Question

我使用MSVC ++向导创建了一个win32应用程序。我添加了一个新的菜单资源并添加了典型的“文件” - >“退出”等。然后我将它添加到msvc ++中属性下的主对话框中。当我运行表单时，它显示表单上的菜单，但如果我单击文件，它甚至不执行悬停，它不会显示退出的弹出窗口。它几乎就像是残疾人。我真的不认为我需要添加任何代码。任何帮助表示赞赏。感谢。

#include "stdafx.h"

#define MAX_LOADSTRING 100

struct _globals {
    HINSTANCE hInst;
    HWND      hWnd;
} g;

LRESULT CALLBACK DialogProc(HWND, UINT, WPARAM, LPARAM);

int APIENTRY wWinMain(_In_     HINSTANCE hInstance,
                      _In_opt_ HINSTANCE hPrevInstance,
                      _In_     LPWSTR    lpCmdLine,
                      _In_     int       nCmdShow)
{

    InitCommonControls();

    g.hInst = hInstance;

    g.hWnd = CreateDialog(hInstance, MAKEINTRESOURCE(IDD_MAIN), NULL, (DLGPROC)DialogProc);
    if (g.hWnd == NULL) {
        GetLastError();
        return FALSE;
    }

    ShowWindow(g.hWnd, nCmdShow);
    UpdateWindow(g.hWnd);

    HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_ACCELLS));
    MSG msg;

    while (GetMessage(&msg, NULL, 0, 0)) {
        if (TranslateAccelerator(g.hWnd, hAccelTable, &msg))
            continue;
        if (IsDialogMessage(g.hWnd, &msg))
            continue;
        // process message
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }

    return 0;
}


LRESULT CALLBACK DialogProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)
    {
    case WM_INITDIALOG:
        break;
    case WM_COMMAND:
        {
            int wmId = LOWORD(wParam);
            switch (wmId)
            {
            case IDM_EXIT:
                DestroyWindow(hWnd);
                break;
            default:
                return DefWindowProc(hWnd, message, wParam, lParam);
            }
        }
        break;
    case WM_DESTROY:
        PostQuitMessage(0);
        break;
    default:
        return DefWindowProc(hWnd, message, wParam, lParam);
    }
    return 0;
}

// Message handler for about box.
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
    UNREFERENCED_PARAMETER(lParam);
    switch (message)
    {
    case WM_INITDIALOG:
        return (INT_PTR)TRUE;

    case WM_COMMAND:
        if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
        {
            EndDialog(hDlg, LOWORD(wParam));
            return (INT_PTR)TRUE;
        }
        break;
    }
    return (INT_PTR)FALSE;
}

Answer 1

您的DialogProc功能看起来更像是窗口过程而不是对话框过程。与窗口过程不同，dalog过程不返回LRESULT值，它们返回BOOL值，并且它们不调用DefWindowProc。还有其他一些差异。

对话框菜单没有响应点击

1 个答案: