C# Signature:

[DllImport("kernel32.dll", SetLastError=true)]
static extern bool QueryPerformanceFrequency(out long frequency);

VB Signature:

<DllImport("kernel32.dll", SetLastError:=True)> _
Shared Function QueryPerformanceFrequency(ByRef lpFrequency As Long) As Boolean
End Function

User-Defined Types:

None.

Notes:

Returns the number of counts per second for the high-performance counter.

None.

Tips & Tricks:

Please add some!

Sample Code:

[DllImport("Kernel32.dll")]

public static extern bool QueryPerformanceFrequency(out long freq);

Alternative Managed API:

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