@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$ @pinvoke=http://pinvoke.net/$$$.htm Summary: MAPI - Constants used by the Messaging Application Programming Interface functions. !!!!C# Constants: /// <summary> /// A null session handle. /// </summary> public readonly IntPtr lhSessionNull = IntPtr.Zero; /// <summary> /// Indicates the original sender of the message. /// </summary> public const uint MAPI_ORIG = 0; /// <summary> /// Indicates a primary message recipient. /// </summary> public const uint MAPI_TO = 1; /// <summary> /// Indicates a recipient of a message copy. /// </summary> public const uint MAPI_CC = 2; /// <summary> /// Indicates a recipient of a blind copy. /// </summary> public const uint MAPI_BCC = 3; /// <summary> /// The message has not been read. /// </summary> public const uint MAPI_UNREAD = 0x00000001; /// <summary> /// A receipt notification is requested. /// /// Client applications set this flag when sending a message. /// </summary> public const uint MAPI_RECEIPT_REQUESTED = 0x00000002; /// <summary> /// The message has been sent. /// </summary> public const uint MAPI_SENT = 0x00000004; /// <summary> /// A logon dialog box should be displayed to prompt the user for logon information. /// /// If the user needs to provide a password and profile name to enable a successful logon, /// MAPI_LOGON_UI must be set. /// </summary> public const uint MAPI_LOGON_UI = 0x00000001; /// <summary> /// MAPILogon should only prompt for a password and not allow the user to change the profile name. /// /// Either MAPI_PASSWORD_UI or MAPI_LOGON_UI should not be set, since the intent is /// to select between two different dialog boxes for logon. /// </summary> public const uint MAPI_PASSWORD_UI = 0x00020000; /// <summary> /// An attempt should be made to create a new session rather than acquire the environment's shared session. /// /// If the MAPI_NEW_SESSION flag is not set, MAPILogon uses an existing shared session. /// </summary> public const uint MAPI_NEW_SESSION = 0x00000002; /// <summary> /// An attempt should be made to download all of the user's messages before returning. I /// /// If the MAPI_FORCE_DOWNLOAD flag is not set, messages can be downloaded in the background /// after the function call returns. /// </summary> public const uint MAPI_FORCE_DOWNLOAD = 0x00001000; /// <summary> /// Log on with extended capabilities. /// /// This flag indicates an Extended MAPI session will be created. /// </summary> public const uint MAPI_EXTENDED = 0x00000020; /// <summary> /// MAPI should not inform the MAPI spooler of the session's existence. The result is that no messages can be sent or received within /// the session except through a tightly coupled store and transport pair. A calling client sets this flag if it is acting as an agent, if /// configuration work must be done, or if the client is browsing the available message stores. /// </summary> public const uint MAPI_NO_MAIL = 0x00008000; /// <summary> /// A dialog box should be displayed to prompt the user for recipients and other sending options. /// /// When MAPI_DIALOG is not set, at least one recipient must be specified. /// </summary> public const uint MAPI_DIALOG = 0x00000008; /// <summary> /// Only unread messages of the specified type should be enumerated. /// /// If this flag is not set, MAPIFindNext can return any message of the specified type. /// </summary> public const uint MAPI_UNREAD_ONLY = 0x00000020; /// <summary> /// The attachment is an OLE object. /// If MAPI_OLE_STATIC is also set, the attachment is a static OLE object. /// If MAPI_OLE_STATIC is not set, the attachment is an embedded OLE object. /// </summary> public const uint MAPI_OLE = 0x00000001; /// <summary> /// The attachment is a static OLE object. /// </summary> public const uint MAPI_OLE_STATIC = 0x00000002; /// <summary> /// The message identifiers returned should be in the order of time received. /// MAPIFindNext calls can take longer if this flag is set. /// Some implementations cannot honor this request and return the MAPI_E_NOT_SUPPORTED value. /// </summary> public const uint MAPI_GUARANTEE_FIFO = 0x00000100; /// <summary> /// The returned message identifier can be as long as 512 characters. /// /// If this flag is set, the lpszMessageID parameter must be large enough to accomodate 512 characters. /// /// Older versions of MAPI supported smaller message identifiers (64 bytes) and