private void UserControl_DragEnter(object sender, DragEventArgs e)
{
try
{
if (_isDragging)
{
return;
}
if (e.Data.GetDataPresent("stackPanelDragItem"))
{
ViewForegroundControlHeader control = sender as ViewForegroundControlHeader;
if (control == null)
{
return;
}
else if (control.DataContext == null)
{
return;
}
ViewModelImagingLayerDragObject dragObject = (ViewModelImagingLayerDragObject)e.Data.GetData("stackPanelDragItem");
ViewModelImagingLayer model = control.DataContext as ViewModelImagingLayer;
if (dragObject.ViewModel != model)
{
control.SetCurrentValue(BackgroundProperty, new SolidColorBrush(Color.FromRgb(100, 100, 100)));
_isDragging = true;
}
}
}
catch { }
}
private void UserControl_DragLeave(object sender, DragEventArgs e)
{
try
{
if (_isDragging)
{
_isDragging = false;
ViewForegroundControlHeader control = sender as ViewForegroundControlHeader;
control.SetCurrentValue(BackgroundProperty, new SolidColorBrush(Color.FromArgb(0, 0, 0, 0)));
}
}
catch { }
}