C++ OnHelp函数代码示例

BOOL
CTagDlg::OnCommand(int id, HWND hwndCtl, UINT notifyCode)
{
    switch(id)
    {
    case IDOK: OnOK();return TRUE;break;
    case IDCANCEL: OnCancel();return TRUE;break;
    case ID_HELP: OnHelp(); return TRUE; break;
    case IDC_VERIFY_HTML: OnVerifyHtml(); return TRUE; break;
    default: return FALSE;
    }
    return FALSE;
}

/**
 * @brief Handle dialog messages.
 * @param [in] hDlg Handle to the dialog.
 * @param [in] iMsg The message.
 * @param [in] wParam The command in the message.
 * @param [in] lParam The optional parameter for the command.
 * @return TRUE if the message was handled, FALSE otherwise.
 */
INT_PTR CopyHexdumpDlg::DlgProc(HWindow *pDlg, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
	switch (iMsg)
	{
	case WM_INITDIALOG:
		return OnInitDialog(pDlg);
	case WM_COMMAND:
		return OnCommand(pDlg, wParam, lParam);
	case WM_HELP:
		OnHelp(pDlg);
		break;
	}
	return FALSE;
}

BOOL CMainFrame::OnCommand(WPARAM wParam, LPARAM lParam)
{
	UNREFERENCED_PARAMETER(lParam);

	switch(LOWORD(wParam))
	{
	case IDM_FILE_EXIT:			return OnFileExit();
	case IDM_VIEW_TEXT:			return OnViewText();
	case IDM_VIEW_LIST:			return OnViewList();
	case IDW_VIEW_STATUSBAR:	return OnViewStatusBar();
	case IDW_VIEW_TOOLBAR:		return OnViewToolBar();
	case IDM_HELP_ABOUT:		return OnHelp();
	}
	return FALSE;
}

STDMETHODIMP CMainFrame::Execute(UINT32 nCmdID, UI_EXECUTIONVERB verb, const PROPERTYKEY* key, const PROPVARIANT* ppropvarValue, IUISimplePropertySet* pCmdExProp)
{
	// This function is called when a ribbon button is pressed. 
	// Refer to IUICommandHandler::Execute in the Windows 7 SDK documentation 

	if (UI_EXECUTIONVERB_EXECUTE == verb)
	{
		switch(nCmdID)
		{
		case IDC_CMD_NEW:		OnFileNew();		break;
		case IDC_CMD_OPEN:		OnFileOpen();		break;
		case IDC_CMD_SAVE:		OnFileSave();		break;
		case IDC_CMD_SAVE_AS:	OnFileSaveAs();		break;
		case IDC_CMD_PRINT:		OnFilePrint();		break;
		case IDC_CMD_COPY:		TRACE("Copy\n");	break;
		case IDC_CMD_CUT:		TRACE("Cut\n");		break;
		case IDC_CMD_PASTE:		TRACE("Paste\n");	break;
		case IDC_CMD_ABOUT:		OnHelp();			break;
		case IDC_CMD_EXIT:		OnFileExit();		break;
		case IDC_RICHFONT:		TRACE("Font dialog\n");		break;
		case IDC_RIBBONHELP:	OnHelp();					break;
		case IDC_MRULIST:		OnMRUList(key, ppropvarValue);		break;
		case IDC_PEN_COLOR:		OnPenColor(ppropvarValue, pCmdExProp);	break;
		case IDC_CUSTOMIZE_QAT:	TRACE("Customize Quick Access ToolBar\n");	break;
		default:
			{
				CString str;
				str.Format(_T("Unknown Button %d\n"),nCmdID);
				TRACE(str);
			}
			break;
		}
	}

	return S_OK;
}

/**
 * @brief Handle dialog messages.
 * @param [in] hDlg Handle to the dialog.
 * @param [in] iMsg The message.
 * @param [in] wParam The command in the message.
 * @param [in] lParam The optional parameter for the command.
 * @return TRUE if the message was handled, FALSE otherwise.
 */
INT_PTR MoveCopyDlg::DlgProc(HWND hDlg, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
	switch (iMsg)
	{
	case WM_INITDIALOG:
		return OnInitDialog(hDlg);
	case WM_COMMAND:
		return OnCommand(hDlg, wParam, lParam);

	case WM_HELP:
		OnHelp(hDlg);
		break;
	}
	return FALSE;
}

/*-------------------------------------------
  dialog procedure
---------------------------------------------*/
INT_PTR CALLBACK DlgProc(HWND hDlg, UINT message,
	WPARAM wParam, LPARAM lParam)

