[MSDN Library June 1998] LB_SETHORIZONTALEXTENT (50.3831417624521%)

MSDN Library Visual Studio 6.0 > Platform SDK > User Interface Services > Controls > List Boxes > List Box Reference > List Box Messages

[MSDN Library April 2000] LB_SETHORIZONTALEXTENT (50.3831417624521%)

MSDN Library - April 2000 > Platform SDK > User Interface Services > Windows User Interface > Controls > List Boxes > List Box Reference > List Box Messages

[MSDN Library April 2000] LB_SETHORIZONTALEXTENT (42.0977011494253%)

MSDN Library - April 2000 > Windows CE Documentation > Application Development > API Reference > User Interface > Messages