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Summary
Retrieve binary data.
Syntax
Long DataB (Buffer, Bytes)
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Buffer |
Variant |
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Bytes |
Long |
Description
The DataB method retrieves the binary data and passes it to the application.
The DataB method takes a buffer (Buffer) and the number of bytes to read (Bytes) as its parameters and returns the actual number of bytes retrieved. The Buffer parameter
should be an array of bytes data type. The Bytes parameter specifies how many bytes should be retrieved.
If there are less data to be read than the requested Bytes, only the available data are read. This is reflected in the return value. If the returned value is less than the requested
Bytes, this means there are less data available than requested. The application should also check to make sure what is the actual number of bytes read.
Example
Length = VT220Client.DataB (Buffer, Bytes)
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