Disabling buttons on form

I have seen that buttons on form can be disabled. Does anyone know how? For example I want mu button to be enabled only for documents that are not posted.

Hi For code reference, please refer to ‘LedgerTable’ form. Once there refer to methods like buttonAccountSum, buttonBudget etc. Code from buttonAccountSum - -------------------------------------- void buttonAccountSum() { if (ledgerTable.accountPlType== LedgerAccountType::sum) buttonAccountSum.enabled(true); else buttonAccountSum.enabled(false); } -------------------------------------- Hope this helps, Harish Mohanbabu