{
	switch(message)
	{
		case WM_INITDIALOG:
			OnInitDialog(hDlg);
			return TRUE;
		case WM_COMMAND:
		{
			WORD id; // , code;
			id = LOWORD(wParam); // code = HIWORD(wParam);
			switch(id)
			{
				case IDC_APPLY:
					OnApply(hDlg);
					break;
				case IDC_MYHELP:
					OnHelp(hDlg);
					break;
				case IDOK:
					OnOK(hDlg);
				case IDCANCEL:
					if(g_hfontDialog)
						DeleteObject(g_hfontDialog);
					SetMyRegLong(NULL, "LastTreeItem", m_lastTreeItem);
					EndDialog(hDlg, id);
					break;
			}
			return TRUE;
		}
		case WM_NOTIFY:
		{
			NM_TREEVIEW* pNMTV = (NM_TREEVIEW *)lParam;
			if(pNMTV->hdr.code == TVN_SELCHANGED)
			{
				OnTVChanged(hDlg, (int)pNMTV->itemNew.lParam);
				return TRUE;
			}
			break;
		}
		case PSM_CHANGED:
			EnableDlgItem(hDlg, IDC_APPLY, TRUE);
			return TRUE;
	}
	return FALSE;
}

bool
WndProperty::on_mouse_down(int x, int y)
{
  POINT Pos;

  if (mDialogStyle) {
    if (!edit.is_read_only()) {
      // when they click on the label
      SingleWindow *root = (SingleWindow *)get_root_owner();

      /* if this asserton fails, then there no valid root window could
         be found - maybe it didn't register its wndproc? */
      assert(root != NULL);

      dlgComboPicker(*root, this);
    } else {
      OnHelp(); // this would display xml file help on a read-only wndproperty if it exists
    }
  } else {
    if (!edit.has_focus()) {
      if (!edit.is_read_only())
        edit.set_focus();

      return true;
    }

    Pos.x = x;
    Pos.y = y;
    //POINTSTOPOINT(Pos, MAKEPOINTS(lParam));

    mDownDown = (PtInRect(&mHitRectDown, Pos) != 0);
    if (mDownDown) {
      DecValue();
      invalidate(mHitRectDown);
    }

    mUpDown = (PtInRect(&mHitRectUp, Pos) != 0);
    if (mUpDown) {
      IncValue();
      invalidate(mHitRectUp);
    }

    set_capture();
  }

  return true;
}

BOOL CMainFrame::OnCommand(WPARAM wParam, LPARAM lParam)
{
    // OnCommand responds to menu and and toolbar input
    UNREFERENCED_PARAMETER(lParam);

    switch (LOWORD(wParam)) {
    case IDM_FILE_OPEN:
        // Refer to the tutorial for an example of OnFileOpen
        OnFileOpen();
        return TRUE;

    case IDM_FILE_SAVE:
        // Refer to the tutorial for an example of OnFileSave
        OnFileSave();
        return TRUE;

    case IDM_FILE_SAVEAS:
        // Refer to the tutorial for an example of OnFileSaveAs
        OnFileSave();
        return TRUE;

    case IDM_FILE_PRINT:
        OnFilePrint();
        return TRUE;

    case IDM_FILE_EXIT:
        // End the application
        ::PostMessage(m_hWnd, WM_CLOSE, 0, 0);
        return TRUE;

    case IDW_VIEW_STATUSBAR:
        OnViewStatusBar();
        return TRUE;

    case IDW_VIEW_TOOLBAR:
        OnViewToolBar();
        return TRUE;

    case IDM_HELP_ABOUT:
        // Display the help dialog
        OnHelp();
        return TRUE;
    }

    return FALSE;
}

// unfortunately, under GTK we won't get the original wxKeyEvent
// to reset m_metaDown
void frmMain::OnTreeKeyDown(wxTreeEvent& event)
{
    switch (event.GetKeyCode())
    {
	case WXK_F1:
	    OnHelp(event);
	    break;
	case WXK_F5:
	    Refresh(currentObject);
	    break;
	case WXK_DELETE:
	    OnDelete(event);
	    break;
	default:
	    event.Skip();
	    break;
    }
}

bool CDialog::OnButtonClicked(int buttonID, HWND buttonHWND) 
{ 
  switch(buttonID)
  {
    case IDOK:
      OnOK();
      break;
    case IDCANCEL:
      OnCancel();
      break;
    case IDHELP:
      OnHelp();
      break;
    default:
      return false;
  }
  return true;
}

