private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
{
LaunchCounter++;
RegistryKey HKLM_key = Registry.LocalMachine;
RegistryKey MySubKey;
MySubKey = HKLM_key.OpenSubKey(KeyName, true);
MySubKey.SetValue(ValueName, LaunchCounter);
}
private void DoRegisters()
{
RegistryKey HKLM_key = Registry.LocalMachine;
RegistryKey MySubKey;
if (HKLM_key.OpenSubKey(KeyName) == null) //if no key
{
HKLM_key.CreateSubKey(KeyName, true); //create one
}
MySubKey = HKLM_key.OpenSubKey(KeyName, true); //
if (MySubKey.GetValue(ValueName) == null) //if no value
{
MySubKey.SetValue(ValueName, LaunchCounter); //set 0 value
}
else//if there is
{
LaunchCounter = Convert.ToUInt16(MySubKey.GetValue(ValueName));//get it
}
MessageBox.Show(LaunchCounter.ToString() + " times this app was launched", "Counter", MessageBoxButtons.OK);
}
