The CertCloseStore function closes a certificate store handle and reduces the reference count on the store. There needs to be a corresponding call to CertCloseStore for each successful call to the CertOpenStore or CertDuplicateStore functions.

2: CertDuplicateStore

// Open a system store using CertOpenStore.

if(hSystemStore = CertOpenStore(

3: CertOpenStore

[DllImport("CRYPT32.DLL", EntryPoint="CertOpenStore", CharSet=CharSet.Auto, SetLastError=true)]

public static extern IntPtr CertOpenStoreStringPara( int storeProvider, int encodingType,

[DllImport("CRYPT32.DLL", EntryPoint="CertOpenStore", CharSet=CharSet.Auto, SetLastError=true)]

public static extern IntPtr CertOpenStoreIntPtrPara( int storeProvider, int encodingType,

Documentation

[CertOpenStore] on MSDN

4: CertOpenSystemStore

Summary

This function is a simplified function used to open the most common system certificate store. To open certificate stores with more complex requirements, such as file-based or memory-based stores, use the CertOpenStore function.

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