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/gtk/textctrl.cpp

@@ -1289,7 +1289,7 @@ void wxTextCtrl::OnEnabled(bool WXUNUSED(enable))
     // disabled and enabled mode, or we end up with a different colour under the
     // text.
     wxColour oldColour = GetBackgroundColour();
-    if (oldColour.Ok())
+    if (oldColour.IsOk())
     {
         // Need to set twice or it'll optimize the useful stuff out
         if (oldColour == * wxWHITE)
@@ -1666,7 +1666,7 @@ bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
     if ( !wxControl::SetBackgroundColour( colour ) )
         return false;
 
-    if (!m_backgroundColour.Ok())
+    if (!m_backgroundColour.IsOk())
         return false;
 
     // change active background color too