# Synopsis

(macro) PDX_MSGT mda_AllocateAppData(long option, size_t size, MDA_APP_DATA **ad_ptr)

# Purpose

Macro for old source code compatibility

# Description

Providing the backward compatibility of the function. We strongly recommend using function mda_AllocateAppData2(). Please see mda_AllocateAppData2() for usage.

# Input

## option

See mda_AllocateAppData2()

## size

See mda_AllocateAppData2()

# Output

## ad_ptr

See mda_AllocateAppData2()

# Return

MDA error code