BCGControlBar Pro for MFC
void CBCGPPlannerManagerCtrl::SetReadOnly ( BOOL  bReadOnly = TRUE)

Sets or clears the read-only flag.

Use this method to set or clear the read-only flag. In the read-only mode you can't insert, edit and drag appointments.

Parameters
bReadOnlyTRUE- set read-only flag; FALSE - clear read-only flag.