向TextEdit控件添加垂直滚动条

#include <windows.h>

LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);

int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PWSTR pCmdLine, int nCmdShow) {
    const wchar_t CLASS_NAME[] = L"Sample Window Class";

    WNDCLASS wc = { };

    wc.lpfnWndProc = WindowProc;
    wc.hInstance = hInstance;
    wc.lpszClassName = CLASS_NAME;

    RegisterClass(&wc);

    HWND hwnd = CreateWindowEx(
        0,
        CLASS_NAME,
        L"Sample Window",
        WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
        NULL,
        NULL,
        hInstance,
        NULL
    );

    if (hwnd == NULL) {
        return 0;
    }

    ShowWindow(hwnd, nCmdShow);

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

    return 0;
}

LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
    switch (uMsg) {
        case WM_CREATE: {
            HWND hEdit = CreateWindowEx(
                0, L"EDIT", NULL,
                WS_CHILD | WS_VISIBLE | WS_BORDER | ES_LEFT | ES_MULTILINE | ES_AUTOVSCROLL | WS_VSCROLL,
                10, 10, 300, 200,
                hwnd, (HMENU)1, GetModuleHandle(NULL), NULL
            );
            break;
        }
        case WM_DESTROY:
            PostQuitMessage(0);
            return 0;
    }
    return DefWindowProc(hwnd, uMsg, wParam, lParam);
}

class CMyDialog : public CDialogEx {
public:
    CMyDialog(CWnd* pParent = nullptr);

#ifdef AFX_DESIGN_TIME
    enum { IDD = IDD_MYDIALOG };
#endif

protected:
    virtual void DoDataExchange(CDataExchange* pDX);

protected:
    HICON m_hIcon;
    CEdit m_editCtrl;

    virtual BOOL OnInitDialog();
    DECLARE_MESSAGE_MAP()
};

BOOL CMyDialog::OnInitDialog() {
    CDialogEx::OnInitDialog();

    m_editCtrl.SubclassDlgItem(IDC_MYEDIT, this);
    m_editCtrl.SetWindowText(_T("This is a multiline edit control with vertical scroll bar."));

    return TRUE;
}

public partial class Form1 : Form {
    public Form1() {
        InitializeComponent();

        textBox1.Multiline = true;
        textBox1.ScrollBars = ScrollBars.Vertical;
        textBox1.Text = "This is a multiline TextBox with vertical scroll bar.";
    }
}