c++ - WinAPI GUI 看起来很奇怪。应使用默认的 Windows 样式

问题描述

我正在尝试使用选项卡控件制作一个简单的窗口 GUI。问题是 GUI 在某种程度上没有将默认的 Windows 样式应用于按钮。我该如何解决？

#include <Windows.h>
#include <CommCtrl.h>

#pragma comment(lib, "Comctl32.lib")

#pragma comment(linker, "/SUBSYSTEM:WINDOWS")

#define ID_TABCTRL 1
#define ID_EDIT 2
#define BTN_ADD 3
#define BTN_DEL 4
#define BTN_CLR 5
#define MAX_TAB_LEN 15

LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
    switch (msg)
    {
    case WM_CREATE:
        TCITEMW tie;
        wchar_t text[4];
        LRESULT count, id;
        INITCOMMONCONTROLSEX icex;

        icex.dwSize = sizeof(INITCOMMONCONTROLSEX);
        icex.dwICC = ICC_TAB_CLASSES;
        InitCommonControlsEx(&icex);

        HWND hTab, hEdit;
        
        hTab = CreateWindowExW(0, WC_TABCONTROLW, nullptr, WS_CHILD | WS_VISIBLE,
            0, 0, 200, 150, hwnd, (HMENU)ID_TABCTRL, nullptr, nullptr);

        hEdit = CreateWindowExW(0, WC_EDITW, nullptr, WS_CHILD | WS_VISIBLE | WS_BORDER,
            250, 20, 100, 25, hwnd, (HMENU)ID_EDIT, nullptr, nullptr);

        SendMessageW(hEdit, EM_SETLIMITTEXT, MAX_TAB_LEN, 0);

        CreateWindowExW(0, WC_BUTTONW, L"Add", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
            250, 50, 100, 25, hwnd, (HMENU)BTN_ADD, nullptr, nullptr);

        CreateWindowExW(0, WC_BUTTONW, L"Delete", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
            250, 80, 100, 25, hwnd, (HMENU)BTN_DEL, nullptr, nullptr);

        CreateWindowExW(0, WC_BUTTONW, L"Clear", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
            250, 110, 100, 25, hwnd, (HMENU)BTN_CLR, nullptr, nullptr);
        
        break;
    case WM_CLOSE:
        DestroyWindow(hwnd);
        break;
    case WM_DESTROY:
        PostQuitMessage(0);
        break;
    default:
        return DefWindowProcW(hwnd, msg, wParam, lParam);
    }
    return 0;
}

int WINAPI WinMain(
    _In_ HINSTANCE hInstance,
    _In_opt_ HINSTANCE hPrevInstance,
    _In_ LPSTR lpCmdLine,
    _In_ int nShowCmd
)
{
    const wchar_t g_szClassName[] = L"MainForm";
    
    // Register the window class
    WNDCLASSEXW wc;
    wc.cbSize = sizeof(WNDCLASSEXW);
    wc.style = 0;
    wc.lpfnWndProc = WndProc;
    wc.cbClsExtra = 0;
    wc.cbWndExtra = 0;
    wc.hInstance = hInstance;
    wc.hIcon = LoadIconW(nullptr, IDI_APPLICATION);
    wc.hCursor = LoadCursorW(nullptr, IDC_ARROW);
    wc.hbrBackground = reinterpret_cast<HBRUSH>(COLOR_WINDOW + 1);
    wc.lpszMenuName = nullptr;
    wc.lpszClassName = g_szClassName;
    wc.hIconSm = LoadIconW(nullptr, IDI_APPLICATION);

    if (!RegisterClassExW(&wc))
    {
        MessageBoxW(nullptr, L"Window Registration Failed!", L"Error!", MB_ICONEXCLAMATION | MB_OK);
        return 0;
    }

    // Create the window
    HWND hwnd = CreateWindowExW(WS_EX_CLIENTEDGE, g_szClassName, L"Test", WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT, CW_USEDEFAULT, 840, 520, nullptr, nullptr, hInstance, nullptr);

    if (!hwnd)
    {
        MessageBoxW(nullptr, L"Window Creation Failed!", L"Error!", MB_ICONEXCLAMATION | MB_OK);
        return 0;
    }

    ShowWindow(hwnd, nShowCmd);
    UpdateWindow(hwnd);

    // The message loop
    MSG msg;
    while (GetMessageW(&msg, nullptr, 0, 0) > 0)
    {
        TranslateMessage(&msg);
        DispatchMessageW(&msg);
    }
    return msg.wParam;
}

标签： c++winapi

c++ - WinAPI GUI 看起来很奇怪。应使用默认的 Windows 样式

问题描述

解决方案

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