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CMFCRibbonCategory Class

 

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The CMFCRibbonCategory class implements a ribbon tab that contains a group of ribbon panels.

Syntax

class CMFCRibbonCategory : public CObject  

Members

Protected Constructors

Name Description
CMFCRibbonCategory::CMFCRibbonCategory The constructor.

Public Methods

Name Description
CMFCRibbonCategory::AddHidden Adds a hidden element to the ribbon category.
CMFCRibbonCategory::AddPanel Adds a new panel to the ribbon category.
CMFCRibbonCategory::CopyFrom
CMFCRibbonCategory::FindByData
CMFCRibbonCategory::FindByID
CMFCRibbonCategory::FindPanelWithElem
CMFCRibbonCategory::GetContextID Returns the context ID of the ribbon category.
CMFCRibbonCategory::GetData Returns the user-defined data that is associated with the ribbon category.
CMFCRibbonCategory::GetDroppedDown
CMFCRibbonCategory::GetElements
CMFCRibbonCategory::GetElementsByID
CMFCRibbonCategory::GetFirstVisibleElement Obtain a first visible element that belong to the ribbon category.
CMFCRibbonCategory::GetFocused Returns a focused element.
CMFCRibbonCategory::GetHighlighted Returns a highlighted element.
CMFCRibbonCategory::GetImageCount
CMFCRibbonCategory::GetImageSize
CMFCRibbonCategory::GetItemIDsList
CMFCRibbonCategory::GetLastVisibleElement Obtain a last visible element that belong to the ribbon category
CMFCRibbonCategory::GetLargeImages Returns a reference to the list of large images that the ribbon category uses.
CMFCRibbonCategory::GetMaxHeight
CMFCRibbonCategory::GetName
CMFCRibbonCategory::GetPanel Returns a pointer to the ribbon panel that is located at the specified index.
CMFCRibbonCategory::GetPanelCount Returns the number of ribbon panels in the ribbon category.
CMFCRibbonCategory::GetPanelFromPoint
CMFCRibbonCategory::GetPanelIndex Returns the index of the specified ribbon panel.
CMFCRibbonCategory::GetParentButton
CMFCRibbonCategory::GetParentMenuBar
CMFCRibbonCategory::GetParentRibbonBar
CMFCRibbonCategory::GetRect
CMFCRibbonCategory::GetSmallImages Returns a reference to the list of small images that the category uses.
CMFCRibbonCategory::GetTabColor Returns the current color of the ribbon category tab.
CMFCRibbonCategory::GetTabRect
CMFCRibbonCategory::GetTextTopLine
CMFCRibbonCategory::GetVisibleElements Obtain all visible elements that belong to the ribbon category.
CMFCRibbonCategory::HighlightPanel
CMFCRibbonCategory::HitTest
CMFCRibbonCategory::HitTestEx
CMFCRibbonCategory::HitTestScrollButtons
CMFCRibbonCategory::IsActive
CMFCRibbonCategory::IsVisible Determines whether the ribbon category is visible.
CMFCRibbonCategory::IsWindows7Look Indicates whether the parent ribbon has Windows 7-style look (small rectangular application button)
CMFCRibbonCategory::NotifyControlCommand
CMFCRibbonCategory::OnCancelMode
CMFCRibbonCategory::OnDraw
CMFCRibbonCategory::OnDrawImage
CMFCRibbonCategory::OnDrawMenuBorder
CMFCRibbonCategory::OnKey Called by the framework when a user presses a keyboard button.
CMFCRibbonCategory::OnLButtonDown
CMFCRibbonCategory::OnLButtonUp
CMFCRibbonCategory::OnMouseMove
CMFCRibbonCategory::OnRTLChanged
CMFCRibbonCategory::OnScrollHorz
CMFCRibbonCategory::OnUpdateCmdUI
CMFCRibbonCategory::RecalcLayout
CMFCRibbonCategory::RemovePanel
CMFCRibbonCategory::ReposPanels
CMFCRibbonCategory::SetCollapseOrder Defines the collapse order of the ribbon panels that are present in the ribbon category.
CMFCRibbonCategory::SetData Stores the user defined data in the ribbon category.
CMFCRibbonCategory::SetKeys Assigns a keytip to the ribbon category.
CMFCRibbonCategory::SetName
CMFCRibbonCategory::SetTabColor Sets the color of the ribbon category.

