private void DragSource_DragEnter(object sender, Infragistics.DragDrop.DragDropCancelEventArgs e)
{
//set drag data
var xdt = e.DragSource as CardPanel;
var cpr = xdt.TryFindParent <DataRecordPresenter>();
var ep = cpr.DataRecord.DataItem as NeighborhoodWatch;
if (ep == null)
{
e.Cancel = true;
}
else
{
e.Data = ep;
}
//change allow or not
e.OperationType = OperationType.DropNotAllowed;
if (e.DropTarget is XamDataTreeNodeControl)
{
XamDataTreeNodeControl drca = e.DropTarget as XamDataTreeNodeControl;
var dtnode = drca.Node;
if (dtnode != null)
{
DirectoryNode dr = dtnode.Data as DirectoryNode;
if (dr.IsFolder)
{
e.OperationType = OperationType.Move;
}
}
}
}
private void DragSource_DragEnter(object sender, Infragistics.DragDrop.DragDropCancelEventArgs e)
{
//set drag data
var xdt = e.DragSource as Border;
var cpr = xdt.TryFindParent <Expander>();
var ep = cpr.DataContext as PolicyElementViewModel;
if (ep == null)
{
e.Cancel = true;
}
else
{
e.Data = ep;
}
//change allow or not
e.OperationType = OperationType.DropNotAllowed;
if (e.DropTarget is XamDataTreeNodeControl)
{
e.OperationType = OperationType.Move;
}
}