/// <summary>
/// sends a photo to the chat
/// </summary>
/// <returns>on success, the sent Message is returned </returns>
public Message SendPhoto(Chat chat, InputFile photo, string caption = null, MarkdownStyles markdownStyle = MarkdownStyles.None, bool disableNotification = false, Message replyToMessage = null)
{
Require(chat, photo);
var parameters = new List <MultiPartParameter>
{
new MultiPartStringParameter("chat_id", chat.Id.ToString()),
photo.GetMultiPartParameter("photo")
};
if (!string.IsNullOrEmpty(caption))
{
parameters.Add(new MultiPartStringParameter("caption", caption));
}
if (markdownStyle != MarkdownStyles.None)
{
parameters.Add(new MultiPartStringParameter("parse_mode", Enum.GetName(typeof(MarkdownStyles), markdownStyle)));
}
if (disableNotification)
{
parameters.Add(new MultiPartStringParameter("disable_notification", disableNotification.ToString()));
}
if (replyToMessage != null)
{
parameters.Add(new MultiPartStringParameter("reply_to_message_id", replyToMessage.MessageId.ToString()));
}
var result = _communicator.GetMultiPartReply <SendPhotoReply>("sendPhoto", parameters.ToArray());
if (result.Ok)
{
return(result.SentMessage);
}
else
{
return(null);
}
}
