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/generic/imaglist.cpp

@@ -106,7 +106,7 @@ int wxGenericImageList::Add( const wxBitmap &bitmap )
 int wxGenericImageList::Add( const wxBitmap& bitmap, const wxBitmap& mask )
 {
     wxBitmap bmp(bitmap);
-    if (mask.Ok())
+    if (mask.IsOk())
         bmp.SetMask(new wxMask(mask));
     return Add(bmp);
 }
@@ -214,7 +214,7 @@ bool wxGenericImageList::Replace( int index, const wxBitmap &bitmap, const wxBit
         m_images.Insert( next, newBitmap );
     }
 
-    if (mask.Ok())
+    if (mask.IsOk())
         newBitmap->SetMask(new wxMask(mask));
 
     return true;