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/dfb/dcmemory.cpp

@@ -65,7 +65,7 @@ void wxMemoryDCImpl::DoSelect(const wxBitmap& bitmap)
 {
     m_bmp = bitmap;
 
-    if ( !bitmap.Ok() )
+    if ( !bitmap.IsOk() )
     {
         // select the bitmap out of the DC
         m_surface = NULL;