| 提交 | 用户 | age | ||
| 61deef | 1 | |
| Q | 2 | // ChildFrm.cpp: CChildFrame 类的实现 |
| 3 | // | |
| 4 | ||
| 5 | #include "pch.h" | |
| 6 | #include "framework.h" | |
| 7 | #include "MFCMView.h" | |
| 8 | ||
| 9 | #include "ChildFrm.h" | |
| 10 | ||
| 11 | #ifdef _DEBUG | |
| 12 | #define new DEBUG_NEW | |
| 13 | #endif | |
| 14 | ||
| 15 | // CChildFrame | |
| 16 | ||
| 17 | IMPLEMENT_DYNCREATE(CChildFrame, CMDIChildWndEx) | |
| 18 | ||
| 19 | BEGIN_MESSAGE_MAP(CChildFrame, CMDIChildWndEx) | |
| 20 | ON_COMMAND(ID_FILE_CLOSE, &CChildFrame::OnFileClose) | |
| 21 | ON_WM_SETFOCUS() | |
| 22 | ON_WM_CREATE() | |
| 23 | END_MESSAGE_MAP() | |
| 24 | ||
| 25 | // CChildFrame 构造/析构 | |
| 26 | ||
| 27 | CChildFrame::CChildFrame() noexcept | |
| 28 | { | |
| 29 | // TODO: 在此添加成员初始化代码 | |
| 30 | } | |
| 31 | ||
| 32 | CChildFrame::~CChildFrame() | |
| 33 | { | |
| 34 | } | |
| 35 | ||
| 36 | ||
| 37 | BOOL CChildFrame::PreCreateWindow(CREATESTRUCT& cs) | |
| 38 | { | |
| 39 | // TODO: 在此处通过修改 CREATESTRUCT cs 来修改窗口类或样式 | |
| 40 | if( !CMDIChildWndEx::PreCreateWindow(cs) ) | |
| 41 | return FALSE; | |
| 42 | ||
| 43 | cs.style = WS_CHILD | WS_VISIBLE | WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | |
| 44 | | FWS_ADDTOTITLE | WS_THICKFRAME; | |
| 45 | ||
| 46 | cs.dwExStyle &= ~WS_EX_CLIENTEDGE; | |
| 47 | cs.lpszClass = AfxRegisterWndClass(0); | |
| 48 | return TRUE; | |
| 49 | } | |
| 50 | ||
| 51 | // CChildFrame 诊断 | |
| 52 | ||
| 53 | #ifdef _DEBUG | |
| 54 | void CChildFrame::AssertValid() const | |
| 55 | { | |
| 56 | CMDIChildWndEx::AssertValid(); | |
| 57 | } | |
| 58 | ||
| 59 | void CChildFrame::Dump(CDumpContext& dc) const | |
| 60 | { | |
| 61 | CMDIChildWndEx::Dump(dc); | |
| 62 | } | |
| 63 | #endif //_DEBUG | |
| 64 | ||
| 65 | // CChildFrame 消息处理程序 | |
| 66 | void CChildFrame::OnFileClose() | |
| 67 | { | |
| 68 | // 若要关闭框架，只需发送 WM_CLOSE， | |
| 69 | // 这相当于从系统菜单中选择关闭。 | |
| 70 | SendMessage(WM_CLOSE); | |
| 71 | } | |
| 72 | ||
| 73 | int CChildFrame::OnCreate(LPCREATESTRUCT lpCreateStruct) | |
| 74 | { | |
| 75 | if (CMDIChildWndEx::OnCreate(lpCreateStruct) == -1) | |
| 76 | return -1; | |
| 77 | ||
| 78 | // 创建一个视图以占用框架的工作区 | |
| 79 | if (!m_wndView.Create(nullptr, nullptr, AFX_WS_DEFAULT_VIEW, | |
| 80 | CRect(0, 0, 0, 0), this, AFX_IDW_PANE_FIRST, nullptr)) | |
| 81 | { | |
| 82 | TRACE0("未能创建视图窗口\n"); | |
| 83 | return -1; | |
| 84 | } | |
| 85 | ||
| 86 | return 0; | |
| 87 | } | |
| 88 | ||
| 89 | void CChildFrame::OnSetFocus(CWnd* pOldWnd) | |
| 90 | { | |
| 91 | CMDIChildWndEx::OnSetFocus(pOldWnd); | |
| 92 | ||
| 93 | m_wndView.SetFocus(); | |
| 94 | } | |
| 95 | ||
| 96 | BOOL CChildFrame::OnCmdMsg(UINT nID, int nCode, void* pExtra, AFX_CMDHANDLERINFO* pHandlerInfo) | |
| 97 | { | |
| 98 | // 让视图第一次尝试该命令 | |
| 99 | if (m_wndView.OnCmdMsg(nID, nCode, pExtra, pHandlerInfo)) | |
| 100 | return TRUE; | |
| 101 | ||
| 102 | // 否则，执行默认处理 | |
| 103 | return CMDIChildWndEx::OnCmdMsg(nID, nCode, pExtra, pHandlerInfo); | |
| 104 | } | |
