDPROC, LPCTSTR, UINT);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
 
int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR lpszCmdLine, int nCmdShow)
{
    MSG msg;
    HWND hwnd;
    hinst = hInst;
 
    if (!regclass(WndProc, szclassname, COLOR_WINDOW)) return FALSE;
 
    hwnd = CreateWindow(szclassname, TEXT("����������� ��� �� ��� - DirectX"),
        WS_OVERLAPPEDWINDOW | WS_VISIBLE,
        CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
        0, 0, hinst, NULL);
 
    if (!hwnd) return FALSE;
 
    HACCEL hAccel = CreateAccelTable();
 
    while (GetMessage(&msg, NULL, 0, 0))
    {
        if (!hAccel || !TranslateAccelerator(hwnd, hAccel, &msg))
        {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }
    }
    DestroyAcceleratorTable(hAccel);
    return msg.wParam;
}
 
BOOL regclass(WNDPROC proc, LPCTSTR sname, UINT bback)
{
    WNDCLASS wc;
    wc.style = wc.cbClsExtra = wc.cbWndExtra = 0;
    wc.hbrBackground = CreateSolidBrush(RGB(255,255,255));   ///(HBRUSH)(bback + 1)
    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
    wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
    wc.lpfnWndProc = proc;
    wc.hInstance = hinst;
    wc.lpszMenuName = NULL;
    wc.lpszClassName = sname;
    return RegisterClass(&wc) != 0;
}
 
BOOL CreateMenuItem(HMENU hMenu, TCHAR *str, UINT uIns, UINT uCom, HMENU hSubMenu, BOOL flag, UINT fType)
{
    MENUITEMINFO mii;
    mii.cbSize = sizeof(MENUITEMINFO);
    mii.fMask = MIIM_STATE | MIIM_TYPE | MIIM_SUBMENU | MIIM_ID;
    mii.fType = fType;
    mii.fState = MFS_ENABLED;
    mii.dwTypeData = str;
    mii.cch = sizeof(str);
    mii.wID = uCom;
    mii.hSubMenu = hSubMenu;
    return InsertMenuItem(hMenu, uIns, flag, &mii);
}
 
 
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp)
{
    static HWND hButton1,hButton2,hButton3,hButton4,hButton5;
    static HMENU hMainMenu, hEditMenu;
    switch (msg)
    {
    case WM_CREATE:
    {
 
        CreateWindow(TEXT("button"), TEXT("������� ���� ����"),
            WS_CHILD | WS_VISIBLE | BS_GROUPBOX,
            275, 360, 650, 120,                                    // 600-������ �����,300-������ ������,215-����� GroupBoxa,120-��� ������
            hwnd, (HMENU)0, hinst, NULL);
 
 
 
        hButton1 = CreateWindow(TEXT("button"), NULL, ///black
            WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
            350, 400, 100, 50,
            hwnd,
            (HMENU)ID_BUTTON1,
            hinst,
            NULL);
        hButton2 = CreateWindow(TEXT("button"), NULL,  //red
            WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
            450, 400, 100, 50,
            hwnd,
            (HMENU)ID_BUTTON2,
            hinst,
            NULL);
        hButton3 = CreateWindow(TEXT("button"), NULL, //yellow
            WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
            550, 400, 100, 50,
            hwnd,
            (HMENU)ID_BUTTON3,
            hinst,
            NULL);
        hButton4 = CreateWindow(TEXT("button"), NULL, //green
            WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
            650, 400, 100, 50,
            hwnd,
            (HMENU)ID_BUTTON4,
            hinst,
            NULL);
        hButton5 = CreateWindow(TEXT("button"), NULL, //blue
            WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
            750, 400, 100, 50,
            hwnd,
            (HMENU)ID_BUTTON5,
            hinst,
            NULL);
 
        hMainMenu = CreateMenu();
        hEditMenu = CreatePopupMenu();
        int i = 0;
        CreateMenuItem(hEditMenu, TEXT("� ���������"), i++, CM_ABOUT, NULL, FALSE, MFT_STRING);
        i = 0;
        CreateMenuItem(hMainMenu, TEXT("�������"), i++, 0, hEditMenu, FALSE, MFT_STRING);
        SetMenu(hwnd, hMainMenu);
        DrawMenuBar(hwnd);
        return 0;
    }
 
    case WM_COMMAND:
    {
        switch (LOWORD(wp))
        {
          case CM_ABOUT:
          { 
            MessageBox(hwnd, TEXT("����))) ���� ������.������ ����� � �������������� DirectX"), TEXT("� ���������"), MB_OK); return 0;
 
          }
          case ID_BUTTON1:
          {
              MessageBox(hwnd, TEXT("������ ����� �����"), TEXT("��������� �� ������"), MB_OK);
          }
        }
        return 0;
    }
 
        ////////////////////////////////////////////
        ////case WM_CTLCOLORBTN:{
        ////SetTextColor((HDC)wp, RGB(34, 99, 244));
        ////return (LRESULT)CreateSolidBrush(RGB(233, 0, 0));}
        ////////////////////////////////////////////
    case WM_DESTROY:{PostQuitMessage(0); return 0; }
    }
    return DefWindowProc(hwnd, msg, wp, lp);
}
 
 
HACCEL CreateAccelTable(void)
{
    //������ ������������� 
    ACCEL Accel[6];
    
    Accel[0].fVirt = FVIRTKEY;
    Accel[0].key = VK_ESCAPE;
    Accel[0].cmd = CM_ABOUT;
 
    Accel[1].fVirt = FVIRTKEY;
    Accel[1].key = 0x5a;
    Accel[1].cmd = ID_BUTTON1;
 
    Accel[2].fVirt = FVIRTKEY;
    Accel[2].key = 0x58;
    Accel[2].cmd = ID_BUTTON2;
 
    Accel[3].fVirt = FVIRTKEY;
    Accel[3].key = 0x43;
    Accel[3].cmd = ID_BUTTON3;
 
    Accel[4].fVirt = FVIRTKEY;
    Accel[4].key = 0x56;
    Accel[4].cmd = ID_BUTTON4;
 
    Accel[5].fVirt = FVIRTKEY;
    Accel[5].key = 0x42;
    Accel[5].cmd = ID_BUTTON5;
 
 
    //Accel[0].fVirt = FVIRTKEY;
    //Accel[0].key = VK_RETURN;
    //Accel[0].cmd = �����/���� ����;
 
    return CreateAcceleratorTable((LPACCEL)Accel, 6);
}

case WM_CTLCOLORSTATIC:
{
    HBRUSH hbrush = CreateSolidBrush(RGB(0, 0, 255));
    HDC hdcStatic = (HDC)wp;
    SetTextColor(hdcStatic, RGB(0, 255, 0));
    SetBkMode(hdcStatic, TRANSPARENT);
    return (LONG)hbrush;
}