Remarks

Typically, you create a ribbon category indirectly by calling CMFCRibbonBar::AddCategory, which returns a pointer to the newly created ribbon category. You add panels to the category by calling CMFCRibbonCategory::AddPanel.

The CMFCRibbonTab class draws ribbon categories. It is derived from CMFCRibbonBaseElement Class.

This following example demonstrates how to create a ribbon category and add a panel to it.

// Create a new ribbon category and get a pointer to it

CMFCRibbonCategory* pCategory = m_wndRibbonBar.AddCategory

(_T("&Write"), // Category name

IDB_WRITE, // Category small images (16 x 16)

IDB_WRITE_LARGE); // Category large images (32 x 32)

// Add a panel to the new category

CMFCRibbonPanel* pPanel = pCategory->AddPanel (

_T("Clipboard"), // Panel name

m_PanelIcons.ExtractIcon (0)); // Panel icon

The following diagram shows a figure of the Home category from the RibbonApp sample application.

CMFCRibbonCategory image

Inheritance Hierarchy

CObject

CMFCRibbonCategory

Requirements

Header: afxribboncategory.h

CMFCRibbonCategory::AddHidden

Adds the specified ribbon element to the array of ribbon elements that are displayed on the customization dialog box.

void AddHidden(CMFCRibbonBaseElement* pElem);

Parameters

[in] pElem
Pointer to a ribbon element.

Remarks

Ribbon elements on the customization dialog box are the commands that you can add to the quick access toolbar.

CMFCRibbonCategory::AddPanel

Creates a ribbon panel for the ribbon category.

CMFCRibbonPanel* AddPanel(
    LPCTSTR lpszPanelName,  
    HICON hIcon = 0,  
    CRuntimeClass* pRTI = NULL);

Parameters

[in] lpszPanelName
Pointer to the name of the new ribbon panel.

[in] hIcon
Handle to the default icon for the new ribbon panel.

[in] pRTI
Pointer to runtime class information for a custom ribbon panel.

Return Value

Pointer to the new ribbon panel if the method was successful; otherwise NULL if the panel was not created.

Remarks

If you want to create a custom ribbon panel, you must specify its runtime class information in pRTI. The custom ribbon panel class must be derived from the CMFCRibbonPanel class.

The default icon for the ribbon panel is displayed when there is insufficient space to display the ribbon elements.

Example

The following example demonstrates how to use the AddPanel method in the CMFCRibbonCategory class.

   // Create "Favorites" panel:
    strTemp.LoadString(IDS_RIBBON_FAVORITES);
    // CMFCRibbonCategory* pCategoryCustom
    CMFCRibbonPanel* pPanelFavorites = pCategoryCustom->AddPanel(strTemp, 
        m_PanelImages.ExtractIcon(15));

CMFCRibbonCategory::CMFCRibbonCategory

Constructs and initializes a CMFCRibbonCategory object.

CMFCRibbonCategory(
    CMFCRibbonBar* pParenrRibbonBar,  
    LPCTSTR lpszName,  
    UINT uiSmallImagesResID,  
    UINT uiLargeImagesResID,  
    CSize sizeSmallImage = CSize(16,
    16),  
    CSize sizeLargeImage = CSize(32,
    32));

Parameters

[in] pParenrRibbonBar
Pointer to the parent ribbon bar of the ribbon category.

[in] lpszName
Name of the ribbon category.

[in] uiSmallImagesResID
Resource ID of the image list for small images that are used by ribbon elements in the ribbon category.

[in] uiLargeImagesResID
Resource ID of the image list for large images that are used by ribbon elements in the ribbon category.

[in] sizeSmallImage
Default size of small images for ribbon elements in the ribbon category.

[in] sizeLargeImage
Default size of large images for ribbon elements in the ribbon category.

CMFCRibbonCategory::CopyFrom

Copies the state of the specified CMFCRibbonCategory to the current CMFCRibbonCategory object.

virtual void CopyFrom(CMFCRibbonCategory& src);

Parameters

[in] src
The source CMFCRibbonCategory object.

Remarks

CMFCRibbonCategory::FindByData

Retrieves the ribbon element associated with the specified data.

CMFCRibbonBaseElement* FindByData(
    DWORD_PTR dwData,  
    BOOL bVisibleOnly = TRUE) const;  

Parameters

[in] dwData
The data associated with a ribbon element.

