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(DataFlex) Get the Value of a MIME Header FieldDemonstrates how to get the value of a MIME header field. If the header field is not in the top-level MIME header, we must first navigate to the correct MIME part. Note: This example requires Chilkat v11.0.0 or greater.
Use ChilkatAx-win32.pkg Procedure Test Boolean iSuccess Handle hoMime Variant vMpRelated Handle hoMpRelated Variant vPJpg Handle hoPJpg String sTemp1 Move False To iSuccess // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. Get Create (RefClass(cComChilkatMime)) To hoMime If (Not(IsComObjectCreated(hoMime))) Begin Send CreateComObject of hoMime End // The contents of this MIME file are shown below, // and is also available at https://www.chilkatsoft.com/sampleMime.txt Get ComLoadMimeFile Of hoMime "qa_data/mime/sampleMime.txt" To iSuccess If (iSuccess = False) Begin Get ComLastErrorText Of hoMime To sTemp1 Showln sTemp1 Procedure_Return End // The MIME used in this example has the following nested structure // // multipart/alternative // text/plain // multipart/related // text/html // image/jpeg // // Getting the content of a top-level MIME header is easy. // MIME header fields are case insensitive. Get ComGetHeaderField Of hoMime "subject" To sTemp1 Showln "Subject = " sTemp1 Get ComGetHeaderField Of hoMime "mime-version" To sTemp1 Showln "MIME-Version = " sTemp1 // To get a MIME header in a sub-part, first navigate to it.. Get Create (RefClass(cComChilkatMime)) To hoMpRelated If (Not(IsComObjectCreated(hoMpRelated))) Begin Send CreateComObject of hoMpRelated End Get pvComObject of hoMpRelated to vMpRelated Get ComPartAt Of hoMime 1 vMpRelated To iSuccess If (iSuccess = False) Begin Get ComLastErrorText Of hoMime To sTemp1 Showln sTemp1 Procedure_Return End Get Create (RefClass(cComChilkatMime)) To hoPJpg If (Not(IsComObjectCreated(hoPJpg))) Begin Send CreateComObject of hoPJpg End Get pvComObject of hoPJpg to vPJpg Get ComPartAt Of hoMpRelated 1 vPJpg To iSuccess If (iSuccess = False) Begin Get ComLastErrorText Of hoMpRelated To sTemp1 Showln sTemp1 Procedure_Return End Get ComGetHeaderField Of hoPJpg "content-id" To sTemp1 Showln "JPG Content-ID = " sTemp1 Get ComGetHeaderField Of hoPJpg "content-type" To sTemp1 Showln "JPG Content-Type = " sTemp1 // -------------------------------------------------------------- // -------------------------------------------------------------- // The MIME sample file loaded at the beginning of this example // contains the following MIME: // Subject: Test email. // Content-Type: multipart/alternative; // boundary="------------DB171738719FB06D67DEBAA0" // MIME-Version: 1.0 // // --------------DB171738719FB06D67DEBAA0 // Content-Type: text/plain; charset="utf-8"; format=flowed // Content-Transfer-Encoding: 7bit // // This is a test. // // --------------DB171738719FB06D67DEBAA0 // Content-Type: multipart/related; // boundary="------------A940F1230E6F0105F03DB2CB" // // --------------A940F1230E6F0105F03DB2CB // Content-Type: text/html; charset="utf-8" // Content-Transfer-Encoding: 8bit // // <html><head> // <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> // </head> // <body bgcolor="#FFFFFF" text="#000000"> // <p>This is a test. <img src="cid:part1.E16AE3B4.1505C436@chilkatsoft.com" height="20" width="20"></p> // </body> // </html> // // --------------A940F1230E6F0105F03DB2CB // Content-Type: image/jpeg; name="starfish20.jpg" // Content-Transfer-Encoding: base64 // Content-ID: <part1.E16AE3B4.1505C436@chilkatsoft.com> // Content-Disposition: inline; filename="starfish20.jpg" // // /9j/4AAQSkZJRgABAQEASABIAAD//gAmRmlsZSB3cml0dGVuIGJ5IEFkb2JlIFBob3Rvc2hvcD8g // NC4w/9sAQwAQCwwODAoQDg0OEhEQExgoGhgWFhgxIyUdKDozPTw5Mzg3QEhcTkBEV0U3OFBtUVdf // YmdoZz5NcXlwZHhcZWdj/9sAQwEREhIYFRgvGhovY0I4QmNjY2NjY2NjY2NjY2NjY2NjY2NjY2Nj // Y2NjY2NjY2NjY2NjY2NjY2NjY2NjY2NjY2Nj/8IAEQgAFAAUAwERAAIRAQMRAf/EABcAAAMBAAAA // AAAAAAAAAAAAAAIDBAX/xAAYAQADAQEAAAAAAAAAAAAAAAABAgMEAP/aAAwDAQACEAMQAAAB2kZY // NNEijWKddfTmLgALWH//xAAbEAACAgMBAAAAAAAAAAAAAAABAgMRAAQSE//aAAgBAQABBQL0XqN+ // pM2aqJGMiqFFCyg7z//EABwRAAICAgMAAAAAAAAAAAAAAAERAAIQIQMSUf/aAAgBAwEBPwHqU5aq // Axx+y1tMQl4elj//xAAcEQEAAQUBAQAAAAAAAAAAAAABEQACEBIhA1H/2gAIAQIBAT8B3Bhqy7Zc // enyiwmGgDhiOzj//xAAdEAABAwUBAAAAAAAAAAAAAAABAAIREBIhIkFR/9oACAEBAAY/ArZyn+Cg // xtxWuJaoCnqDuin/xAAcEAABBAMBAAAAAAAAAAAAAAABABEhYRAxQVH/2gAIAQEAAT8hkEwPUUR9 // DYfE4nxtRpIkBTsayuALIiuY/9oADAMBAAIAAwAAABDWPTsf/8QAGhEAAwADAQAAAAAAAAAAAAAA // AAEREDFBIf/aAAgBAwEBPxC0DVPcWm+Ce4OesrkE6bjH/8QAGBEBAQEBAQAAAAAAAAAAAAAAAREA // QRD/2gAIAQIBAT8QahMiOc8YgSrnTY3ELclHXn//xAAcEAEBAAIDAQEAAAAAAAAAAAABEQAhMUFx // EFH/2gAIAQEAAT8Qn3igmSZSj+c4N4zapMy9IjFV98wncN2iuLFsCEbDGxQkI6RO/n//2Q== // // --------------A940F1230E6F0105F03DB2CB-- // // --------------DB171738719FB06D67DEBAA0-- // End_Procedure |
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