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(Unicode C) Send HTML Email with Embedded Image Loaded from MemoryDemonstrates how to compose an HTML email with an embedded image where the image data is loaded directly from memory.
#include <C_CkFileAccessW.h> #include <C_CkByteData.h> #include <C_CkMailManW.h> #include <C_CkEmailW.h> #include <C_CkStringBuilderW.h> void ChilkatSample(void) { HCkFileAccessW fac; HCkByteData imageBytes; HCkMailManW mailman; HCkEmailW email; const wchar_t *contentIdStarfish; HCkStringBuilderW sbHtml; int numReplacements; BOOL success; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // First load image data into memory. // This example loads image data from a file. // However, your application could get the image data from any other source, such as // from a database. fac = CkFileAccessW_Create(); imageBytes = CkByteData_Create(); success = CkFileAccessW_ReadEntireFile(fac,L"qa_data/jpg/starfish.jpg",imageBytes); // The mailman object is used for sending and receiving email. mailman = CkMailManW_Create(); // Use your SMTP server hostname. This example uses office365, but it could be any SMTP server.. CkMailManW_putSmtpHost(mailman,L"outlook.office365.com"); CkMailManW_putSmtpPort(mailman,587); CkMailManW_putStartTLS(mailman,TRUE); // Set the SMTP login/password CkMailManW_putSmtpUsername(mailman,L"OFFICE365-SMTP-LOGIN"); CkMailManW_putSmtpPassword(mailman,L"OFFICE365-SMTP-PASSWORD"); // Create a new email object email = CkEmailW_Create(); CkEmailW_putSubject(email,L"HTML Email with Image Loaded from In-Memory Bytes"); CkEmailW_putFrom(email,L"Chilkat Support <my-office365-user@mydomain.com>"); CkEmailW_AddTo(email,L"Chilkat Support",L"support@chilkatsoft.com"); contentIdStarfish = CkEmailW_addRelatedData(email,L"starfish.jpg",imageBytes); if (CkEmailW_getLastMethodSuccess(email) != TRUE) { wprintf(L"%s\n",CkEmailW_lastErrorText(email)); CkFileAccessW_Dispose(fac); CkByteData_Dispose(imageBytes); CkMailManW_Dispose(mailman); CkEmailW_Dispose(email); return; } // The src attribute for the image tag is set to the contentIdStarfish: sbHtml = CkStringBuilderW_Create(); CkStringBuilderW_Append(sbHtml,L"<html><body><p>This is an HTML email with an embedded image.</p>"); CkStringBuilderW_Append(sbHtml,L"<p><img src=\"cid:CONTENT_ID_STARFISH\" /></p></body></html>"); numReplacements = CkStringBuilderW_Replace(sbHtml,L"CONTENT_ID_STARFISH",contentIdStarfish); CkEmailW_SetHtmlBody(email,CkStringBuilderW_getAsString(sbHtml)); success = CkMailManW_SendEmail(mailman,email); if (success != TRUE) { wprintf(L"%s\n",CkMailManW_lastErrorText(mailman)); } else { wprintf(L"Mail Sent!\n"); } CkFileAccessW_Dispose(fac); CkByteData_Dispose(imageBytes); CkMailManW_Dispose(mailman); CkEmailW_Dispose(email); CkStringBuilderW_Dispose(sbHtml); } |
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