/******************************************/
#if 0
#include <Windows.h>
#include <atlbase.h>
#include <atlwin.h>

class CMyWindow : public CWindowImpl<CMyWindow>
{
public:
    DECLARE_WND_CLASS(_T("CMyWindowClass"))

    BEGIN_MSG_MAP(CMyWindow)
        MESSAGE_HANDLER(WM_PAINT, OnPaint)
    END_MSG_MAP()

    LRESULT OnPaint(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        PAINTSTRUCT ps;
        HDC hdc = BeginPaint(&ps);

        // 绘制窗口内容
        RECT rect;
        GetClientRect(&rect);
        DrawText(hdc, _T("Hello, World!"), -1, &rect, DT_CENTER | DT_VCENTER | DT_SINGLELINE);

        EndPaint(&ps);
        return 0;
    }
};
/*
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
    // 创建窗口
    CMyWindow wnd;
    wnd.Create(nullptr, CRect(100, 100, 400, 300), _T("My Window"), WS_OVERLAPPEDWINDOW);

    // 获取窗口矩形区域
    CRect rect;
    wnd.GetWindowRect(rect);

    // 无效化窗口矩形区域并触发重绘
    wnd.InvalidateRect(rect, TRUE);

    // 消息循环
    MSG msg;
    while (GetMessage(&msg, nullptr, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }

    return static_cast<int>(msg.wParam);
}*/


int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
    // 创建窗口
    HWND hWnd = CreateWindow(
        _T("STATIC"), _T("My Window"), WS_OVERLAPPEDWINDOW,
        100, 100, 400, 300,
        nullptr, nullptr, hInstance, nullptr
    );

    // 获取窗口矩形区域
    RECT rect;
    GetWindowRect(hWnd, &rect);

    // 将矩形坐标转换为客户区坐标
    POINT pt = { 0, 0 };
    ScreenToClient(hWnd, &pt);
    OffsetRect(&rect, -pt.x, -pt.y);

    // 无效化窗口矩形区域并触发重绘
   // InvalidateRect(hWnd, &rect, TRUE);

    // 显示窗口
    ShowWindow(hWnd, nCmdShow);
    UpdateWindow(hWnd);

    // 消息循环
    MSG msg;
    while (GetMessage(&msg, nullptr, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }

    return static_cast<int>(msg.wParam);
}

#include <Windows.h>

LRESULT CALLBACK WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    switch (uMsg)
    {
    case WM_PAINT:
    {
        PAINTSTRUCT ps;
        HDC hdc = BeginPaint(hWnd, &ps);

        // 绘制背景
        RECT rect;
        GetClientRect(hWnd, &rect);
        HBRUSH hBrush = CreateSolidBrush(RGB(255, 255, 255)); // 白色背景
        FillRect(hdc, &rect, hBrush);
        DeleteObject(hBrush);

        // 绘制文本
        SetTextColor(hdc, RGB(0, 0, 0)); // 黑色文本
        SetBkMode(hdc, TRANSPARENT); // 文本背景透明
        DrawText(hdc, L"Hello, World!", -1, &rect, DT_CENTER | DT_VCENTER | DT_SINGLELINE);

        EndPaint(hWnd, &ps);
        return 0;
    }
    case WM_DESTROY:
        PostQuitMessage(0);
        return 0;
    }

    return DefWindowProc(hWnd, uMsg, wParam, lParam);
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
    // 注册窗口类
    const wchar_t* CLASS_NAME = L"MyWindowClass";

    WNDCLASS wc = { 0 };
    wc.lpfnWndProc = WindowProc;
    wc.hInstance = hInstance;
    wc.lpszClassName = CLASS_NAME;

    RegisterClass(&wc);

    // 创建窗口
    HWND hWnd = CreateWindowEx(
        0, CLASS_NAME, L"My Window", WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT, CW_USEDEFAULT, 400, 300,
        NULL, NULL, hInstance, NULL
    );

    if (hWnd == NULL)
        return 0;

    // 显示窗口
    ShowWindow(hWnd, nCmdShow);
    UpdateWindow(hWnd);

    // 消息循环
    MSG msg;
    while (GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }

    return (int)msg.wParam;
}

#include <Windows.h>

LRESULT CALLBACK WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    switch (uMsg)
    {
    case WM_PAINT:
    {
        PAINTSTRUCT ps;
        HDC hdc = BeginPaint(hWnd, &ps);

        // 绘制背景
        RECT rect;
        GetClientRect(hWnd, &rect);
        HBRUSH hBrush = CreateSolidBrush(RGB(255, 255, 255)); // 白色背景
        FillRect(hdc, &rect, hBrush);
        DeleteObject(hBrush);

