CMFCRibbonColorButton Class

Artikel
11/16/2012

The CMFCRibbonColorButton class implements a color button that you can add to a ribbon bar. The ribbon color button displays a drop-down menu that contains one or more color palettes.

class CMFCRibbonColorButton : public CMFCRibbonGallery

Members

Public Constructors

Name	Description
CMFCRibbonColorButton::CMFCRibbonColorButton	Constructs and initializes a CMFCRibbonColorButton object.

Public Methods

Name	Description
CMFCRibbonColorButton::AddColorsGroup	Adds a group of colors to the regular color area.
CMFCRibbonColorButton::EnableAutomaticButton	Specifies whether the Automatic button is enabled.
CMFCRibbonColorButton::EnableOtherButton	Enables the Other button.
CMFCRibbonColorButton::GetAutomaticColor	Retrieves the current automatic (default) color.
CMFCRibbonColorButton::GetColor	Returns the currently selected color.
CMFCRibbonColorButton::GetColorBoxSize	Returns the size of the color elements that appear on the color bar.
CMFCRibbonColorButton::GetColumns	Retrieves the number of color items per row that are shown in the regular color area.
CMFCRibbonColorButton::GetHighlightedColor	Returns the color of the currently selected element on the popup color palette.
CMFCRibbonColorButton::RemoveAllColorGroups	Removes all color groups from the regular color area.
CMFCRibbonColorButton::SetColor	Selects a color from the regular color area.
CMFCRibbonColorButton::SetColorBoxSize	Sets the size of all the color elements that appear on the color bar.
CMFCRibbonColorButton::SetColorName	Sets a new name for a specified color.
CMFCRibbonColorButton::SetColumns	Sets the number of color items per row that are shown in the regular color area.
CMFCRibbonColorButton::SetDocumentColors	Specifies a list of RGB values to display in the document color area.
CMFCRibbonColorButton::SetPalette	Sets the list of selectable colors that are visible in the regular color area.
CMFCRibbonColorButton::UpdateColor	Used internally.

Remarks

The ribbon color button displays a color bar when a user presses it. By default, this color bar contains a color selection palette called the regular color area. Optionally, the color bar can display an Automatic button, which allows the user to select a default color, and an Other button, which displays a popup color palette that contains additional colors.

Example

The following example demonstrates how to use various methods in the CMFCRibbonColorButton class. The example shows how to construct a CMFCRibbonColorButton object, set the large image, enable the Automatic button, enable the Other button, set the number of columns, set the size of all the color elements that appear on the color bar, add a group of colors to the regular color area, and specify a list of RGB values to display in the document color area. This code snippet is part of the DrawClient Sample: MFC Ribbon-Based OLE Object Drawing Application.

// Create the "Paper Color" button
    CMFCRibbonColorButton* pBtnPaperColor = new CMFCRibbonColorButton(ID_VIEW_PAPERCOLOR, _T("Paper Color\ng"), TRUE, 13, 1);
    pBtnPaperColor->SetAlwaysLargeImage();
    pBtnPaperColor->EnableAutomaticButton(_T("&Automatic"), RGB(255, 255, 255));
    pBtnPaperColor->EnableOtherButton(_T("&More Colors..."), _T("More Colors"));
    pBtnPaperColor->SetColumns(10);
    pBtnPaperColor->SetColorBoxSize(CSize(17, 17));
    // CList<COLORREF,COLORREF> m_lstMainColors
    pBtnPaperColor->AddColorsGroup(_T("Theme Colors"), m_lstMainColors, TRUE);
    // CList<COLORREF,COLORREF> m_lstAdditionalColors
    pBtnPaperColor->AddColorsGroup(_T(""), m_lstAdditionalColors, FALSE);
    // CList<COLORREF,COLORREF> m_lstStandardColors
    pBtnPaperColor->AddColorsGroup(_T("Standard Colors"), m_lstStandardColors, TRUE);
    CList<COLORREF,COLORREF> lstColors;
    lstColors.AddTail(RGB(255,0,0));
    lstColors.AddTail(RGB(0,255,0));
    lstColors.AddTail(RGB(0,0,255));
    pBtnPaperColor->SetDocumentColors( _T("Document Colors"), lstColors );