GetTextExtent checks that passed pointers are not NULL

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@251 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 1998-07-12 23:23:11 +00:00
parent 27c9fe7554
commit 7d7fb17e1d

View File

@ -914,8 +914,8 @@ void wxDC::GetTextExtent(const wxString& string, long *x, long *y,
GetTextExtentPoint((HDC) m_hDC, (char *)(const char *) string, strlen((char *)(const char *) string), &sizeRect);
GetTextMetrics((HDC) m_hDC, &tm);
*x = XDEV2LOGREL(sizeRect.cx);
*y = YDEV2LOGREL(sizeRect.cy);
if (x) *x = XDEV2LOGREL(sizeRect.cx);
if (y) *y = YDEV2LOGREL(sizeRect.cy);
if (descent) *descent = tm.tmDescent;
if (externalLeading) *externalLeading = tm.tmExternalLeading;
}