Replaced Ok() occurrences with IsOk() throughout trunk.

Additionally renamed wxOSX' private wxNativePrinterDC::Ok() function to IsOk().

Didn't deprecate the various Ok() functions: given the amount of changes already introduced in 3.0 a trivial one like this seems more suitable for after 3.0.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67681 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/fontpickerg.cpp

@@ -97,7 +97,7 @@ void wxGenericFontButton::OnButtonClick(wxCommandEvent& WXUNUSED(ev))
 
 void wxGenericFontButton::UpdateFont()
 {
-    if ( !m_selectedFont.Ok() )
+    if ( !m_selectedFont.IsOk() )
         return;
 
     SetForegroundColour(m_data.GetColour());