public void DEFConstructorTest()
{
string filePath = string.Empty; // TODO: Initialize to an appropriate value
DEF target = new DEF(@"C:\Work\rootR9\TCDEF\TCDEF_a.1_Main\2396\ffarazre - Copy (2).def");
SearchFieldCollection <SearchField> sf = new SearchFieldCollection <SearchField>(target.getOrigSearchFields());
sf.deleteField("City");
target.SaveDefChanges(sf.exportSearchFields(), sf.exportDelSearchFields());
//target.SaveDefFile();
}