Search through all properties in wxPG::GetPropertyByLabel.

Function should search for given label through all properties. This is consistent with searching by name (in GetPropertyByName) which is not limited to the subset of properties.

Closes #15251.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76926 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/propgrid/propgridiface.cpp

@@ -441,15 +441,7 @@ wxPGProperty* wxPropertyGridInterface::GetPropertyByNameA( const wxString& name
 
 wxPGProperty* wxPropertyGridInterface::GetPropertyByLabel( const wxString& label ) const
 {
-    wxPGVIterator it;
-
-    for ( it = GetVIterator( wxPG_ITERATE_PROPERTIES ); !it.AtEnd(); it.Next() )
-    {
-        if ( it.GetProperty()->GetLabel() == label )
-            return it.GetProperty();
-    }
-
-    return wxNullProperty;
+    return m_pState->BaseGetPropertyByLabel(label, NULL);
 }
 
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