IOleControl
The IOleControl
interface provides the features for supporting keyboard mnemonics (GetControlInfo,
OnMnemonic), ambient properties (OnAmbientPropertyChange), and
events (FreezeEvents) in control objects.
When to Implement
Implement
this interface for a control object to communicate with the control s
container, for example, when managing keyboard activity or obtaining the
container s ambient properties.
When to Use
A control
container uses this interface to work with keyboard mnemonics, ambient
properties, and events of a contained control object.
Methods in Vtable Order
|
IUnknown
Methods |
Description |
|
QueryInterface |
Returns
pointers to supported interfaces. |
|
AddRef |
Increments
reference count. |
|
Release |
Decrements
reference count. |
|
IOleControl
Methods |
Description |
|
GetControlInfo |
Fills in a CONTROLINFO
structure with information about the control s keyboard behavior. |
|
OnMnemonic |
Informs the
control that the user has pressed a keystroke that the control specified
through GetControlInfo. The control takes whatever action is
appropriate for the keystroke. |
|
OnAmbientPropertyChange |
Informs an
control that one or more of the container s ambient properties has changed. |
|
FreezeEvents |
Indicates
whether or not the container ignores or accepts events from the control. |
See Also