did not include this flag. /// MAPIFindNext will succeed without this flag set as long as lpszMessageID is large enough /// to hold the message identifier. If lpszMessageID cannot hold the message identifier, /// MAPIFindNext will fail. /// </summary> public const uint MAPI_LONG_MSGID = 0x00004000; /// <summary> /// MAPIReadMail does not mark the message as read. /// /// Marking a message as read affects its appearance in the user interface and generates a read receipt. /// /// If the messaging system does not support this flag, MAPIReadMail always marks the /// message as read. If MAPIReadMail encounters an error, it leaves the message unread. /// </summary> public const uint MAPI_PEEK = 0x00000080; /// <summary> /// MAPIReadMail should not copy file attachments but should write message text into the /// MapiMessage structure. /// /// MAPIReadMail ignores this flag if the calling application has set the /// MAPI_ENVELOPE_ONLY flag. Setting the MAPI_SUPPRESS_ATTACH flag enhances performance. /// </summary> public const uint MAPI_SUPPRESS_ATTACH = 0x00000800; /// <summary> /// MAPIReadMail should read the message header only. /// /// File attachments are not copied to temporary files, and neither temporary file names nor message /// text is written. Setting this flag enhances performance. /// </summary> public const uint MAPI_ENVELOPE_ONLY = 0x00000040; /// <summary> /// MAPIReadMail should write the message text to a temporary file /// and add it as the first attachment in the attachment list. /// </summary> public const uint MAPI_BODY_AS_FILE = 0x00000200; /// <summary> /// The caller is requesting that the dialog box be read-only, prohibiting changes. /// /// MAPIDetails might or might not honor the request. /// </summary> public const uint MAPI_AB_NOMODIFY = 0x00000400; /// <summary> /// The call succeeded. /// </summary> public const uint MAPI_SUCCESS_SUCCESS = 0; /// <summary> /// The user canceled one of the dialog boxes. /// </summary> public const uint MAPI_USER_ABORT = 1; /// <summary> /// The user canceled one of the dialog boxes. /// </summary> public const uint MAPI_E_USER_ABORT = MAPI_USER_ABORT; /// <summary> /// One or more unspecified errors occurred. /// </summary> public const uint MAPI_E_FAILURE = 2; /// <summary> /// There was no default logon, and the user failed to log on successfully when the logon dialog box /// was displayed. /// </summary> public const uint MAPI_E_LOGON_FAILURE = 3; /// <summary> /// There was no default logon, and the user failed to log on successfully when the logon dialog box /// was displayed. /// </summary> public const uint MAPI_E_LOGIN_FAILURE = MAPI_E_LOGON_FAILURE; /// <summary> /// A file could not be written because there was not enough space on the disk. /// </summary> public const uint MAPI_E_DISK_FULL = 4; /// <summary> /// There was insufficient memory to proceed. /// </summary> public const uint MAPI_E_INSUFFICIENT_MEMORY = 5; /// <summary> /// Access to the MAPI client was denied. /// </summary> public const uint MAPI_E_ACCESS_DENIED = 6; /// <summary> /// The user had too many sessions open simultaneously. /// </summary> public const uint MAPI_E_TOO_MANY_SESSIONS = 8; /// <summary> /// There were too many file attachments. /// </summary> public const uint MAPI_E_TOO_MANY_FILES = 9; /// <summary> /// There were too many recipients. /// </summary> public const uint MAPI_E_TOO_MANY_RECIPIENTS = 10; /// <summary> /// The specified attachment was not found. /// </summary> public const uint MAPI_E_ATTACHMENT_NOT_FOUND = 11; /// <summary> /// The specified attachment could not be opened. /// </summary> public const uint MAPI_E_ATTACHMENT_OPEN_FAILURE = 12; /// <summary> /// An attachment could not be written to a temporary file. /// </summary> public const uint MAPI_E_ATTACHMENT_WRITE_FAILURE = 13; /// <summary> /// A recipient did not appear in the address list. /// </summary> public const uint MAPI_E_UNKNOWN_RECIPIENT = 14; /// <summary> /// The type of a recipient was not MAPI_TO, MAPI_CC, or MAPI_BCC. /// </summary> public const uint MAPI_E_BAD_RECIPTYPE = 15; /// <summary> /// A matching message could not be found. /// </summary> public const uint MAPI_E_NO_MESSAGES = 16; /// <summary> /// An invalid message identifier was passed. /// </summary> public const uint MAPI_E_INVALID_MESSAGE = 17; /// <summary> /// The text in the message was too large. /// </summary> public