X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a96827606ef54312168c7f48aea419d36c4b2f43..a5655d37db9baabce654849fd66173f95f74e230:/src/common/dcbufcmn.cpp

diff --git a/src/common/dcbufcmn.cpp b/src/common/dcbufcmn.cpp
index 58d40b5f9b..23055c2187 100644
--- a/src/common/dcbufcmn.cpp
+++ b/src/common/dcbufcmn.cpp
@@ -118,14 +118,14 @@ void wxBufferedDC::UseBuffer(wxCoord w, wxCoord h)
 
     // now that the DC is valid we can inherit the attributes (fonts, colours,
     // layout direction, ...) from the original DC
-    if ( m_dc->IsOk() )
+    if ( m_dc && m_dc->IsOk() )
         CopyAttributes(*m_dc);
 }
 
 void wxBufferedDC::UnMask()
 {
-    wxCHECK_RET( m_dc, _T("no underlying wxDC?") );
-    wxASSERT_MSG( m_buffer && m_buffer->IsOk(), _T("invalid backing store") );
+    wxCHECK_RET( m_dc, wxT("no underlying wxDC?") );
+    wxASSERT_MSG( m_buffer && m_buffer->IsOk(), wxT("invalid backing store") );
 
     wxCoord x = 0,
             y = 0;