protected virtual void OnDragStart(DragStartEventArgs e)
{
if (DragStart != null)
{
DragStart(this, e);
}
}
private void Sample_MouseDown(object sender, MouseEventArgs e)
{
SampleVM vm = DataContext as SampleVM;
if (vm != null)
{
if (e.RightButton == MouseButtonState.Pressed)
{
if (vm.EditingRequested != null)
{
vm.EditingRequested.Execute(vm);
}
}
else if (e.LeftButton == MouseButtonState.Pressed)
{
if (vm.DragStarted != null)
{
DragStartEventArgs dsea = new DragStartEventArgs();
dsea.FrameworkElement = sender as FrameworkElement;
dsea.GetEventPoint = (elem => e.GetPosition(elem));
vm.DragStarted.Execute(dsea);
}
}
}
e.Handled = true;
}
protected override void OnDragStart(DragStartEventArgs <TabControl, Tab> e)
{
Point tabLocation = e.DragParent.PointToScreen(e.DragParent._painter.GetTabPath(e.DragItemIndex).Bounds.Location);
int draggingOffset = e.DragStartPosition.X - tabLocation.X;
e.DragItem.Dragging = true;
e.DragItem.DraggingOffset = draggingOffset;
e.DragItem.DraggingX = 0;
}
private void HandleTabControlDragStart(object sender, DragStartEventArgs e)
{
var selectedTab = _tabControl.SelectedTab;
if (selectedTab != null)
{
if (IsMemoTabPage(selectedTab))
{
var pageContent = (PageContent)selectedTab.Tag;
var memoInfo = pageContent.MemoInfo;
e.DragDataObjects = new[] {
new[] { memoInfo },
};
e.AllowedEffect = DragDropEffects.Move | DragDropEffects.Copy | DragDropEffects.Link;
}
}
}
private void Sample_TouchDown(object sender, TouchEventArgs e)
{
System.Diagnostics.Trace.WriteLine("label touched");
SampleVM vm = DataContext as SampleVM;
if (vm != null)
{
if (vm.DragStarted != null)
{
DragStartEventArgs dsea = new DragStartEventArgs();
dsea.FrameworkElement = sender as FrameworkElement;
dsea.GetEventPoint = (elem => e.GetTouchPoint(elem).Position);
vm.DragStarted.Execute(dsea);
e.Handled = true;
}
}
}
void treeview_DragStart(object sender, DragStartEventArgs e)
{
e.CancelDrag = !AllowDragging;
}
void PlaceVisual_DragStart(object sender, DragStartEventArgs e)
{
//draggingStartRelativePosition = RelativePosition;
draggingStartPosition = Position;
}