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/os2/dataobj.cpp

@@ -329,12 +329,12 @@ bool wxBitmapDataObject::SetData( size_t nSize, const void* pBuf)
     m_bitmap = wxBitmap(vImage);
 #endif //wxUSE_STREAMS
 
-    return m_bitmap.Ok();
+    return m_bitmap.IsOk();
 }
 
 void wxBitmapDataObject::DoConvertToPng()
 {
-    if (!m_bitmap.Ok())
+    if (!m_bitmap.IsOk())
         return;
 
 #if wxUSE_STREAMS