const uint MAPI_E_TEXT_TOO_LARGE = 18; /// <summary> /// An invalid session handle was used. /// </summary> public const uint MAPI_E_INVALID_SESSION = 19; /// <summary> /// An unsupported type was passed. /// </summary> public const uint MAPI_E_TYPE_NOT_SUPPORTED = 20; /// <summary> /// A recipient matched more than one of the recipient descriptor structures. /// </summary> public const uint MAPI_E_AMBIGUOUS_RECIPIENT = 21; /// <summary> /// A recipient matched more than one of the recipient descriptor structures. /// </summary> public const uint MAPI_E_AMBIG_RECIP = MAPI_E_AMBIGUOUS_RECIPIENT; /// <summary> /// The specified message was in use by another session or process. /// </summary> public const uint MAPI_E_MESSAGE_IN_USE = 22; /// <summary> /// A non-specific networking failure occurred. /// </summary> public const uint MAPI_E_NETWORK_FAILURE = 23; /// <summary> /// The value of the nEditFields parameter was outside the range of 0 through 4. /// </summary> public const uint MAPI_E_INVALID_EDITFIELDS = 24; /// <summary> /// One or more recipients were invalid or did not resolve to any address. /// </summary> public const uint MAPI_E_INVALID_RECIPS = 25; /// <summary> /// The operation was not supported by the underlying messaging system. /// </summary> public const uint MAPI_E_NOT_SUPPORTED = 26; !!!!VB Constants: VB CONSTANTS ' Added by Dewayne Gunter !!!!Notes: It is fairly easy to edit between c# and vb cSharp declares type first then name vb declare name then type also the 0x hex in c# is &H hex in vb figured I would Edit this page and let others know how to edit from c# to vb.net Public ReadOnly lhSessionNUll As IntPtr = IntPtr.Zero Public Const MAPI_ORIG As UInteger = 0 Public Const MAPI_TO As UInteger = 1 Public Const MAPI_CC As UInteger = 2 Public Const MAPI_BCC As UInteger = 3 Public Const MAPI_UNREAD As UInteger = &H1 Public Const MAPI_RECEIPT_REQUESTED As UInteger = &H2 Public Const MAPI_SENT As UInteger = &H4 Public Const MAPI_LOGON_UUI As UInteger = &H1 Public Const MAPI_PASSWORD_UUI As UInteger = &H20000 Public Const MAPI_NEW_SESSION As UInteger = &H2 Public Const MAPI_FORCE_DOWNLOAD As UInteger = &H1000 Public Const MAPI_EXTENDED As UInteger = &H20 Public Const MAPI_NO_MAIL As UInteger = &H8000 Public Const MAPI_DIALOG As UInteger = &H8 Public Const MAPI_UNREAD_ONLY As UInteger = &H20 Public Const MAPI_OLE As UInteger = &H1 Public Const MAPI_OLE_STATIC As UInteger = &H2 Public Const MAPI_GUARANTEE_FIFO As UInteger = &H100 Public Const MAPI_LONG_MSGID As UInteger = &H4000 Public Const MAPI_PEEK As UInteger = &H80 Public Const MAPI_SUPPRESS_ATTACH As UInteger = &H800 Public Const MAPI_ENVELOPE_ONLY As UInteger = &H40 Public Const MAPI_BODY_AS_FILE As UInteger = &H200 Public Const MAPI_AB_NOMODIFY As UInteger = &H400 Public Const MAPI_SUCCESS_SUCCESS As UInteger = 0 Public Const MAPI_USER_ABORT As UInteger = 1 Public Const MAPI_E_USER_ABORT As UInteger = MAPI_USER_ABORT Public Const MAPI_E_FAILURE As UInteger = 2 Public Const MAPI_E_LOGON_FAILURE As UInteger = 3 Public Const MAPI_E_LOGIN_FAILURE As UInteger = MAPI_E_LOGON_FAILURE Public Const MAPI_E_DISK_FULL As UInteger = 4 Public Const MAPI_E_INSUFFICIENT_MEMORY As UInteger = 5 Public Const MAPI_E_ACCESS_DENIED As UInteger = 6 Public Const MAPI_E_TOO_MANY_SESSIONS As UInteger = 8 Public Const MAPI_E_TOO_MANY_FILES As UInteger = 9 Public Const MAPI_E_TOO_MANY_RECIPIENTS As UInteger = 10 Public Const MAPI_E_ATTACHMENT_NOT_FOUND As UInteger = 11 Public Const MAPI_E_ATTACHMENT_OPEN_FAILURE As UInteger = 12 Public Const MAPI_E_ATTACHMENT_WRITE_FAILURE As UInteger = 13 Public Const MAPI_E_UNKNOWN_RECIPIENT As UInteger = 14 Public Const MAPI_E_BAD_RECIPTYPE As UInteger = 15 Public Const MAPI_E_NO_MESSAGES As UInteger = 16 Public Const MAPI_E_INVALID_MESSAGE As UInteger = 17 Public Const MAPI_E_TEXT_TOO_LARGE As UInteger = 18 Public Const MAPI_E_INVALID_SESSION As UInteger = 19 Public Const MAPI_E_TYPE_NOT_SUPPORTED As UInteger = 20 Public Const MAPI_E_AMBIGUOS_RECIPIENT As UInteger = 21 Public Const MAPI_E_AMBIG_RECIP As UInteger = MAPI_E_AMBIGUOS_RECIPIENT Public Const MAPI_E_MESSAGE_IN_USE As UInteger = 22 Public Const MAPI_E_NETWORK_FAILURE As UInteger = 23 Public Const MAPI_E_INVALID_EDITFIELDS As UInteger = 24 Public Const MAPI_E_INVALID_RECIPS As UInteger = 25 Public Const MAPI_E_NOT_SUPPORTED As UInteger = 26
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