IOleInPlaceSite::GetWindowContext - OLE Programmer's Reference

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IOleInPlaceSite::GetWindowContext

Enables the in-place object to retrieve the window interfaces that form the window object hierarchy, and the position in the parent window where the object's in-place activation window should be placed.

HRESULT GetWindowContext(

IOleInPlaceFrame **ppFrame,	//Location to return frame interface pointer
IOleInPlaceUIWindow **ppDoc,	//Location to return document window pointer
LPRECT lprcPosRect,	//Points to position of in-place object
LPRECT lprcClipRect,	//Points to in-place object's position rectangle
LPOLEINPLACEFRAMEINFO lpFrameInfo	//Points to OLEINPLACEFRAMEINFO structure
);

Parameters
ppFrame
[out] Points to where the pointer to the frame interface is to be returned. If an error is returned, this parameter must be set to NULL.

ppDoc
[out] Points to where the pointer to the document window interface is to be returned. NULL is returned through the ppDoc pointer if the document window is the same as the frame window. In this case, the object can only use ppFrame or border negotiation. If an error is returned, this parameter must be set to NULL.

lprcPosRect
[out] Points to the rectangle containing the position of the in-place object in the client coordinates of its parent window. If an error is returned, this parameter must be set to NULL.

lprcClipRect
[out] Points to the outer rectangle containing the in-place object's position rectangle (PosRect). This rectangle is relative to the client area of the object's parent window. If an error is returned, this parameter must be set to NULL.

lpFrameInfo
[out] Points to an OLEINPLACEFRAMEINFO structure the container is to fill in with appropriate data. If an error is returned, this parameter must be set to NULL.

Return Values
S_OK

The method completed successfully.

E_INVALIDARG

One or more arguments are invalid (for example, an invalid pointer or parameter).

E_UNEXPECTED

An unexpected error occurred.

Comments
The OLEINPLACEFRAMEINFO structure provides data needed by OLE to dispatch keystroke accelerators to a container frame while an object is active in place.

When an object is activated, it calls GetWindowContext from its container. The container returns the handle to its in-place accelerator table through the OLEINPLACEFRAMEINFO structure. Before calling GetWindowContext, the object must provide the size of the OLEINPLACEFRAMEINFO structure by filling in the cb member, pointed to by lpFrameInfo.

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