        // 绘制文本
        SetTextColor(hdc, RGB(0, 0, 0)); // 黑色文本
        SetBkMode(hdc, TRANSPARENT); // 文本背景透明
        DrawText(hdc, L"Hello, World!", -1, &rect, DT_CENTER | DT_VCENTER | DT_SINGLELINE);

        EndPaint(hWnd, &ps);
        return 0;

    case WM_RBUTTONDOWN:

        hdc = GetDC(hwnd);
        GetClientRect(hwnd, &rect);
        DrawText(hdc, TEXT("右键键被单机咯！"), 13, &rect, DT_VCENTER | DT_SINGLELINE);
        ReleaseDC(hWnd, hdc);
        InvalidateRect(hWnd, NULL, true);
        //UpdateWindow(hwnd);
        Sleep(1000);
        return 0;
    case WM_LBUTTONDOWN:
        hdc = GetDC(hWnd);
        GetClientRect(hWnd, &rect);
        DrawText(hdc, TEXT("左键被单机咯！"), 13, &rect, DT_CENTER | DT_SINGLELINE);
        ReleaseDC(hWnd, hdc);
        return 0;
    }
    case WM_DESTROY:
        PostQuitMessage(0);
        return 0;
    }

    return DefWindowProc(hWnd, uMsg, wParam, lParam);
}

void InvalidateWindow(HWND hWnd)
{
    RECT rect;
    GetClientRect(hWnd, &rect);
    InvalidateRect(hWnd, &rect, TRUE);
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
    // 注册窗口类
    const wchar_t* CLASS_NAME = L"MyWindowClass";

    WNDCLASS wc = { 0 };
    wc.lpfnWndProc = WindowProc;
    wc.hInstance = hInstance;
    wc.lpszClassName = CLASS_NAME;

    RegisterClass(&wc);

    // 创建窗口
    HWND hWnd = CreateWindowEx(
        0, CLASS_NAME, L"My Window", WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT, CW_USEDEFAULT, 400, 300,
        NULL, NULL, hInstance, NULL
    );

    if (hWnd == NULL)
        return 0;

    // 显示窗口
    ShowWindow(hWnd, nCmdShow);
    UpdateWindow(hWnd);

    // 模拟触发重绘
    InvalidateWindow(hWnd);

    // 消息循环
    MSG msg;
    while (GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }

    return (int)msg.wParam;
}
#endif
#include <Windows.h>

LRESULT CALLBACK WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    switch (uMsg)
    {
    case WM_PAINT:
    {
        PAINTSTRUCT ps;
        HDC hdc = BeginPaint(hWnd, &ps);

        // 绘制背景
        RECT rect;
        GetClientRect(hWnd, &rect);
        HBRUSH hBrush = CreateSolidBrush(RGB(255, 255, 255)); // 白色背景
        FillRect(hdc, &rect, hBrush);
        DeleteObject(hBrush);

        // 绘制文本
        SetTextColor(hdc, RGB(0, 0, 0)); // 黑色文本
        SetBkMode(hdc, TRANSPARENT); // 文本背景透明
        DrawText(hdc, L"Hello, World!", -1, &rect, DT_CENTER | DT_VCENTER | DT_SINGLELINE);

        EndPaint(hWnd, &ps);
        return 0;
    }
    case WM_DESTROY:
        PostQuitMessage(0);
        return 0;
    case WM_RBUTTONDOWN:
    {
        HDC hdc = GetDC(hWnd);
        RECT rect;
        GetClientRect(hWnd, &rect);
        DrawText(hdc, L"右键被点击了！", -1, &rect, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
        ReleaseDC(hWnd, hdc);
        InvalidateRect(hWnd, NULL, TRUE);
        Sleep(10000);
        return 0;
    }
    case WM_LBUTTONDOWN:
    {
        HDC hdc = GetDC(hWnd);
        RECT rect;
        GetClientRect(hWnd, &rect);
        DrawText(hdc, L"左键被点击了！", -1, &rect, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
        ReleaseDC(hWnd, hdc);
        return 0;
    }
    }

    return DefWindowProc(hWnd, uMsg, wParam, lParam);
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
    // 注册窗口类
    const wchar_t* CLASS_NAME = L"MyWindowClass";

    WNDCLASS wc = { 0 };
    wc.lpfnWndProc = WindowProc;
    wc.hInstance = hInstance;
    wc.lpszClassName = CLASS_NAME;

    RegisterClass(&wc);

    // 创建窗口
    HWND hWnd = CreateWindowEx(
        0, CLASS_NAME, L"My Window", WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT, CW_USEDEFAULT, 400, 300,
        NULL, NULL, hInstance, NULL
    );

    if (hWnd == NULL)
        return 0;

