Change your interval. I'm sure it takes a good second or so for the COM server to do it's stuff. What seems to be happening is that you're getting a build-up of calls to the COM server. Does it really need to do this every second? Can it do a poll every minute (or even 30 seconds). Any delay in the COM/OLEDB will generate a lag. Do some time testing to see how long it takes at it's slowest and set your timer interval greater than the resultant time.

>Hi All:
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>Have an application that polls a COM server (on the local machine) every second. The COM server then retreives RecordSets or Strings from SQL SERVER 7 (stored procedures), via OLEDB, every second.
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>My problem: The application runs fine at first. However, when I leave it running over night, the polling is no longer every second but every 3~4 seconds (despite it's timer interval at 1 second), the mouse works but the hour glass persists, and clicking on buttons takes a long time to register: about a minute.
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>What could be happening here?
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>TIA
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>Mal