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/common/fontpickercmn.cpp

@@ -137,7 +137,7 @@ void wxFontPickerCtrl::UpdatePickerFromTextCtrl()
     //     string returned by wxFont::GetNativeFontInfoDesc() and not
     //     the user-friendly one returned by wxFont::GetNativeFontInfoUserDesc()
     wxFont f = String2Font(m_text->GetValue());
-    if (!f.Ok())
+    if (!f.IsOk())
         return;     // invalid user input
 
     if (M_PICKER->GetSelectedFont() != f)