[in] bVisibleOnly
TRUE to include quick access ribbon elements in the search; FALSE to exclude quick access ribbon elements in the search.

Return Value

Pointer to a ribbon element if the method was successful; otherwise NULL.

Remarks

CMFCRibbonCategory::FindByID

Retrieves the ribbon element associated with the specified command ID.

CMFCRibbonBaseElement* FindByID(
    UINT uiCmdID,  
    BOOL bVisibleOnly = TRUE) const;  

Parameters

[in] uiCmdID
Command ID associated with a ribbon element.

[in] bVisibleOnly
TRUE to include quick access ribbon elements in the search; FALSE to exclude quick access ribbon elements in the search.

Return Value

Pointer to a ribbon element if the method was successful; otherwise NULL.

Remarks

CMFCRibbonCategory::FindPanelWithElem

Retrieves the ribbon panel that contains the specified ribbon element.

CMFCRibbonPanel* FindPanelWithElem(const CMFCRibbonBaseElement* pElement);

Parameters

[in] pElement
Pointer to a ribbon element.

Return Value

Pointer to a ribbon panel if the method was successful; otherwise NULL.

Remarks

CMFCRibbonCategory::GetContextID

Retrieves the context ID of the ribbon category.

UINT GetContextID() const;  

Return Value

Context ID of the ribbon category.

Remarks

The context ID is 0 if the ribbon category is not a context ribbon category.

CMFCRibbonCategory::GetData

Retrieves the user-defined data that is associated with the ribbon category.

DWORD_PTR GetData() const;  

Return Value

The user-defined data that is associated with the ribbon category.

CMFCRibbonCategory::GetDroppedDown

Retrieves a pointer to the ribbon element that currently has its pop-up menu displayed.

CMFCRibbonBaseElement* GetDroppedDown();

Return Value

Pointer to a ribbon element if the method was successful; otherwise NULL.

Remarks

CMFCRibbonCategory::GetElements

Retrieves all ribbon elements in the ribbon category.

void GetElements(
    CArray <CMFCRibbonBaseElement*, CMFCRibbonBaseElement*>& arElements);

Parameters

[in, out] arElements
Reference to a CArray of ribbon elements.

Remarks

Ribbon elements that are designed for use on the quick access toolbar are included in the array.

CMFCRibbonCategory::GetElementsByID

Retrieves all ribbon elements that are associated with the specified command ID.

void GetElementsByID(
    UINT uiCmdID,  
    CArray <CMFCRibbonBaseElement*, CMFCRibbonBaseElement*>& arElements);

Parameters

[in] uiCmdID
Command ID associated with a ribbon element.

[in, out] arElements
Reference to a CArray of ribbon elements.

Remarks

Ribbon elements that are designed for use on the quick access toolbar are included in the array.

CMFCRibbonCategory::GetFirstVisibleElement

Retrieves the first visible element that belongs to the ribbon category.

CMFCRibbonBaseElement* GetFirstVisibleElement() const;  

Return Value

Pointer to the first visible element; may be NULL if category does not have any visible elements.

Remarks

CMFCRibbonCategory::GetFocused

Returns a focused element.

CMFCRibbonBaseElement* GetFocused();

Return Value

A pointer to a focused element or NULL.

Remarks

CMFCRibbonCategory::GetHighlighted

Returns a highlighted element.

CMFCRibbonBaseElement* GetHighlighted();

Return Value

A pointer to a highlighted element or NULL if no elements are highlighted.

Remarks

CMFCRibbonCategory::GetImageCount

Retrieves the number of images in the specified image list that is contained in the ribbon category.

int GetImageCount(BOOL bIsLargeImage) const;  

Parameters

[in] bIsLargeImage
TRUE for the number of images in the large image list; FALSE for the number of images in the small image list.

Return Value

The number of images in the specified image list.

Remarks

CMFCRibbonCategory::GetImageSize

Retrieves the size of an image in the specified image list that is contained in the ribbon category.

CSize GetImageSize(BOOL bIsLargeImage) const;  

Parameters

[in] bIsLargeImage
TRUE for the size of large images; FALSE for the size of small images.

Return Value

The size of an image in the specified image list.

Remarks

The size retrieved includes the global image scale factor.

CMFCRibbonCategory::GetItemIDsList

Retrieves the command IDs for the ribbon elements that are contained in the ribbon category.

void GetItemIDsList(CList<UINT, UINT>& lstItems,  
    BOOL bHiddenOnly = FALSE) const;  

Parameters

[out] lstItems
The list of command IDs for the ribbon elements in the ribbon category.

