IAxHostDelegate Struct Reference

Delegate interface for ActiveX host operations. More...

#include <SAxContainer.h>

Public Member Functions
virtual HWND	GetAxHostWindow () const =0
	Get the window handle of the ActiveX host.
virtual void	OnAxActivate (IUnknown *pCtrl)=0
	Notify the host that the ActiveX control is being activated.
virtual void	OnAxInvalidate (LPCRECT pRect, BOOL bErase)=0
	Notify the host that the ActiveX control needs to be invalidated.
virtual void	OnAxSetCapture (BOOL fCapture)=0
	Notify the host to set or release the mouse capture.
virtual HRESULT	OnAxGetDC (LPCRECT pRect, DWORD grfFlags, HDC *phDC)=0
	Get a device context for the ActiveX control.
virtual HRESULT	OnAxReleaseDC (HDC hdc)=0
	Release a previously obtained device context.

Detailed Description

Delegate interface for ActiveX host operations.

This interface defines methods that the ActiveX host must implement to provide necessary functionality for the ActiveX control.

Definition at line 24 of file SAxContainer.h.

Member Function Documentation

GetAxHostWindow()

virtual HWND IAxHostDelegate::GetAxHostWindow ( ) const

pure virtual

Get the window handle of the ActiveX host.

Returns

Window handle of the ActiveX host.

OnAxActivate()

virtual void IAxHostDelegate::OnAxActivate ( IUnknown * pCtrl )

pure virtual

Notify the host that the ActiveX control is being activated.

Parameters

pCtrl

Pointer to the ActiveX control.

OnAxGetDC()

virtual HRESULT IAxHostDelegate::OnAxGetDC ( LPCRECT pRect, DWORD grfFlags, HDC * phDC )

pure virtual

Get a device context for the ActiveX control.

Parameters

pRect	Rectangle for which the DC is needed.
grfFlags	Flags specifying the type of DC.
phDC	Pointer to receive the device context.

Returns

HRESULT indicating success or failure.

OnAxInvalidate()

virtual void IAxHostDelegate::OnAxInvalidate ( LPCRECT pRect, BOOL bErase )

pure virtual

Notify the host that the ActiveX control needs to be invalidated.

Parameters

pRect	Rectangle to be invalidated.
bErase	Boolean indicating if the background should be erased.

OnAxReleaseDC()

virtual HRESULT IAxHostDelegate::OnAxReleaseDC ( HDC hdc )

pure virtual

Release a previously obtained device context.

Parameters

hdc	Device context to be released.

Returns

HRESULT indicating success or failure.

OnAxSetCapture()

virtual void IAxHostDelegate::OnAxSetCapture ( BOOL fCapture )

pure virtual

Notify the host to set or release the mouse capture.

Parameters

fCapture

Boolean indicating if the capture should be set.

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The documentation for this struct was generated from the following file:

• SOUI/src/activex/SAxContainer.h