How to program PCIE-6509 with C#

Hi there,
I have an NI PCIe-6509 digital IO card. I want to program to set the 96 chanels high/low by using C# programming language and I have no idea where to start. Can someone point me to the right direction? Is there any sample C# code related to NI PCIe-6509?
Ps. i am using windows 7, 64bit operating system and visual studio 2010.
Regards

You might have to uninstall and reinstall the DAQmx driver again.
Here are the snapshot for your example references.

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How to program PCIE-6509 with C#

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