SeekableStreamWrite - метод

Список перегрузок

Write(ReadOnlySpanByte)When overridden in a derived class, writes a sequence of bytes to the current stream and advances the current position within this stream by the number of bytes written.
Write(Byte, Int32, Int32)When overridden in a derived class, writes a sequence of bytes to the current stream and advances the current position within this stream by the number of bytes written.

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