RE: How to modify Timer interval?

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Hi Siva,

Thanks for your post!

In addition to PRSoCo's reply, if you want to use single timer, you may
first store the application monitor start time(using DateTime.Now) in a
private field, then in each Timer.Tick event, you may check the value of
DateTime.Now subtracting original stored time, if this value is greater
than 2 hours, you may set Timer.Interval to 30 minutes. In next 2 hours,
you may give it a recheck follow the same logic. The following code snippet
demonstrates this logic:

private DateTime m_storedtime;
private int checkCount = 1;//used to record check count for changing
interval
private void Form1_Load(object sender, EventArgs e)
{
this.timer1.Interval = 120000;//2min
this.timer1.Tick+=new EventHandler(timer1_Tick);
m_storedtime = DateTime.Now;
this.timer1.Start();
}

private void timer1_Tick(object sender, EventArgs e)
{
if (checkCount == 1)
{
TimeSpan ts = DateTime.Now.Subtract(m_storedtime);
if (ts.TotalMinutes >= 120)
{
this.timer1.Interval = 1800000;//30min
checkCount=2;
m_storedtime = DateTime.Now;
}
}
else if (checkCount == 2)
{
TimeSpan ts = DateTime.Now.Subtract(m_storedtime);
if (ts.TotalMinutes >= 120)
{
this.timer1.Interval = 3600000;//60min
}
}
}

Hope this helps!

Best regards,
Jeffrey Tan
Microsoft Online Community Support
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