C# Signature:

[DllImport("crypt32.dll", EntryPoint = "CertGetNameString", CharSet = CharSet.Auto, SetLastError = true)]
static extern System.UInt32 CertGetNameString(IntPtr CertContext, System.UInt32 lType, System.UInt32 lFlags, IntPtr pTypeParameter, System.Text.StringBuilder str, system.UInt32 cch);

VB Signature:

Declare Function CertGetNameString Lib "crypt32.dll" (TODO) As TODO

User-Defined Types:

    const uint CERT_NAME_EMAIL_TYPE         = 1;
    const uint CERT_NAME_RDN_TYPE           = 2;
    const uint CERT_NAME_ATTR_TYPE          = 3;
    const uint CERT_NAME_SIMPLE_DISPLAY_TYPE    = 4;
    const uint CERT_NAME_FRIENDLY_DISPLAY_TYPE  = 5;
    const uint CERT_NAME_DNS_TYPE           = 6;
    const uint CERT_NAME_URL_TYPE           = 7;
    const uint CERT_NAME_UPN_TYPE           = 8;

    const uint CERT_NAME_ISSUER_FLAG        = 0x1;
    const uint CERT_NAME_DISABLE_IE4_UTF8_FLAG  = 0x00010000;

Alternative Managed API:

Do you know one? Please contribute it!

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

        while ((certContext = CertEnumCertificatesInStore(hCertStore, certContext)) != IntPtr.Zero)
        {
        StringBuilder Buffer = new StringBuilder(255);
        UInt32 cchString = 255 ;
        System.UInt32 nChars = CertGetNameString(certContext,
                        CERT_NAME_FRIENDLY_DISPLAY_TYPE,
                        CERT_NAME_ISSUER_FLAG,
                        IntPtr.Zero,
                        Buffer,
                        cchString);
        // use Buffer.ToString() to use the cert's name string
        }