CMFCToolBarFontSizeComboBox Class

Artikel
11/16/2012

A toolbar button that contains a combo box control that enables the user to select a font size.

class CMFCToolBarFontSizeComboBox : public CMFCToolBarComboBoxButton

Members

Protected Constructors

Name	Description
CMFCToolBarFontSizeComboBox::CMFCToolBarFontSizeComboBox	Constructs a CMFCToolBarFontSizeComboBox object.

Public Methods

Name	Description
CMFCToolBarFontSizeComboBox::GetTwipSize	Returns the selected font size in twips.
CMFCToolBarFontSizeComboBox::RebuildFontSizes	Fills the combo box list with all supported font sizes for a specified font.
CMFCToolBarFontSizeComboBox::SetTwipSize	Sets the font size in twips.

Remarks

You can use a CMFCToolBarFontSizeComboBox object together with a CMFCToolBarFontComboBox Class object to enable a user to select a font and font size.

You can add a font size combo box button to a toolbar just as you add a font combo box button. For more information, see CMFCToolBarFontComboBox Class.

When the user selects a new font in a CMFCToolBarFontComboBox object, you can fill the font size combo box with the supported sizes for that font by using the CMFCToolBarFontSizeComboBox::RebuildFontSizes method.

Example

The following example demonstrates how to use various methods in the CMFCToolBarFontSizeComboBox class to configure a CMFCToolBarFontSizeComboBox object. The example illustrates how to retrieve the font size, in twips, from the text box, fill the font size combo box with all valid sizes of the given font, and specify the font size in twips. This code snippet is part of the WordPad Sample: MFC WordPad Application.

  CMFCToolBarFontSizeComboBox* pSizeCombo =
        DYNAMIC_DOWNCAST (CMFCToolBarFontSizeComboBox, CMFCToolBarFontSizeComboBox::GetByCmd (IDC_FONTSIZE));
    if (pSizeCombo != NULL)
    {
        int nSize = pSizeCombo->GetTwipSize();
        // CMFCFontInfo* pDesc
        pSizeCombo->RebuildFontSizes (pDesc->m_strName);
        pSizeCombo->SetTwipSize (nSize);
    }