IImageViewer::PreEventHandlerCallback Class Reference

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#include <iimageviewer.h>

Inheritance diagram for IImageViewer::PreEventHandlerCallback:

List of all members.

Public Member Functions
virtual LRESULT	EventHandlerCB (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam, bool &propagate)=0
virtual BaseInterface *	GetInterface (Interface_ID id)

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Member Function Documentation

virtual LRESULT EventHandlerCB	(	HWND	hWnd,
		UINT	message,
		WPARAM	wParam,
		LPARAM	lParam,
		bool &	propagate
	)		[pure virtual]

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Remarks:

The EventHanderCB method of the PreEventHandlerCallback class allows you to intercept window events prior to them being passed through.

Parameters:

HWND hWnd

The handle of the image viewer window.

UINT message

The message identifier.

WPARAM wParam

The WPARAM value.

LPARAM lParam

The LPARAM value.

bool &propagate

TRUE if the message and event are to be propagated, otherwise FALSE.

virtual BaseInterface* GetInterface

(

Interface_ID

id

)

[inline, virtual]

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Remarks:

This method provides a way to extend the class with interfaces.

Parameters:

Interface_ID id

The interface ID.

Default Implementation:

{ return NULL; }

{ return NULL; }