OLE drop target for the desktop window. More...
#include <desktop.h>


Public Member Functions | |
| DesktopDropTarget (HWND hTargetWnd) | |
| virtual bool | OnDrop (FORMATETC *pFmtEtc, STGMEDIUM &medium, DWORD *pdwEffect) |
| virtual HRESULT STDMETHODCALLTYPE | DragOver (DWORD grfKeyState, POINTL pt, DWORD __RPC_FAR *pdwEffect) |
| virtual HRESULT STDMETHODCALLTYPE | DragLeave (void) |
OLE drop target for the desktop window.
Definition at line 95 of file desktop.h.
| DesktopDropTarget::DesktopDropTarget | ( | HWND | hTargetWnd ) | [inline] |
| virtual HRESULT STDMETHODCALLTYPE DesktopDropTarget::DragLeave | ( | void | ) | [inline, virtual] |
Reimplemented from IDropTargetImpl.
Definition at line 158 of file desktop.h.
References IDropTargetImpl::DragLeave().
{
//@@ TreeView_SelectDropTarget(m_hTargetWnd, NULL);
return super::DragLeave();
}

| virtual HRESULT STDMETHODCALLTYPE DesktopDropTarget::DragOver | ( | DWORD | grfKeyState, |
| POINTL | pt, | ||
| DWORD __RPC_FAR * | pdwEffect | ||
| ) | [inline, virtual] |
Reimplemented from IDropTargetImpl.
Definition at line 138 of file desktop.h.
References IDropTargetImpl::DragOver(), IDropTargetImpl::m_hTargetWnd, and ScreenToClient().
{
TVHITTESTINFO hit;
hit.pt = (POINT&)pt;
ScreenToClient(m_hTargetWnd, &hit.pt);
hit.flags = TVHT_ONITEM;
/*@@
HTREEITEM hItem = TreeView_HitTest(m_hTargetWnd,&hit);
if (hItem != NULL)
TreeView_SelectDropTarget(m_hTargetWnd, hItem);
*/
return super::DragOver(grfKeyState, pt, pdwEffect);
}

| virtual bool DesktopDropTarget::OnDrop | ( | FORMATETC * | pFmtEtc, |
| STGMEDIUM & | medium, | ||
| DWORD * | pdwEffect | ||
| ) | [inline, virtual] |
Implements IDropTargetImpl.
Definition at line 102 of file desktop.h.
{
if (pFmtEtc->cfFormat==CF_HDROP && medium.tymed==TYMED_HGLOBAL) {
HDROP hDrop = (HDROP)GlobalLock(medium.hGlobal);
if (hDrop) {
TCHAR szFileName[MAX_PATH];
UINT cFiles = DragQueryFile(hDrop, 0xFFFFFFFF, NULL, 0);
for(UINT i=0; i<cFiles; ++i) {
DragQueryFile(hDrop, i, szFileName, sizeof(szFileName));
if (DROPEFFECT_COPY & *pdwEffect) {
// copy the file or dir
///@todo Add the code to handle Copy
} else if (DROPEFFECT_MOVE & *pdwEffect) {
// move the file or dir
///@todo Add the code to handle Move
}
}
//DragFinish(hDrop); // base class calls ReleaseStgMedium
}
GlobalUnlock(medium.hGlobal);
}
//@@TreeView_SelectDropTarget(m_hTargetWnd, NULL);
return true; //let base free the medium
}
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