private void blockMachineToolStripMenuItem_Click(object sender, EventArgs e)
{
if (SelectedUserId == 0)
{
return;
}
DialogResult dr = MessageForm.Confirm(this.ParentForm, MsgE.ConfirmBlockMachine, SelectedUserName);
if (dr == DialogResult.Yes)
{
SocketClient.BlockMachine(SelectedUserId);
}
}