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BufGetUnicode (Magic xpa 3.x)

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Created ByKnowledge Migration User
Approval Process StatusPublished
Objective
Description

BufGetUnicode (Magic xpa 3.x)

Converts a value stored in a specified position in a buffer to a Unicode string.

Syntax:

BufGetUnicode(variable reference, position, storage, length, value as pointer)

Parameters:

variable reference - The reference to the BLOB variable containing the buffer. For example, 'A'VAR

position – The numeric value defining the starting position of the conversion method.

storage – A numeric value representing a valid storage type in Magic xpa. For a list of storage types, see Magic xpa Storage Types.

length – A numeric value representing the storage length.

value as pointer – A logical value indicating if the Unicode value should be written directly to the buffer or as a pointer to the data. If you enter True, Magic xpa writes the Unicode value as a pointer.

Returns:

A Unicode string when the conversion succeeds. An empty string when the conversion fails.

The function fails when the:

  • Position parameter has a negative value.

  • Position and length parameters are not part of the BLOB's content.

  • Storage parameter does not contain a valid number.

  • Length parameter does not contain a valid value.

See also:

Buffers

BufSetUnicode

SetBufCnvParam

The Online and Rich Client Samples projects (program CS01 and RCS01)

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