/// <summary>
/// Mouse wheel used
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DesignerScrollViewer_OnPreviewMouseWheel(object sender, MouseWheelEventArgs e)
{
if (Keyboard.Modifiers != 0)
{
TableViewControl viewControl = e.Source as TableViewControl;
if (viewControl != null)
{
try
{
var grid = viewControl.TableDataGrid;
var item = grid.SelectedItem;
var row = grid.ItemContainerGenerator.ContainerFromItem(item) as DataGridRow;
var cbox = VisualTreeHelperEx.FindDescendantByName(row, "DataTypeComboBox") as ComboBox;
if (cbox != null)
{
cbox.IsDropDownOpen = false;
}
}
catch (Exception exc)
{
Trace.WriteLine(exc.Message);
}
}
}
if ((Keyboard.Modifiers & ModifierKeys.Control) != 0)
{
double newScale = ViewModel.Scale;
if (e.Delta > 0)
{
newScale += 0.05;
}
else if (e.Delta < 0)
{
newScale -= 0.05;
}
ViewModel.ChangeZoomCommand.Execute(newScale.ToString("G"));
e.Handled = true;
}
else if ((Keyboard.Modifiers & ModifierKeys.Shift) != 0)
{
DesignerScrollViewer.ScrollToHorizontalOffset(DesignerScrollViewer.HorizontalOffset + e.Delta);
e.Handled = true;
}
}
public App()
{
InitializeComponent();
MainPage = new TableViewControl();
}