C# Signature:

    [DllImport("CRYPT32.DLL", EntryPoint = "CryptQueryObject", CharSet = CharSet.Auto, SetLastError = true)]
    public static extern Boolean CryptQueryObject(
        Int32 dwObjectType,
        [MarshalAs(UnmanagedType.LPWStr)]String pvObject,
        uint dwExpectedContentTypeFlags,
        uint dwExpectedFormatTypeFlags,
        uint dwFlags,
        ref uint pdwMsgAndCertEncodingType,
        ref uint pdwContentType,
        ref uint pdwFormatType,
        ref IntPtr phCertStore,
        ref IntPtr phMsg,
        ref IntPtr ppvContext
    );

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

public static extern Boolean CryptQueryObject(

    Int32 dwObjectType,
    [MarshalAs(UnmanagedType.LPWStr)]String pvObject,
    Int32 dwExpectedContentTypeFlags,
    Int32 dwExpectedFormatTypeFlags,
    Int32 dwFlags,
    IntPtr pdwMsgAndCertEncodingType,
    IntPtr pdwContentType,
    IntPtr pdwFormatType,
    IntPtr phCertStore,
    IntPtr phMsg,
    ref IntPtr ppvContext

);

VB Signature:

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

User-Defined Types:

None.

Alternative Managed API:

Do you know one? Please contribute it!

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

Please add some!

Please edit this page!

Do you have...

• helpful tips or sample code to share for using this API in managed code?
• corrections to the existing content?
• variations of the signature you want to share?
• additional languages you want to include?

Select "Edit This Page" on the right hand toolbar and edit it! Or add new pages containing supporting types needed for this API (structures, delegates, and more).