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(Unicode C) MIME Content-Disposition Header FieldExplains the Content-Disposition header field and the properties used for setting or updating.
#include <C_CkMimeW.h> void ChilkatSample(void) { BOOL success; HCkMimeW mime; // The Content-Disposition header field provides a suggestion to the receiver for how the content is to be processed. // The standard dispositions are "inline" and "attachment". // A disposition of "attachment" indicates the content is something to be saved to a file and not processed (such as rendering for viewing inline). // A disposition of "inline" indicates the content should be processed (displayed) inline with the other parts of the MIME message. // For example, an email client could handle a JPG image based on the disposition. If the disposition is "attachment", // the email client (such as Thunderbird, GMail, or Outlook) might simply list the JPG image as one of the email's attachments, // but won't display the JPG image. If the disposition is "inline", the email client might display the JPG image, but not list // it as an attachment. // The Content-Disposition header field can also include a "filename" attribute. This is the suggested default filename if the content // is to be saved to a file. mime = CkMimeW_Create(); // The Content-Disposition header field can be set or modified in two ways. // 1) By setting the Disposition and Filename properties. // 2) By setting the entire contents of the Content-Disposition header with the SetHeaderField method. // Setting the Content-Disposition header automatically updates the Disposition and Filename properties. // For example: CkMimeW_putDisposition(mime,L"attachment"); CkMimeW_putFilename(mime,L"ghost.jpg"); // The Content-Disposition header field contains this: // Content-Disposition: attachment; filename="ghost.jpg" wprintf(L"%s\n",CkMimeW_getEntireHead(mime)); wprintf(L"-\n"); // If we set the entire header field.. CkMimeW_SetHeaderField(mime,L"Content-Disposition",L"attachment; filename=\"zombie.jpg\""); // The Content-Disposition header field now contains this: // Content-Disposition: attachment; filename="zombie.jpg" wprintf(L"%s\n",CkMimeW_getEntireHead(mime)); wprintf(L"-\n"); // Notice how the Filename property has been updated wprintf(L"Filename property: %s\n",CkMimeW_filename(mime)); wprintf(L"-\n"); // To change a particular attribute value, set the property. CkMimeW_putFilename(mime,L"skeleton.jpg"); wprintf(L"%s\n",CkMimeW_getEntireHead(mime)); wprintf(L"-\n"); // To remove the filename from the Content-Disposition header, // set the property to an empty string. CkMimeW_putFilename(mime,L""); wprintf(L"%s\n",CkMimeW_getEntireHead(mime)); wprintf(L"-\n"); CkMimeW_Dispose(mime); } |
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