//Static Constructor
static SAPIWrapper()
{
try
{
SAPI = new SAPICryptClass();
}
catch
{
System.Windows.Forms.MessageBox.Show("SAPI is not installed");
System.Windows.Forms.Application.Exit();
}
int rc = SAPI.Init();
if (rc != 0)
{
System.Windows.Forms.MessageBox.Show("Failed to initialize SAPI (" + rc.ToString("X") + ")");
System.Windows.Forms.Application.Exit();
}
rc = SAPI.HandleAcquire(out hSession);
if (rc != 0)
{
System.Windows.Forms.MessageBox.Show("Failed in SAPIHandleAcquire (" + rc.ToString("X") + ")");
System.Windows.Forms.Application.Exit();
}
isLoggedIn = false;
}
//Checks if SAPI is initialized or not.
private static bool isSAPIInitialized(SAPICrypt SAPI)
{
SESHandle hSes;
int rc;
if ((rc = SAPI.HandleAcquire(out hSes)) != 0)
return false;
SAPI.HandleRelease(hSes);
return true;
}