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Steps:

1. Create a new dialog to setting the new fill type, see class CCustomFillDlg.

2. Add a new method to CCustomFillView for setting the fill type, as below:

void CCustomFillView::OnCustomFill() 
{
	// TODO: Add your command handler code here
	if(m_listSelectComp.GetCount()>=1)
	{
		CFODrawShape *pShape = (CFODrawShape *)GetCorrectSelectPropShape();
		
		CCustomFillDlg dlg;
		dlg.nCursorType = dlg.m_nBrushType = pShape->GetBrushType();
		if(dlg.DoModal() == IDOK)
		{
			if(dlg.bModify && dlg.nCursorType >= 0)
			{
				CFOMultiShapePropAction* pAction = GetCurrentModel()->GetShapesPropAction();
				
				if(dlg.nCursorType != dlg.m_nBrushType)
					pAction->AddShapesInt(m_listSelectComp,dlg.nCursorType,P_ID_BURSHTYPE);
				
				GetCurrentModel()->Do(pAction, TRUE);
				GetCurrentModel()->SetModifiedFlag();
			}
		}
	}
}

3. Create a new class CNewVisualProxy that use CFOPVisualProxy as base class.

4. Override the following method of CFOPVisualProxy:
// Fill with custom type.
// pDC -- pointer of the DC.
// rect -- position to fill.
// bTitle -- title or not.
// nType -- fill type.
// pRgn -- clip rgn.
virtual void FillCustomWithType(CDC *pDC, CRect rect,BOOL bTitle, UINT nType,CRgn *pRgn = NULL);

void CNewVisualProxy::FillCustomWithType(CDC *pDC, CRect rect,BOOL bTitle, UINT nType,CRgn *pRgn)
{
	bTitle;
	int nSaveDC1 = 0;
	if(!pDC->IsPrinting())
	{
		pDC->LPtoDP(&rect);
		nSaveDC1 = pDC->SaveDC();
		pDC->SetMapMode(MM_TEXT);
		pDC->SetWindowOrg(0,0);
		pDC->SetViewportOrg(0,0);
	}

	if(pRgn != NULL)
	{
		pDC->SelectClipRgn(pRgn);
	}

	if(nType >=0)
	{
		CString strFile;
		switch(nType)
		{
		case 1:
			{
				strFile = "\\image\\bitmap1.bmp";
			}
			break;

		case 2:
			{
				strFile = "\\image\\bitmap2.bmp";
			}
			break;

		case 3:
			{
				strFile = "\\image\\bitmap3.bmp";
			}
			break;

		case 4:
			{
				strFile = "\\image\\bitmap4.bmp";
			}
			break;
		}

		CString strPathX = AfxGetApp()->m_pszHelpFilePath;
		strPathX = strPathX.Left(strPathX.ReverseFind('\\'));
		CString strOtherFile;
		strOtherFile = strPathX+strFile;

		CFOBitmap aBitmap;
		aBitmap.Read(strOtherFile);

		CRect rcPos = rect;

		aBitmap.Stretch(pDC,
					rcPos.left,
					rcPos.top,
					rcPos.Width(),
					rcPos.Height(),
					0,0,                // top of source
					aBitmap.GetWidth(),   // height of source
					aBitmap.GetHeight(),  // width of source
					SRCCOPY);
	}

	if(pRgn != NULL)
	{
		pDC->SelectClipRgn( NULL );
	}

	if(!pDC->IsPrinting())
	{
		pDC->RestoreDC(nSaveDC1);
	}
}

5. Add new custom context menu:

CMenu* CCustomFillView::CreateContextMenu()
{
	// load the menu resource
	if (m_pContextMenu)
	{
		delete m_pContextMenu;
	}
	
	CMenu* pMenu;
	m_pContextMenu = new CMenu();
	m_pContextMenu->LoadMenu(IDR_NEW_MENU);
	
	if(m_listSelectComp.GetCount() == 1)
	{
		pMenu = m_pContextMenu->GetSubMenu(0);
		AddOleToMenu(pMenu->m_hMenu);
	}
	else
	{
		pMenu = m_pContextMenu->GetSubMenu(0);
	}
	
	ASSERT_VALID(pMenu);
	return pMenu;
}

6. Create new quick click icon:

void CCustomFillView::DoGenInitItems(CFODrawShape *pObjTemp)
{
	CFODrawView::DoGenInitItems(pObjTemp);
}

void CCustomFillView::DoWhenClickAddi()
{
	if(m_nCurHitAddiType == 1001)
	{
		OnCustomFill();
	}
	else
	{
		CFODrawView::DoWhenClickAddi();
	}
}