void OnDragStarted(DragStartedMessage obj) { DraggingGatos = obj.Gatos; // Hide the button, show the drop target DropTarget.TranslateTo(0, 30); }
public void ExecuteDraggingCommand(MouseEventArgs _e) { if (IsDragging) { // // Raise the event to notify that dragging is in progress. // var curMousePoint = _e.GetPosition(ParentNetworkView.Visual); var offset = curMousePoint - LastMousePoint; if (offset.X != 0.0 || offset.Y != 0.0) { LastMousePoint = curMousePoint; Messenger.Default.Send(new DragMessage(this, offset.X, offset.Y)); } } else if (isLeftMouseDown && ParentNetworkView.EnableNodeDragging) { // // The user is left-dragging the node, // but don't initiate the drag operation until // the mouse cursor has moved more than the threshold distance. // var curMousePoint = _e.GetPosition(ParentNetworkView.Visual); var dragDelta = curMousePoint - lastMousePoint; var dragDistance = Math.Abs(dragDelta.Length); if (dragDistance > dragThreshold) { // // When the mouse has been dragged more than the threshold value commence dragging the node. // // // Raise an event to notify that that dragging has commenced. // var msg = new DragStartedMessage(this); Messenger.Default.Send(msg); if (msg.Cancel) { // // Handler of the event disallowed dragging of the node. // IsLeftMouseDown = false; IsLeftMouseAndControlDown = false; return; } IsDragging = true; Visual.CaptureMouse(); _e.Handled = true; } } }
private void DragStarted(DragStartedMessage _action) { IsDragging = true; Mouse.OverrideCursor = Cursors.Hand; }