title: Fingerprint SDK
body: <p>I am using fingerprint reader UFP20.The SDK providing 2 DLL files (WIS_API.dll,WisCmos2.dll). Unfortunately they not provide c# demo code. I could connect the device and test the device. Its working perfectly.</p>
  
  <p>Problem : 
             I can't capture finger print even capture initialize function working perfectly.
  I got error when i calling WIS_Capture() function. Error - "This function trying to access protected memory area, that may damage the system"</p>
  
  <p>For more details about the function :-     </p>
  
  <p><strong>WIS_Capture</strong></p>
  
  <pre><code>Synopsis
           int WINAPI WIS_Capture( HANDLE hInit, int *rCount )
  Parameter
          hInit        The handle returned by WIS_InitDriver()
          rCount       A value used internally by the function. The developer MUST 
                       initial this value to 0 before use.
  
  Description :
       To snap a fingerprint from the fingerprint device to the main memory by a
       fingerprint image quality control process. The fingerprint quality control 
       cycle needs several frames of images and will continuously return the 
       status of the fingerprint after each frame of image captured.
  </code></pre>
  
  <p>Please help me to avoid this error.</p>