/// <summary>
/// Calls <code>dropActionChanged</code> on the registered
/// <code>DropTargetListener</code> and passes it
/// the specified <code>DropTargetDragEvent</code>.
/// Has no effect if this <code>DropTarget</code>
/// is not active.
/// </summary>
/// <param name="dtde"> the <code>DropTargetDragEvent</code>
/// </param>
/// <exception cref="NullPointerException"> if this <code>DropTarget</code>
/// is active and <code>dtde</code> is <code>null</code>
/// </exception>
/// <seealso cref= #isActive </seealso>
public virtual void DropActionChanged(DropTargetDragEvent dtde)
{
lock (this)
{
if (!Active_Renamed)
{
return;
}
if (DtListener != null)
{
DtListener.DropActionChanged(dtde);
}
UpdateAutoscroll(dtde.Location);
}
}
/// <summary>
/// Calls <code>dragEnter</code> on the registered
/// <code>DropTargetListener</code> and passes it
/// the specified <code>DropTargetDragEvent</code>.
/// Has no effect if this <code>DropTarget</code>
/// is not active.
/// </summary>
/// <param name="dtde"> the <code>DropTargetDragEvent</code>
/// </param>
/// <exception cref="NullPointerException"> if this <code>DropTarget</code>
/// is active and <code>dtde</code> is <code>null</code>
/// </exception>
/// <seealso cref= #isActive </seealso>
public virtual void DragEnter(DropTargetDragEvent dtde)
{
lock (this)
{
IsDraggingInside = true;
if (!Active_Renamed)
{
return;
}
if (DtListener != null)
{
DtListener.DragEnter(dtde);
}
else
{
dtde.DropTargetContext.TargetActions = DnDConstants.ACTION_NONE;
}
InitializeAutoscrolling(dtde.Location);
}
}
/// <summary>
/// The <code>DropTarget</code> intercepts
/// dropActionChanged() notifications before the
/// registered <code>DropTargetListener</code> gets them.
/// </summary>
public void dropActionChanged(DropTargetDragEvent @dtde)
{
}
/// <summary>
/// The <code>DropTarget</code>
/// intercepts dragOver() notifications before the
/// registered <code>DropTargetListener</code> gets them.
/// </summary>
public void dragOver(DropTargetDragEvent @dtde)
{
}
/// <summary>
/// The <code>DropTarget</code> intercepts
/// dropActionChanged() notifications before the
/// registered <code>DropTargetListener</code> gets them.
/// </summary>
public void dropActionChanged(DropTargetDragEvent @dtde)
{
}
/// <summary>
/// The <code>DropTarget</code>
/// intercepts dragOver() notifications before the
/// registered <code>DropTargetListener</code> gets them.
/// </summary>
public void dragOver(DropTargetDragEvent @dtde)
{
}