GetMailBodyLength

GetMailBodyLength

Mail level API

The GetMailBodyLength gets the size of the text part of the specified mail message.

Delphi syntax:

function GetMailBodyLength (Handle: TMailboxHandle; FolderNumber, MailNumber: dword; var Len: Int64): dword;

C++ syntax:

DWORD WINAPI GetMailBodyLength (DWORD Handle, DWORD FolderNumber, DWORD MailNumber, LONGLONG * Len);

C# syntax:

public static extern int GetMailBodyLength (int boxHandle, int FolderNumber, int MailNumber, out Int64 Len);

Parameters:

Handle

Handle of previously opened mailbox.

FolderNumber

Number of the folder with the mail.

MailNumber

Specifies an ordinal number of a mail message inside the folder.

Len

Out parameter that receives message body length.

Return Values:
Return the size of the text part of the mail message in Len parameter.

On success return OMS_OK or Error Code if fails.

Remarks:

Use with GetMailBody API to obtain a size of memory to allocate for holding mail body.