Handle context menu->refresh, and F5 to initiate a refresh of the file

dialog.

dlls/shell32/shlview.c

@@ -1506,6 +1506,13 @@ static LRESULT ShellView_OnNotify(IShellViewImpl * This, UINT CtlID, LPNMHDR lpn
 		/* free pidl array memory */
 		HeapFree(GetProcessHeap(), 0, pItems);
               }
+
+              /* Initiate a refresh */
+              else if(plvKeyDown->wVKey == VK_F5)
+              {
+		IShellView_Refresh((IShellView*)This);
+              }
+
               else
 		FIXME("LVN_KEYDOWN key=0x%08x\n",plvKeyDown->wVKey);
 	    }

dlls/shell32/shv_bg_cmenu.c

@@ -361,6 +361,10 @@ static HRESULT WINAPI ISVBgCm_fnInvokeCommand(
 	  {
 	    switch(LOWORD(lpcmi->lpVerb))
 	    {
+	      case FCIDM_SHVIEW_REFRESH:
+	        if (lpSV) IShellView_Refresh(lpSV);
+	        break;
+
 	      case FCIDM_SHVIEW_NEWFOLDER:
 	        DoNewFolder(iface, lpSV);
 		break;