private void FillControlsItems()
        {
            //_prefillItems = RestQueryApi.QueryPostJsonRaw("systemconfig", "prefill", "getfillitems", null, null).ToDynamicList();
            _prefillItems = new dynamic[] {};
            ComplexPrefillEditor.Properties.Items.Clear();
            ComplexPrefillEditor.Properties.Items.AddRange(ActionHandlers.BuildImageComboBoxItems().ToList());

            ComplexValidationErrorEditor.Properties.Items.Clear();
            ComplexValidationErrorEditor.Properties.Items.AddRange(ValidationHandlers.BuildImageComboBoxItems().ToList());

            ComplexValidationWarningEditor.Properties.Items.Clear();
            ComplexValidationWarningEditor.Properties.Items.AddRange(ValidationHandlers.BuildImageComboBoxItems().ToList());

            SimpleValidationWarningEditor.Properties.Items.Clear();
            SimpleValidationWarningEditor.Properties.Items.AddRange(ValidationWarnings.BuildImageComboBoxItemsString().ToList());

            SimpleValidationErrorEditor.Properties.Items.Clear();
            SimpleValidationErrorEditor.Properties.Items.AddRange(ValidationErrors.BuildImageComboBoxItemsString().ToList());

            DeletingDocumentValidationErrorEditor.Properties.Items.Clear();
            DeletingDocumentValidationErrorEditor.Properties.Items.AddRange(ValidationHandlers.BuildImageComboBoxItems().ToList());

            SuccessSaveEditor.Properties.Items.Clear();
            SuccessSaveEditor.Properties.Items.AddRange(ActionHandlers.BuildImageComboBoxItems().ToList());

            FailSaveEditor.Properties.Items.Clear();
            FailSaveEditor.Properties.Items.AddRange(ActionHandlers.BuildImageComboBoxItems().ToList());

            DeleteDocumentEditor.Properties.Items.Clear();
            DeleteDocumentEditor.Properties.Items.AddRange(ActionHandlers.BuildImageComboBoxItems().ToList());

            DefaultProcessCredentialsAction.Properties.Items.Clear();
            DefaultProcessCredentialsAction.Properties.Items.AddRange(ActionHandlers.BuildImageComboBoxItems().ToList());
        }