void DragDrop(const char* szFile)
{
// CoUninitialize();
CoInitialize(NULL);
OleInitialize(NULL);
CIDropSource* pdsrc = new CIDropSource;
CIDataObject* pdobj = new CIDataObject(pdsrc);
FORMATETC fmtetc = {0};
fmtetc.cfFormat = CF_HDROP;
fmtetc.dwAspect = DVASPECT_CONTENT;
fmtetc.lindex = -1;
fmtetc.tymed = TYMED_HGLOBAL;
STGMEDIUM medium = {0};
DROPFILES* pdf = (DROPFILES*)GlobalAlloc(GMEM_FIXED, sizeof(DROPFILES) + 256);
memset(pdf, 0, 256);
pdf->pFiles = sizeof(DROPFILES);
pdf->fWide = 0;
pdf->pt.x = 0;
pdf->pt.y = 0;
pdf->fNC = 1;
strcpy(&((char*)pdf)[sizeof(DROPFILES)], szFile);
medium.tymed = TYMED_HGLOBAL;
medium.hGlobal = pdf;
// medium.hGlobal = (WCHAR*)GlobalAlloc(GMEM_FIXED, sizeof(WCHAR)*256);
// MultiByteToWideChar(CP_ACP, 0, "c:\\switchflip.log", -1, medium.lpszFileName, 256);
pdobj->SetData(&fmtetc,&medium,TRUE);
DWORD dwEffect = 0;
DWORD dwReturn = ::DoDragDrop(pdobj, pdsrc, DROPEFFECT_COPY, &dwEffect);
// Debug("dwEffect = %d dwReturn = %d", dwEffect, dwReturn);
}
void CTuotuoTabCtrl::DraggingItem(int iMouseX, int iMouseY)
{
m_bDraggingSource = true;
m_iDraggingItemIndex = m_pSelectedItem->GetIndex();
m_nDragToPos = m_pSelectedItem->GetIndex();
m_iBeginDragItemOffset = iMouseX - m_pSelectedItem->GetIndex() * m_iCurrentWidth - m_iScrollOffset;
CIDropSource* pdsrc = new CIDropSource();
pdsrc->AddRef();
CIDataObject* pdobj = new CIDataObject(pdsrc);
pdobj->AddRef();
HWND hTargetFrame = NULL;
FORMATETC fmtetc = { CF_TEXT, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
CStringA str = m_pSelectedItem->GetURLText();
STGMEDIUM medium = { TYMED_HGLOBAL };
int iLen = str.GetLength() + 1 + sizeof(DragGlobalData);
medium.hGlobal = ::GlobalAlloc(GMEM_MOVEABLE, iLen);
char *pMem = (char*)::GlobalLock(medium.hGlobal);
strcpy_s(pMem, iLen - 1, str);
DragGlobalData *pData = (DragGlobalData*)(pMem + iLen - sizeof(DragGlobalData));
pData->pDraggingItem = m_pSelectedItem;
pData->hDragToFrame = &hTargetFrame;
pData->dwProcessID = ::GetCurrentProcessId();
// CTabDraggingWindow::_()->SetParam(1);
::GlobalUnlock(medium.hGlobal);
pdobj->SetData(&fmtetc, &medium, TRUE);
float fPercent = (float)m_iBeginDragItemOffset / (float)m_iCurrentWidth;
// CTabDraggingWindow::_()->SetTabDragging(pData->pDraggingItem->GetText(), (HICON)pData->pDraggingItem->GetIcon(), pData->pDraggingItem->GetChildFrame()->FS()->MDI()->m_hWnd, pData->pDraggingItem->GetAxControl(), fPercent);
RECT rcClient;
GetClientRect(&rcClient);
if (iMouseY > rcClient.bottom || iMouseY < 0)
{
m_pDraggingItem = m_pSelectedItem;
DragItemOut();
}
bool bReturnFocusToCurrentPage = false;
DWORD dwEffect;
HRESULT hr = ::DoDragDrop(pdobj, pdsrc, DROPEFFECT_MOVE, &dwEffect);
// CTabDraggingWindow::_()->SetParam(0);
// CTabDraggingWindow::_()->StopTabDragging();
pdsrc->Release();
pdobj->Release();
m_bDraggingSource = false;
m_pDraggingItem = NULL;
if (hr == DRAGDROP_S_DROP)
{
if (hTargetFrame)
{
DragItemEnd_Source(hTargetFrame);
if (hTargetFrame == FS()->MainFrame()->m_hWnd)
bReturnFocusToCurrentPage = true; // 如果是在自己的框架里面拖动，则归还焦点
}
else
{
DragItemCancel();
}
}
else if (hr == DRAGDROP_S_CANCEL)
{
bReturnFocusToCurrentPage = true; // 如果是取消拖拽，则归还焦点到iewnd
DragItemCancel();
}
m_nDragToPos = -2;
}