private void buttonNightMode_Click(object sender, EventArgs e)
{
if (nightMode_)
{
ClientCommonAPI.ExitNightMode(this);
buttonNightMode.Text = "Night &Mode";
nightMode_ = false;
}
else
{
ClientCommonAPI.EnterNightMode(this);
buttonNightMode.Text = "Day &Mode";
nightMode_ = true;
}
}