// Hellup!
afx_msg LRESULT CDynDialogEx::OnHelpMsg(WPARAM wParam, LPARAM lParam)
{
	//lParam		<<-- Contains: (LPHELPINFO)lParam
	// >> typedef  struct  tagHELPINFO { 
	//     UINT     cbSize; 
	//     int      iContextType 
	//     int      iCtrlId; 
	//     HANDLE   hItemHandle; 
	//     DWORD    dwContextId; 
	//     POINT    MousePos; 
	// } HELPINFO, FAR *LPHELPINFO;

	//
	// User pressed F1 in dialog, call the OnHelp() function, this can be overridden...
	//
	OnHelp();
	return TRUE;
}

void
WndProperty::BeginEditing()
{
  if (edit.is_read_only()) {
    /* this would display xml file help on a read-only wndproperty if
       it exists */
    OnHelp();
  } else if (mDialogStyle) {
    SingleWindow *root = (SingleWindow *)get_root_owner();

    /* if this asserton fails, then there no valid root window could
       be found - maybe it didn't register its wndproc? */
    assert(root != NULL);

    dlgComboPicker(*root, this);
  } else {
    edit.set_focus();
  }
}

BOOL CMainFrame::OnCommand(WPARAM wParam, LPARAM lParam)
{
	// Process the messages from the Menu and Tool Bar
	switch (LOWORD(wParam))
	{
	case IDM_FILE_NEW:
		m_View.ClearPoints();
		m_PathName = _T("");
		return TRUE;
	case IDM_FILE_OPEN:
		OnFileOpen();
		return TRUE;
	case IDM_FILE_SAVE:
		OnFileSave();
		return TRUE;
	case IDM_FILE_SAVEAS:
		OnFileSaveAs();
		return TRUE;
	case IDM_FILE_PRINT:
		::MessageBox(NULL, _T("File Print Implemented Later"), _T("Menu"), MB_OK);
		return TRUE;
	case IDM_PEN_RED:
		m_View.SetPen(RGB(255,0,0));
		return TRUE;
	case IDM_PEN_BLUE:
		m_View.SetPen(RGB(0,0,255));
		return TRUE;
	case IDM_PEN_GREEN:
		m_View.SetPen(RGB(0,196,0));
		return TRUE;
	case IDM_PEN_BLACK:
		m_View.SetPen(RGB(0,0,0));
		return TRUE;
	case IDM_HELP_ABOUT:
		OnHelp();
		return TRUE;
	case IDM_FILE_EXIT:
		::PostMessage(m_hWnd, WM_CLOSE, 0, 0);
		return TRUE;
	}

	return FALSE;
}

BOOL CMainFrame::OnCommand(WPARAM wParam, LPARAM lParam)
{
	// OnCommand responds to menu and and toolbar input

	UNREFERENCED_PARAMETER(lParam);

	switch(LOWORD(wParam))
	{
	case IDM_FILE_EXIT:		 OnFileExit();		return TRUE;
	case IDM_MODELESS:		 OnModeless();		return TRUE;
	case IDM_MODAL:			 OnModal();			return TRUE;
	case IDM_WIZARD:		 OnWizard();		return TRUE;
	case IDW_VIEW_STATUSBAR: OnViewStatusBar();	return TRUE;
	case IDW_VIEW_TOOLBAR:	 OnViewToolBar();	return TRUE;
	case IDM_HELP_ABOUT:	 OnHelp();			return TRUE;
	}

	return FALSE;
}

BOOL CMainFrame::OnCommand(WPARAM wParam, LPARAM lParam)
{
	// OnCommand responds to menu and and toolbar input

	UNREFERENCED_PARAMETER(lParam);

	switch(LOWORD(wParam))
	{
	case IDM_FILE_OPEN:			return OnFileOpen();
	case IDM_FILE_SAVE:			return OnFileSave();
	case IDM_FILE_SAVEAS:		return OnFileSave();
	case IDM_FILE_PRINT:		return OnFilePrint();
	case IDM_FILE_EXIT:			return OnFileExit();
	case IDW_VIEW_STATUSBAR:	return OnViewStatusBar();
	case IDW_VIEW_TOOLBAR:		return OnViewToolBar();
	case IDM_HELP_ABOUT:		return OnHelp();
	}

	return FALSE;
}