    // 显示窗口
    ShowWindow(hWnd, nCmdShow);
    UpdateWindow(hWnd);

    // 消息循环
    MSG msg;
    while (GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }

    return (int)msg.wParam;
}
class NcPose
{
public:
    NcPose(long index, NC_CODE_TYPE type)
    {
        lineIndex = index;
        codeType = type;
        updateX = updateY = updateZ = false;
        updateA = updateB = updateC = false;
    }

    long lineIndex;
    NC_CODE_TYPE codeType;
    bool updateX, updateY, updateZ, updateA, updateB, updateC;
    float x, y, z;
    float a, b, c;
};
int main()
{
    vector<NcPose> pose;
    NcPose po(1, G1_CODE);
    pose.emplace_back(1, G1_CODE);

}

#include <stdio.h>
enum NC_CODE_TYPE
{
    UNKNOWN_CODE = 0,
    G0_CODE,            // Position
    G1_CODE,            // Line
    G2_CODE,            // CW arc
    G3_CODE,            // CCW arc
};
void fun(enum NC_CODE_TYPE e)
{
   // int i = e;
    printf("%d", e);
}

int main()
{
    for(int i=G1_CODE;i<G3_CODE;i++)
    {

    }

   // fun(1);
    return 0;
}

> #include <iostream>
> #include <afx.h> // 包含 MFC 的头文件
> int main() {
>     CString a, b;
>     a = "X23456789";
>     b = a.Left(4);
>     std::wcout << "\n" << b.GetString();
>     std::wcout << "\n" << a.Left(4).GetString();
>     b = a.Mid(1);
>     std::wcout << "\n" << b.GetString();
>     b = a.Mid(2, 4);
>     std::wcout << "\n" << b.GetString();
>     b = a.Right(4);
>     std::wcout << "\n" << b.GetString();
>     return 0;
> }

#include <windows.h>
#include <tchar.h>
#define IDM_FILE_NEW 101
#define IDM_FILE_OPE 103
#define IDM_FILE_SAVE 104

LRESULT CALLBACK WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    switch (uMsg)
    {
    case WM_COMMAND:
        // 处理菜单项的命令
        switch (LOWORD(wParam))
        {
        case IDM_FILE_NEW:
            // 处理 New 菜单项的命令
            MessageBox(hWnd, L"New selected!", L"Menu", MB_OK);
            break;

        case IDM_FILE_OPE:
            // 处理 Open 菜单项的命令
            MessageBox(hWnd, L"Open selected!", L"Menu", MB_OK);
            break;

        case IDM_FILE_SAVE:
            // 处理 Save 菜单项的命令
            MessageBox(hWnd, L"Save selected!", L"Menu", MB_OK);
            break;
        }
        break;

    case WM_DESTROY:
        // 窗口关闭时的处理
        PostQuitMessage(0);
        OutputDebugString(L"close");
        break;

    default:
        return DefWindowProc(hWnd, uMsg, wParam, lParam);
    }

    return 0;
}

HMENU CreateMyMenu()
{
    HMENU hMenu = CreateMenu();
    HMENU hSubMenu = CreatePopupMenu();

    // 添加菜单项
    AppendMenu(hSubMenu, MF_STRING, IDM_FILE_NEW, L"New");
    AppendMenu(hSubMenu, MF_STRING, IDM_FILE_OPE, L"OpenFile");
    AppendMenu(hSubMenu, MF_STRING, IDM_FILE_SAVE, L"Save");
    AppendMenu(hMenu, MF_STRING, IDM_FILE_NEW, L"jack");
    // 将子菜单添加到主菜单
    AppendMenu(hMenu, MF_POPUP, (UINT_PTR)hSubMenu, L"File");

    return hMenu;
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
    // 注册窗口类
    WNDCLASS wc = { 0 };
    wc.lpfnWndProc = WindowProc;
    wc.hInstance = hInstance;
    wc.lpszClassName =L"MyWindowClass";
    RegisterClass(&wc);

    // 创建窗口
    HWND hWnd = CreateWindow(L"MyWindowClass", L"My Window", WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT, CW_USEDEFAULT, 1960, 960,
        NULL, NULL, hInstance, NULL);

    if (hWnd == NULL)
    {
        // 窗口创建失败
        return 0;
    }

    // 创建菜单
    HMENU hMenu = CreateMyMenu();
    SetMenu(hWnd, hMenu);

    // 显示窗口
    ShowWindow(hWnd, nCmdShow);

    // 消息循环
    MSG msg;
    while (GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }

    // 销毁菜单
    DestroyMenu(hMenu);

    return msg.wParam;
}