droptarget.h

电驴的源代码

#pragma once

struct PASTEURLDATA;

//////////////////////////////////////////////////////////////////////////////
// CMainFrameDropTarget

class CMainFrameDropTarget : public COleDropTarget
{
public:
	CMainFrameDropTarget();

	virtual DROPEFFECT OnDragEnter(CWnd* pWnd, COleDataObject* pDataObject, DWORD dwKeyState, CPoint point);
	virtual DROPEFFECT OnDragOver(CWnd* pWnd, COleDataObject* pDataObject, DWORD dwKeyState, CPoint point);
	virtual BOOL OnDrop(CWnd* pWnd, COleDataObject* pDataObject, DROPEFFECT dropEffect, CPoint point);
	virtual void OnDragLeave(CWnd* pWnd);

protected:
	BOOL m_bDropDataValid;
	CLIPFORMAT m_cfHTML;
	CLIPFORMAT m_cfShellURL;

	bool IsSupportedDropData(COleDataObject* pDataObject);
	HRESULT PasteHTMLDocument(IHTMLDocument2* doc, PASTEURLDATA* pPaste);
	HRESULT PasteHTML(PASTEURLDATA* pPaste);
	HRESULT PasteHTML(COleDataObject &data);
	HRESULT PasteText(CLIPFORMAT cfData, COleDataObject& data);
	HRESULT PasteHDROP(COleDataObject &data);
	HRESULT AddUrlFileContents(LPCTSTR pszFileName);
};