private void btnUDAdd_Click(object sender, EventArgs e) { using (frmUserData udForm = new frmUserData("Add")) { if (udForm.ShowDialog(this) != DialogResult.OK) { return; } MPEG4UserData ud = new MPEG4UserData(); ud.UserData = Encoding.ASCII.GetBytes(udForm.UserDataString); lstUserData.Items.Add(ud); } }
private void btnUDEdit_Click(object sender, EventArgs e) { int index = lstUserData.SelectedIndex; if (index != -1) { using (frmUserData udForm = new frmUserData("Edit")) { MPEG4UserData ud = (MPEG4UserData)lstUserData.SelectedItem; udForm.UserDataString = ud.ToString(); if (udForm.ShowDialog(this) != DialogResult.OK) { return; } ud.SetString(udForm.UserDataString); lstUserData.Items[index] = ud; } } }