CComControlBase::m_bRequiresSave
Flag indicating the control has changed since it was last saved.
unsigned m_bRequiresSave:1;
Remarks
The value of m_bRequiresSave can be set with CComControlBase::SetDirty and retrieved with CComControlBase::GetDirty.
Note
To use this data member within your control class, you must declare it as a data member in your control class. Your control class will not inherit this data member from the base class because it is declared within a union in the base class.
Requirements
Header: atlctl.h