private void ObjectInfoForm_Load(object sender, EventArgs e)
        {
            lblObjectName.Text        = Control.currentObject.Name;
            lblObjectDescription.Text = Control.currentObject.Description;
            lblFile.Text         = Control.currentObject.File.Name;
            lblCreatingDate.Text = Control.currentObject.CreatingDate.ToShortDateString();
            lblAverageMark.Text  = Control.currentObject.AvarageMark.ToString();
            cbMark.SelectedIndex = 4;

            CompleteForm.dgvObjectComments(this);
            CompleteForm.dgvAuthors(this);
            CompleteForm.dgvCollections(this);
            CompleteForm.dgvCategories(this);
            CompleteForm.dgvMarks(this);
        }