[in] bHiddenOnly
TRUE to exclude ribbon elements displayed on the ribbon panels in the ribbon category; FALSE to include all ribbon elements in the ribbon category.

Remarks

CMFCRibbonCategory::GetLargeImages

Retrieves the list of large images that are contained in the ribbon category.

CMFCToolBarImages& GetLargeImages();

Return Value

The list of large images that are contained in the ribbon category.

CMFCRibbonCategory::GetLastVisibleElement

Retrieves the last visible element that belongs to the ribbon category.

CMFCRibbonBaseElement* GetLastVisibleElement() const;  

Return Value

Pointer to the last visible element; may be NULL if the category does not have any visible elements.

Remarks

CMFCRibbonCategory::GetMaxHeight

Retrieves the maximum height of the ribbon panels that are contained in the ribbon category.

int GetMaxHeight(CDC* pDC);

Parameters

[in] pDC
Pointer to a device context for the ribbon panels.

Return Value

The maximum height of the ribbon panels that are contained in the ribbon category.

Remarks

The value retrieved includes the height of the top and bottom margins for the ribbon panels.

CMFCRibbonCategory::GetName

Retrieves the name of the ribbon category.

LPCTSTR GetName() const;  

Return Value

The name of the ribbon category.

Remarks

CMFCRibbonCategory::GetPanel

Returns a pointer to the ribbon panel that is located at the specified index.

CMFCRibbonPanel* GetPanel(int nIndex);

Parameters

[in] nIndex
The zero-based index of a ribbon panel.

Return Value

Pointer to the ribbon panel that is located at the specified index.

Remarks

An exception is thrown if nIndex is out of range.

CMFCRibbonCategory::GetPanelCount

Returns the number of ribbon panels in the ribbon category.

int GetPanelCount() const;  

Return Value

The number of ribbon panels in the ribbon category.

CMFCRibbonCategory::GetPanelFromPoint

Retrieves a pointer to a ribbon panel if the specified point is located in it.

CMFCRibbonPanel* GetPanelFromPoint(CPoint point) const;  

Parameters

[in] point
The x and y coordinates of the pointer, relative to the upper-left corner of the window.

Return Value

Pointer to a ribbon panel if the method was successful; otherwise NULL.

Remarks

Only ribbon panels that are contained in the ribbon category are tested.

CMFCRibbonCategory::GetPanelIndex

Retrieves the zero-based index of the specified ribbon panel.

int GetPanelIndex(const CMFCRibbonPanel* pPanel) const;  

Parameters

[in] pPanel
Pointer to a ribbon panel.

Return Value

Zero-based index of the specified ribbon panel if the method was successful; otherwise -1.

Remarks

Only ribbon panels that are contained in the ribbon category are searched.

CMFCRibbonCategory::GetParentButton

Retrieves the parent ribbon element of the ribbon category.

CMFCRibbonBaseElement* GetParentButton() const;  

Return Value

Returns a pointer to the parent ribbon element, or NULL if there is no parent element.

Remarks

CMFCRibbonCategory::GetParentMenuBar

Returns a pointer to the parent menu bar of the CMFCRibbonCategory object.

CMFCRibbonPanelMenuBar* GetParentMenuBar() const;  

Return Value

Returns the contents of the m_pParentMenuBar protected member.

Remarks

CMFCRibbonCategory::GetParentRibbonBar

Retrieves the parent ribbon bar for the ribbon category.

CMFCRibbonBar* GetParentRibbonBar() const;  

Return Value

Pointer to the parent ribbon bar for the ribbon category.

Remarks

CMFCRibbonCategory::GetRect

Retrieves the display rectangle for the ribbon category.

CRect GetRect() const;  

Return Value

The display rectangle for the ribbon category.

Remarks

The display rectangle for the ribbon category does not include the category tab.

CMFCRibbonCategory::GetSmallImages

Retrieves the list of small images that are contained in the ribbon category.

CMFCToolBarImages& GetSmallImages();

Return Value

The list of small images that are contained in the ribbon category.

CMFCRibbonCategory::GetTabColor

Returns the current color of the ribbon category tab.

AFX_RibbonCategoryColor GetTabColor() const;  

Return Value

The current color of the ribbon category tab.

