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| Title | Monitor CPU usage in Visual Basic .NET |
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| Description | This example shows how to monitor CPU usage in Visual Basic .NET. |
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| Keywords | CPU usage, CPU load, PerformanceCounter, VB.NET |
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| Categories | VB.NET, Windows, Software Engineering |
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This program creates a PerformanceCounter to get total processor time values. When its Timer fires, it adds a new CPU usage value to a ListBox.
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Private m_PerformanceCounter As New _
System.Diagnostics.PerformanceCounter( _
"Processor", "% Processor Time", "_Total")
Private Sub btnClear_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles btnClear.Click
lstCpu.Items.Clear()
End Sub
Private Sub tmrCheckCpu_Tick(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles tmrCheckCpu.Tick
lstCpu.Items.Add(CInt(m_PerformanceCounter.NextValue()) _
& "%")
lstCpu.SelectedIndex = lstCpu.Items.Count - 1
End Sub
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