BCGControlBar Pro for MFC
void CBCGPGanttChart::GetVisibleTimeRange ( COleDateTime *  ptmStart,
COleDateTime *  ptmEnd 
) const

Returns leftmost and rightmost visible date time values.

Parameters
ptmStartWhen the function returns it contains the leftmost visible date time value.
ptmEndWhen the function returns it contains the rightmost visible date time value.