private void OnActualWidthPropertyChanged(object sender, EventArgs e)
{
try
{
ColumnActualWidthProperty?.Invoke(this, new DataGridColumnEventArgs((DataGridColumn)sender));
}
catch (Exception ex)
{
MessageBox.Show(ExceptionFormater.AppendMethod(ex, MethodBase.GetCurrentMethod()));
}
}
private void _window_Closed(object sender, EventArgs e)
{
try
{
this.Dispose();
}
catch (Exception ex)
{
MessageBox.Show(ExceptionFormater.AppendMethod(ex, MethodBase.GetCurrentMethod()));
}
}
/// <summary>
/// Kopiuje zaznaczoną zawartość do schowka.
/// </summary>
public void CopySelectedContentToClipboard()
{
try
{
ExecutedRoutedEventArgs args = (ExecutedRoutedEventArgs)CONSTRUCTORINFO_EXECUTEDROUTEDEVENTARGS.Invoke(new object[] { ApplicationCommands.Copy, null });
args.RoutedEvent = DataObject.CopyingEvent;
args.Source = this;
OnExecutedCopyInternal(args);
}
catch (Exception ex)
{
MessageBox.Show(ExceptionFormater.AppendMethod(ex, MethodBase.GetCurrentMethod()));
}
}
private void DataGrid_Loaded(object sender, RoutedEventArgs e)
{
try
{
if (this.Parent != null)
{
if (_window == null)
{
_window = Window.GetWindow(this);
if (_window != null && !this.DesignMode)
{
_window.Closed += _window_Closed;
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ExceptionFormater.AppendMethod(ex, MethodBase.GetCurrentMethod()));
}
}
private void Columns_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
try
{
if (e.Action == NotifyCollectionChangedAction.Add)
{
foreach (var column in e.NewItems)
{
_propertyDescriptorActualWidth.AddValueChanged(column, OnActualWidthPropertyChanged);
}
}
else if (e.Action == NotifyCollectionChangedAction.Remove)
{
foreach (var column in e.OldItems)
{
_propertyDescriptorActualWidth.RemoveValueChanged(column, OnActualWidthPropertyChanged);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ExceptionFormater.AppendMethod(ex, MethodBase.GetCurrentMethod()));
}
}
/// <summary>
/// Usuwa element.
/// </summary>
/// <param name="control">Element do usunięcia.</param>
/// <param name="refreshParent">Określa czy odświeżyć rodzica kontrolki.</param>
/// <returns>True, jeśli element został usunięty, w przeciwnym razie false.</returns>
public static bool Remove(this FrameworkElement control, bool refreshParent)
{
bool removed = false;
if (control.Parent == null)
{
return(removed);
}
Type parentType = control.Parent.GetType();
dynamic parent = control.Parent;
if (parentType.GetProperty("Children") != null)
{
parent.Children.Remove(control);
removed = true;
}
else if (parentType.GetProperty("Child") != null)
{
parent.Child = null;
removed = true;
}
else if (parentType.GetProperty("Content") != null)
{
parent.Content = null;
removed = true;
}
else if (parentType.GetProperty("Items") != null)
{
if (parent.Items.Contains(control))
{
parent.Items.Remove(control);
removed = true;
}
}
else if (parentType.FullName == "System.Windows.Controls.ToolBarTray")
{
var c = parent as FrameworkElement;
if (c != null)
{
return(c.Remove(refreshParent));
}
}
if (removed)
{
if (refreshParent)
{
if (removed && parentType.GetMethod("InvalidateMeasure") != null && parent != null)
{
// Odświeżamy rodzica.
parent.InvalidateMeasure();
}
}
}
else
{
if (DebugEx.IsDebug)
{
MessageBox.Show(ExceptionFormater.AppendMethod(new Exception("Nie znaleziono elementu."), MethodBase.GetCurrentMethod()),
System.Windows.Forms.Application.CompanyName);
}
}
return(removed);
}
/// <summary>
/// Metoda sprzątająca. Zwalnia zasoby zarządzane.
/// </summary>
private void Cleaner()
{
try
{
//BindingOperations.ClearAllBindings(this);
if (_window != null)
{
_window.Closed -= _window_Closed;
}
_window = null;
Loaded -= DataGrid_Loaded;
Columns.CollectionChanged -= Columns_CollectionChanged;
if (_scrollViewer != null)
{
_scrollViewer = null;
}
foreach (DataGridColumn column in Columns)
{
_propertyDescriptorActualWidth.RemoveValueChanged(column, OnActualWidthPropertyChanged);
}
//if (this.Items != null)
//{
// BindingExpressionBase beb = BindingOperations.GetBindingExpressionBase(this, ItemsSourceProperty);
// if (beb == null)
// {
// // ItemsSource nie jest powiązany z danymi.
// UserControlBase.ItemsDispose(this.Items);
// bool isUsingItemsSource = PropertyInfoEx.GetValue<bool>(this.Items, "IsUsingItemsSource");
// if (!isUsingItemsSource)
// {
// // 'this.ItemsSource' trzeba wyczyścić przed 'this.Items.Clear()', ponieważ zgłoszony zostanie wyjątek.
// this.ItemsSource = null;
// this.Items.Clear();
// }
// }
// this.ItemsSource = null;
// this.Items.DetachFromSourceCollection();
//}
//this.ItemsSource = null;
this.ColumnHeaderStyle = null;
this.RowHeaderStyle = null;
this.RowStyle = null;
this.CellStyle = null;
this.Template = null;
this.Style = null;
if (!string.IsNullOrEmpty(this.Name) && this.FindName(this.Name) != null)
{
this.UnregisterName(this.Name);
}
//this.Remove(false);
}
catch (Exception ex)
{
MessageBox.Show(ExceptionFormater.AppendMethod(ex, MethodBase.GetCurrentMethod()));
}
}
