iOS Question Send file to Telegram


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On the forum, I found an example of sending a file to telegram via B4J. It is also suitable via B4A.
But I can't use this example to send a file via B4I because the library iRandomAccessFile doesn't support CountingInputStream.
In general, this example is necessary for uploading files with progress, but in this case, progress is not as important to me as the very ability to send files. Is there any way to send a file to telegram via B4I?
Does anyone know another way to send a file to telegram?