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Using IHTMLEditDesigner

, 24 Apr 2004
Using IHTMLEditDesigner to modify IE's editing behaviour
disabledrag_demo.zip
usr
src
DisableDrag
DisableDrag
Debug
res
DisableDrag.aps
Release
DisableDrag.exe
DisableDrag.ico
DisableDrag.manifest
DisableDragDoc.ico
Toolbar.bmp
DisableDrag.suo
disabledrag_src.zip
#pragma once

class CMSHTMLDisableDragDispatch : public IDispatch
{
public:
	virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void __RPC_FAR *__RPC_FAR *ppvObject);
	virtual ULONG	STDMETHODCALLTYPE AddRef(void);
	virtual ULONG	STDMETHODCALLTYPE Release(void);

	virtual HRESULT STDMETHODCALLTYPE GetTypeInfoCount(UINT *pctinfo);
	virtual HRESULT STDMETHODCALLTYPE GetTypeInfo(UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo);
	virtual HRESULT STDMETHODCALLTYPE GetIDsOfNames(REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId);
	virtual HRESULT STDMETHODCALLTYPE Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr);

private:
	UINT			m_uRefCount;
};

class CMSHTMLDisableDragHTMLEditDesigner : public IHTMLEditDesigner
{
public:
	virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void __RPC_FAR *__RPC_FAR *ppvObject);
	virtual ULONG	STDMETHODCALLTYPE AddRef(void);
	virtual ULONG	STDMETHODCALLTYPE Release(void);

	virtual HRESULT STDMETHODCALLTYPE PreHandleEvent(DISPID inEvtDispId, IHTMLEventObj *pIEventObj);
	virtual HRESULT STDMETHODCALLTYPE PostHandleEvent(DISPID inEvtDispId, IHTMLEventObj *pIEventObj);
	virtual HRESULT STDMETHODCALLTYPE TranslateAccelerator(DISPID inEvtDispId, IHTMLEventObj *pIEventObj);
	virtual HRESULT STDMETHODCALLTYPE PostEditorEventNotify(DISPID inEvtDispId, IHTMLEventObj *pIEventObj);

					CMSHTMLDisableDragHTMLEditDesigner();

	BOOL			Attach(IHTMLDocument2 *pDoc);
	void			Detach();

private:
	IHTMLEditServices *m_pServices;
	UINT			m_uRefCount;
	CMSHTMLDisableDragDispatch m_dp;
};

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About the Author

Rob Manderson

United States United States
I've been programming for 35 years - started in machine language on the National Semiconductor SC/MP chip, moved via the 8080 to the Z80 - graduated through HP Rocky Mountain Basic and HPL - then to C and C++ and now C#.
 
I used (30 or so years ago when I worked for Hewlett Packard) to repair HP Oscilloscopes and Spectrum Analysers - for a while there I was the one repairing DC to daylight SpecAns in the Asia Pacific area.
 
Afterward I was the fourth team member added to the Australia Post EPOS project at Unisys Australia. We grew to become an A$400 million project. I wrote a few device drivers for the project under Microsoft OS/2 v 1.3 - did hardware qualification and was part of the rollout team dealing directly with the customer.
 
Born and bred in Melbourne Australia, now living in Scottsdale Arizona USA, became a US Citizen on September 29th, 2006.
 
I work for a medical insurance broker, learning how to create ASP.NET websites in VB.Net and C#. It's all good.
 
Oh, I'm also a Kentucky Colonel. http://www.kycolonels.org

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