(SQL Server) Transition from MailMan.TransferMultipleMime to MailMan.FetchMimeBd

Provides instructions for replacing deprecated TransferMultipleMime method calls with FetchMimeBd.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @mailman int
    -- Use "Chilkat_9_5_0.MailMan" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.MailMan', @mailman OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- ...
    -- ...

    DECLARE @saUidls int
    -- Use "Chilkat_9_5_0.StringArray" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.StringArray', @saUidls OUT

    DECLARE @success int
    EXEC sp_OAMethod @saUidls, 'Append', @success OUT, 'aaa'
    EXEC sp_OAMethod @saUidls, 'Append', @success OUT, 'bbb'
    EXEC sp_OAMethod @saUidls, 'Append', @success OUT, 'ccc'

    DECLARE @stUidls int
    -- Use "Chilkat_9_5_0.StringTable" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.StringTable', @stUidls OUT

    EXEC sp_OAMethod @stUidls, 'Append', @success OUT, 'aaa'
    EXEC sp_OAMethod @stUidls, 'Append', @success OUT, 'bbb'
    EXEC sp_OAMethod @stUidls, 'Append', @success OUT, 'ccc'

    -- ------------------------------------------------------------------------
    -- The TransferMultipleMime method is deprecated:

    DECLARE @sa int
    EXEC sp_OAMethod @mailman, 'TransferMultipleMime', @sa OUT, @saUidls
    EXEC sp_OAGetProperty @mailman, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @mailman, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @mailman
        EXEC @hr = sp_OADestroy @saUidls
        EXEC @hr = sp_OADestroy @stUidls
        RETURN
      END

    -- ...
    -- ...

    EXEC @hr = sp_OADestroy @sa

    -- ------------------------------------------------------------------------
    -- Do the equivalent using FetchMimeBd.

    EXEC sp_OASetProperty @mailman, 'ImmediateDelete', 0

    DECLARE @success int
    SELECT @success = 0
    DECLARE @bdMime int
    -- Use "Chilkat_9_5_0.BinData" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.BinData', @bdMime OUT

    DECLARE @numUidls int
    EXEC sp_OAGetProperty @stUidls, 'Count', @numUidls OUT
    DECLARE @i int
    SELECT @i = 0
    WHILE @i < @numUidls
      BEGIN
        EXEC sp_OAMethod @stUidls, 'StringAt', @sTmp0 OUT, @i
        EXEC sp_OAMethod @mailman, 'FetchMimeBd', @success OUT, @sTmp0, @bdMime
        -- ...

        -- Mark the email for deletion.
        EXEC sp_OAMethod @stUidls, 'StringAt', @sTmp0 OUT, @i
        EXEC sp_OAMethod @mailman, 'DeleteByUidl', @success OUT, @sTmp0
        -- ...

        SELECT @i = @i + 1
      END

    -- emails marked for deletion will be deleted at this time
    EXEC sp_OAMethod @mailman, 'Pop3EndSession', @success OUT

    EXEC @hr = sp_OADestroy @mailman
    EXEC @hr = sp_OADestroy @saUidls
    EXEC @hr = sp_OADestroy @stUidls
    EXEC @hr = sp_OADestroy @bdMime


END
GO