IOleControlImpl Class
This class provides a default implementation of the IOleControl interface and implements IUnknown.
Important
This class and its members cannot be used in applications that execute in the Windows Runtime.
Syntax
template<class T>
class IOleControlImpl
Parameters
T
Your class, derived from IOleControlImpl.
Members
Public Methods
| Name | Description |
|---|---|
| IOleControlImpl::FreezeEvents | Indicates whether or not the container ignores or accepts events from the control. |
| IOleControlImpl::GetControlInfo | Fills in information about the control's keyboard behavior. The ATL implementation returns E_NOTIMPL. |
| IOleControlImpl::OnAmbientPropertyChange | Informs a control that one or more of the container's ambient properties has changed. The ATL implementation returns S_OK. |
| IOleControlImpl::OnMnemonic | Informs the control that a user has pressed a specified keystroke. The ATL implementation returns E_NOTIMPL. |
Remarks
Class IOleControlImpl provides a default implementation of the IOleControl interface and implements IUnknown by sending information to the dump device in debug builds.
Related Articles ATL Tutorial, Creating an ATL Project
Inheritance Hierarchy
IOleControl
IOleControlImpl
Requirements
Header: atlctl.h
IOleControlImpl::FreezeEvents
In ATL's implementation, FreezeEvents increments the control class's m_nFreezeEvents data member if bFreeze is TRUE, and decrements m_nFreezeEvents if bFreeze is FALSE.
HRESULT FreezeEvents(BOOL bFreeze);
Remarks
FreezeEvents then returns S_OK.
See IOleControl::FreezeEvents in the Windows SDK.
IOleControlImpl::GetControlInfo
Fills in information about the control's keyboard behavior.
HRESULT GetControlInfo(LPCONTROLINFO pCI);
Remarks
See IOleControl:GetControlInfo in the Windows SDK.
Return Value
Returns E_NOTIMPL.
IOleControlImpl::OnAmbientPropertyChange
Informs a control that one or more of the container's ambient properties has changed.
HRESULT OnAmbientPropertyChange(DISPID dispid);
Return Value
Returns S_OK.
Remarks
See IOleControl::OnAmbientPropertyChange in the Windows SDK.
IOleControlImpl::OnMnemonic
Informs the control that a user has pressed a specified keystroke.
HRESULT OnMnemonic(LPMSG pMsg);
Return Value
Returns E_NOTIMPL.
Remarks
See IOleControl::OnMnemonic in the Windows SDK.
See also
IOleObjectImpl Class
ActiveX Controls Interfaces
Class Overview