'llo - a bit offtopic ish, i'm working with low level ADO objects to do 
some DB stuff and am running into difficulty with creating query 
parameters, everything works, or would work, if I knew what the constants 
were...

  sql.CommandType := adCmdSql;
  sql.CommandText := 'SELECT * FROM Company WHERE company_ref = :ref';

  param := CreateOleObject('ADODB.Parameter');
  param.Type := adInteger;
  param.Size := 3;
  param.Direction := adParamInput;
  param.value := 1;
  sql.parameters.append(param);

I need to know the values for the .Type .Direction and .CommandType 
properties (or, a list of all the ADO constants), I can't seem to find them 
anywhere :(

Does anyone know them?

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