Remarks

The returned value can be one of the following enumerated values:

  • AFX_CategoryColor_Red

  • AFX_CategoryColor_Orange

  • AFX_CategoryColor_Yellow

  • AFX_CategoryColor_Green

  • AFX_CategoryColor_Blue

  • AFX_CategoryColor_Indigo

  • AFX_CategoryColor_Violet

CMFCRibbonCategory::GetTabRect

Retrieves the display rectangle for the ribbon category tab.

CRect GetTabRect() const;  

Return Value

The display rectangle for the ribbon category tab.

Remarks

CMFCRibbonCategory::GetTextTopLine

Retrieves the vertical location of text on ribbon buttons in the ribbon category that display large images.

int GetTextTopLine() const;  

Return Value

The vertical location of text, in pixels, on ribbon buttons that display large images.

Remarks

CMFCRibbonCategory::GetVisibleElements

Retrieves all visible elements that belong to the ribbon category.

void GetVisibleElements(
    CArray <CMFCRibbonBaseElement*,  
    CMFCRibbonBaseElement*>& arElements);

Parameters

arElements
Array of all visible elements.

Remarks

CMFCRibbonCategory::HighlightPanel

Highlights the specified ribbon panel.

CMFCRibbonPanel* HighlightPanel(
    CMFCRibbonPanel* pHLPanel,  
    CPoint point);

Parameters

[in] pHLPanel
Pointer to the ribbon panel to highlight.

[in] point
The x and y coordinates of the pointer, relative to the upper-left corner of the window.

Return Value

Pointer to the previously highlighted ribbon panel; otherwise NULL if no ribbon panel is highlighted when this method is invoked.

Remarks

For more information about highlighting a ribbon panel, see CMFCRibbonPanel::Highlight.

CMFCRibbonCategory::HitTest

Retrieves a pointer to a ribbon element if the specified point is located in it.

CMFCRibbonBaseElement* HitTest(
    CPoint point,  
    BOOL bCheckPanelCaption = FALSE) const;  

Parameters

[in] point
The x and y coordinates of the mouse pointer, relative to the upper-left corner of the window.

[in] bCheckPanelCaption
TRUE to test the ribbon panel caption; FALSE to exclude the ribbon panel caption.

Return Value

Pointer to a ribbon element if the method was successful; otherwise NULL.

Remarks

Only ribbon elements that are contained in the ribbon category are tested.

CMFCRibbonCategory::HitTestEx

Retrieves the zero-based index of a ribbon element if the specified point is located in it.

int HitTestEx(CPoint point) const;  

Parameters

[in] point
The x and y coordinates of the mouse pointer, relative to the upper-left corner of the window.

Return Value

Zero-based index of a ribbon element if the method was successful; otherwise -1.

Remarks

Only ribbon elements that are contained in the ribbon category are tested.

CMFCRibbonCategory::HitTestScrollButtons

If a point falls within a ribbon category’s left or right scroll button, returns a pointer to that button.

CMFCRibbonBaseElement* HitTestScrollButtons(CPoint point) const;  

Parameters

[in] point
The point to test.

Return Value

If point falls within the bounding rectangle of either the left or the right scroll button of the ribbon category, returns a pointer to that button, or otherwise, returns NULL.

Remarks

CMFCRibbonCategory::IsActive

Indicates whether the ribbon category is the active category on the ribbon bar.

BOOL IsActive() const;  

Return Value

TRUE if the ribbon category is the active category; otherwise FALSE.

Remarks

The active ribbon category displays its ribbon panels.

CMFCRibbonCategory::IsVisible

Indicates whether the ribbon category is visible.

BOOL IsVisible() const;  

Return Value

TRUE if the ribbon category is visible; otherwise FALSE.

Remarks

Ribbon categories that are visible display a category tab.

CMFCRibbonCategory::IsWindows7Look

Indicates whether the parent ribbon has Windows 7 look (small rectangular application button).

BOOL IsWindows7Look() const;  

Return Value

TRUE if the parent ribbon has Windows 7 look; otherwise FALSE.

Remarks

CMFCRibbonCategory::NotifyControlCommand

Delivers a WM_NOTIFY command message to all CMFCRibbonPanel elements in the CMFCRibbonCategory until the message is handled.

virtual BOOL NotifyControlCommand(
    BOOL bAccelerator,  
    int nNotifyCode,  
    WPARAM wParam,  
    LPARAM lParam);

Parameters

[in] bAccelerator
TRUE if this command originated from an accelerator, or FALSE otherwise.

