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Gets the size of the buffer required to hold pUnitAbbrev in LAnnRuler::GetUnit.
#include "ltwrappr.h"
virtual L_SIZE_T LAnnRuler::GetUnitLen()
The length of the unit abbreviation string.
Call this function before calling LAnnRuler::GetUnit if you want to get the exact size required to hold the Unit Abbreviation string.
Win32, x64.
For an example, refer to LAnnRuler::SetUnit.
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