void COptionTree::InitGlobalResources()
{
// Declare variables
CWindowDC dc(NULL);
NONCLIENTMETRICS cmInfo;
cmInfo.cbSize = sizeof(cmInfo);
LOGFONT lfFont;
BOOL bUseSystemFont;
// Delete global resources
DeleteGlobalResources();
// Get system parameter information
::SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(cmInfo), &cmInfo, 0);
// Initialize logfont
memset(&lfFont, 0, sizeof(LOGFONT));
lfFont.lfCharSet = (BYTE)GetTextCharsetInfo(dc.GetSafeHdc(), NULL, 0);
lfFont.lfHeight = cmInfo.lfMenuFont.lfHeight;
lfFont.lfWeight = cmInfo.lfMenuFont.lfWeight;
lfFont.lfItalic = cmInfo.lfMenuFont.lfItalic;
// Check if we should use system font
//_tcscpy(lfFont.lfFaceName, cmInfo.lfMenuFont.lfFaceName);//#OBSOLETE
_tcscpy_s(lfFont.lfFaceName, sizeof(lfFont.lfFaceName),cmInfo.lfMenuFont.lfFaceName);
// Use system font
bUseSystemFont = (cmInfo.lfMenuFont.lfCharSet > SYMBOL_CHARSET);
if (!bUseSystemFont)
{
// -- Check for "Tahoma" font existance:
if (::EnumFontFamilies(dc.GetSafeHdc(), NULL, _FontFamilyProcFonts, 0) == 0)
{
// -- -- Found! Use MS Office font
//_tcscpy(lfFont.lfFaceName, _T("Tahoma"));//#OBSOLETE
_tcscpy_s(lfFont.lfFaceName, sizeof(lfFont.lfFaceName), _T("Tahoma"));
}
else
{
// -- -- Not found. Use default font
//_tcscpy(lfFont.lfFaceName, _T("MS Sans Serif"));//#OBSOLETE
_tcscpy_s(lfFont.lfFaceName, sizeof(lfFont.lfFaceName), _T("MS Sans Serif"));
}
}
// Normal font
m_fNormalFont = new CFont;
m_fNormalFont->CreateFontIndirect(&lfFont);
// Bold font
lfFont.lfWeight = FW_BOLD;
m_fBoldFont = new CFont;
m_fBoldFont->CreateFontIndirect(&lfFont);
}
COptionTree::~COptionTree()
{
// Delete all items
DeleteAllItems();
// Delete global resources for all COptionTree
// -- Decrease instance number
m_uInstanceCount--;
// -- Delete global resources
if (!m_uInstanceCount)
{
DeleteGlobalResources();
}
}