[in] nNotifyCode
The notification code.

[in] wParam
The WPARAM field of the message.

[in] lParam
The LPARAM field of the message.

Return Value

Returns TRUE if the message was handled, or FALSE if not.

Remarks

CMFCRibbonCategory::OnCancelMode

Invokes cancel mode in all the CMFCRibbonPanel elements of the CMFCRibbonCategory.

virtual void OnCancelMode();

Remarks

CMFCRibbonCategory::OnDraw

Called by the framework to draw the ribbon category.

virtual void OnDraw(CDC* pDC);

Parameters

[in] pDC
Pointer to a device context for the ribbon category.

Remarks

CMFCRibbonCategory::OnDrawImage

Called by the framework to draw the specified image on the ribbon category.

virtual BOOL OnDrawImage(
    CDC* pDC,  
    CRect rect,  
    CMFCRibbonBaseElement* pElement,  
    BOOL bIsLargeImage,  
    BOOL nImageIndex,  
    BOOL bCenter);

Parameters

[in] pDC
Pointer to a device context for the image.

[in] rect
Display rectangle for the image.

[in] pElement
Pointer to the ribbon element that contains the image.

[in] bIsLargeImage
TRUE if the image is the large size; FALSE if the image is the small size.

[in] nImageIndex
Zero-based index of the image in the image array that is contained in the ribbon category.

[in] bCenter
TRUE to center the image in the display rectangle; FALSE to draw the image in the upper-left corner of the display rectangle.

Return Value

TRUE if the method was successful; otherwise FALSE.

Remarks

CMFCRibbonCategory::OnDrawMenuBorder

Called by the framework to draw the border of a popup menu.

virtual void OnDrawMenuBorder(
    CDC* pDC,  
    CMFCRibbonPanelMenuBar* pMenuBar);

Parameters

[in] pDC
This parameter is not used.

[in] pMenuBar
This parameter is not used.

Remarks

By default this method does nothing. Override this method to draw the border of a popup menu.

CMFCRibbonCategory::OnKey

Called by the framework when a user presses a keyboard button.

virtual BOOL OnKey(UINT nChar);

Parameters

nChar
The virtual key code for the key that a user pressed.

Remarks

CMFCRibbonCategory::OnLButtonDown

Called by the framework to retrieve the ribbon element under the specified point when the user presses the left mouse button.

virtual CMFCRibbonBaseElement* OnLButtonDown(CPoint point);

Parameters

[in] point
The x and y coordinates of the mouse pointer, relative to the upper-left corner of the window.

Return Value

Pointer to a ribbon element if the method was successful; otherwise NULL.

Remarks

CMFCRibbonCategory::OnLButtonUp

Called by the framework when the user releases the left mouse button and the pointer is over the ribbon category.

virtual void OnLButtonUp(CPoint point);

Parameters

[in] point
The x and y coordinates of the pointer, relative to the upper-left corner of the window.

Remarks

CMFCRibbonCategory::OnMouseMove

Called by the framework when the pointer moves on the ribbon bar in order to update the ribbon category display.

virtual void OnMouseMove(CPoint point);

Parameters

[in] point
The x and y coordinates of the pointer, relative to the upper-left corner of the window.

Remarks

CMFCRibbonCategory::OnRTLChanged

Called by the framework when the layout changes direction.

virtual void OnRTLChanged(BOOL bIsRTL);

Parameters

[in] bIsRTL
TRUE if the layout is right-to-left; FALSE if the layout is left-to-right.

Remarks

This method adjusts the layout of all ribbon panels and ribbon elements that are contained in the ribbon category.

CMFCRibbonCategory::OnScrollHorz

Scrolls the ribbon category in the horizontal direction.

virtual BOOL OnScrollHorz(
    BOOL bScrollLeft,  
    int nScrollOffset = 0);

Parameters

[in] bScrollLeft
TRUE to scroll to the left; FALSE to scroll to the right.

[in] nScrollOffset
The scroll distance in pixels.

Return Value

TRUE if the ribbon category moved in a horizontal direction; otherwise FALSE.

