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C# Signature:

[DllImport("winscard.dll")]
static extern int SCardEstablishContext(int dwScope,IntPtr pvReserved1, IntPtr pvReserved2, out int phContext);

User-Defined Types:

None.

Notes:

in winscard.h

#define SCARD_SCOPE_USER 0 // The context is a user context, and any

                // database operations are performed within the
                // domain of the user.

#define SCARD_SCOPE_TERMINAL 1 // The context is that of the current terminal,

                // and any database operations are performed
                // within the domain of that terminal.  (The
                // calling application must have appropriate
                // access permissions for any database actions.)

#define SCARD_SCOPE_SYSTEM 2 // The context is the system context, and any

                // database operations are performed within the
                // domain of the system.  (The calling
                // application must have appropriate access
                // permissions for any database actions.)

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Sample Code:

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Alternative Managed API:

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