get_message_info_data

Description:

public VeeMessageInfoData get_message_info_data (Folder folder, string orig_message_uid)

Returns a referenced VeeMessageInfoData referencing the given folder and orig_message_uid.

If it's not part of the this, then it is created and auto-added. Use contains_message_info_data when you only want to check the existence, without adding it to the this.

Parameters:

this	a VeeDataCache
folder	a Folder to which the `orig_message_uid` belongs
orig_message_uid	a message UID from the `folder` to return

Returns:

a referenced VeeMessageInfoData; unref it with unref, when no longer needed.