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/univ/toolbar.cpp

@@ -292,7 +292,7 @@ void wxToolBar::DoEnableTool(wxToolBarToolBase *tool, bool enable)
 {
 #if wxUSE_IMAGE
     // created disabled-state bitmap on demand
-    if ( !enable && !tool->GetDisabledBitmap().Ok() )
+    if ( !enable && !tool->GetDisabledBitmap().IsOk() )
     {
         wxImage image(tool->GetNormalBitmap().ConvertToImage());