Remarks

CMFCRibbonCategory::OnUpdateCmdUI

Calls the OnUpdateCmdUI member function in each of the CMFCRibbonPanel elements of the CMFCRibbonCategory to enable or disable the user-interface elements in them.

virtual void OnUpdateCmdUI(
    CMFCRibbonCmdUI* pCmdUI,  
    CFrameWnd* pTarget,  
    BOOL bDisableIfNoHndler);

Parameters

[in] pCmdUI
Pointer to the CMFCRibbonCmdUI object that specifies which user-interface elements are to be enabled and which are to be disabled.

[in] pTarget
Pointer to the window that controls the enabling or disabling of the user-interface elements.

[in] bDisableIfNoHndler
TRUE to disable the user-interface item if no handler is defined in a message map; otherwise, FALSE.

Remarks

CMFCRibbonCategory::RecalcLayout

Adjusts the layout of all controls on the ribbon category.

virtual void RecalcLayout(CDC* pDC);

Parameters

[in] pDC
Pointer to a device context for the ribbon category.

Remarks

CMFCRibbonCategory::RemovePanel

Removes a ribbon panel from the ribbon category.

BOOL RemovePanel(
    int nIndex,  
    BOOL bDelete = TRUE);

Parameters

[in] nIndex
The index number of the panel to remove. Obtained by calling the CMFCRibbonCategory::GetPanelIndex method.

[in] bDelete
TRUE to delete the panel object from memory; FALSE to remove the panel object without deleting it.

Return Value

TRUE if the method was successful; otherwise, FALSE.

CMFCRibbonCategory::ReposPanels

Adjusts the layout of all controls on the ribbon panels that are contained in the ribbon category.

virtual void ReposPanels(CDC* pDC);

Parameters

[in] pDC
Pointer to a device context for the ribbon panels that are contained in the ribbon category.

Remarks

CMFCRibbonCategory::SetCollapseOrder

Defines the order in which the ribbon panels of the ribbon category collapse.

void SetCollapseOrder(const CArray<int,int>& arCollapseOrder);

Parameters

[in] arCollapseOrder
Specifies the collapse order. The array contains zero-based indexes of ribbon panels.

Remarks

The library defines the collapse order. However, you can customize this behavior by providing the category with the list of indexes that specifies the collapse order.

When the category detects that it has to collapse a ribbon panel, it looks for the next element in the specified list. If the list is empty, or you have not specified enough elements, then the category uses the internal algorithm.

For example, the category has three ribbon panels and can be collapsed several times until all panels are in the fully collapsed state. You can set the following collapse order: 0, 0, 2, 2. In this case, the category will collapse the panel 0 two times, the panel 2 two times. The panel that has the index of 1 remains uncollapsed.

Example

The following example demonstrates how to use the SetCollapseOrder method in the CMFCRibbonCategory class. The example shows how to construct an array for the collapse order, and how to set the collapse order to the ribbon category.

    CArray<int,int> arCollapseOrder;
    arCollapseOrder.Add(0);
    arCollapseOrder.Add(1);
    arCollapseOrder.Add(2);
    // CMFCRibbonCategory* pCategoryHome
    pCategoryHome->SetCollapseOrder(arCollapseOrder);

CMFCRibbonCategory::SetData

Sets the user-defined data to be associated with the ribbon category.

void SetData(DWORD_PTR dwData);

Parameters

[in] dwData
The user-defined data.

CMFCRibbonCategory::SetKeys

Assigns a keytip to the ribbon category.

void SetKeys(LPCTSTR lpszKeys);

Parameters

[in] lpszKeys
The keytip text.

Remarks

Keytips are displayed when the user presses the Alt key or the F10 key.

CMFCRibbonCategory::SetName

Assigns a name and keytip to the ribbon category.

void SetName(LPCTSTR lpszName);

Parameters

[in] lpszName
The name and keytip of the ribbon category.

Remarks

To set the keytip for the ribbon category, append a newline escape sequence followed by the keytip characters to lpszName.

CMFCRibbonCategory::SetTabColor

Sets the color of the ribbon category.

void SetTabColor(AFX_RibbonCategoryColor color);

Parameters

[in] color
Specifies the new color of the ribbon category.

Remarks

Color can be one of the following values:

  • AFX_CategoryColor_None

  • AFX_CategoryColor_Red

  • AFX_CategoryColor_Orange

  • AFX_CategoryColor_Yellow

  • AFX_CategoryColor_Green

  • AFX_CategoryColor_Blue

  • AFX_CategoryColor_Indigo

  • AFX_CategoryColor_Violet

See Also

Hierarchy Chart
Classes
CObject Class