private void BindingTarget_KeyUp(object sender, KeyEventArgs e)
{
if (e.Key != Key.Enter)
{
return;
}
_timer.Stop();
_bindingExpression.UpdateSource();
}
private void UpdateSelectedSource(BindingExpressionBase be, string propName, bool selectAll = false)
{
be.UpdateSource();
if (selectAll)
{
switch (propName)
{
case "Left":
LeftEdit.SelectAll();
break;
case "Top":
TopEdit.SelectAll();
break;
case "Width":
WidthEdit.SelectAll();
break;
case "Height":
HeightEdit.SelectAll();
break;
}
}
_selfig.Parent.UpdateSelected();
}
private static void OnValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ComparisonValue comparisonValue = (ComparisonValue)d;
BindingExpressionBase bindingExpressionBase = BindingOperations.GetBindingExpressionBase(comparisonValue, BindingToTriggerProperty);
bindingExpressionBase?.UpdateSource();
}
private static void OnKeyDown(KeyEventArgs e, BindingExpressionBase binding)
{
if (e.Key.Equals(Key.Return))
{
binding.UpdateSource();
}
}
// Token: 0x060085B9 RID: 34233 RVA: 0x0024A67C File Offset: 0x0024887C
private void SourceDoDragDrop(ITextSelection selection, IDataObject dataObject)
{
DragDropEffects dragDropEffects = DragDropEffects.Copy;
if (!this._textEditor.IsReadOnly)
{
dragDropEffects |= DragDropEffects.Move;
}
DragDropEffects dragDropEffects2 = DragDropEffects.None;
try
{
dragDropEffects2 = DragDrop.DoDragDrop(this._textEditor.UiScope, dataObject, dragDropEffects);
}
catch (COMException ex) when(ex.HResult == -2147418113)
{
}
if (!this._textEditor.IsReadOnly && dragDropEffects2 == DragDropEffects.Move && this._dragSourceTextRange != null && !this._dragSourceTextRange.IsEmpty)
{
using (selection.DeclareChangeBlock())
{
this._dragSourceTextRange.Text = string.Empty;
}
}
this._dragSourceTextRange = null;
if (!this._textEditor.IsReadOnly)
{
BindingExpressionBase bindingExpressionBase = BindingOperations.GetBindingExpressionBase(this._textEditor.UiScope, TextBox.TextProperty);
if (bindingExpressionBase != null)
{
bindingExpressionBase.UpdateSource();
bindingExpressionBase.UpdateTarget();
}
}
}
private static void OnValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ManagedActivityContext context = (ManagedActivityContext)d;
BindingExpressionBase bindingExpressionBase = BindingOperations.GetBindingExpressionBase(context, BindingToTriggerProperty);
bindingExpressionBase?.UpdateSource();
}
protected virtual void EhTextChanged(object sender, EventArgs e)
{
_isInitialTextModified = true;
if (IsValidatingOnEveryTextChange)
{
_bindingExToValidatedText?.UpdateSource();
}
}
/// <summary>
/// Updates the source according to the specified property.
/// </summary>
/// <param name="o">The source.</param>
/// <param name="prop">The property.</param>
public static void UpdateSourceProperty(this DependencyObject o, DependencyProperty prop)
{
BindingExpressionBase exp = BindingOperations.GetBindingExpressionBase(o, prop);
if (exp != null)
{
exp.UpdateSource();
}
}
/// <summary>
/// DragEnd event handler from DragDrop behavior.
/// </summary>
private void SourceDoDragDrop(ITextSelection selection, IDataObject dataObject)
{
// Run OLE drag-drop process. It will eat all user input until the drop
DragDropEffects allowedDragDropEffects = DragDropEffects.Copy;
if (!_textEditor.IsReadOnly)
{
allowedDragDropEffects |= DragDropEffects.Move;
}
DragDropEffects resultingDragDropEffects = DragDrop.DoDragDrop( //
_textEditor.UiScope, // dragSource,
dataObject, //
allowedDragDropEffects);
// Remove source selection
if (!_textEditor.IsReadOnly && //
resultingDragDropEffects == DragDropEffects.Move && //
_dragSourceTextRange != null &&
!_dragSourceTextRange.IsEmpty)
{
// Normally we delete the source selection from OnDrop event,
// unless source and target TextBoxes are different.
// In this case the source selection is still not empty,
// which means that target was in a different TextBox.
// So we still need to delete the selected content in the source one.
// This will create an undo unit different from a dropping one,
// which is ok, because it will be in different TextBox's undo stack.
using (selection.DeclareChangeBlock())
{
// This is end of Move - we need to delete source content
_dragSourceTextRange.Text = String.Empty;
}
}
// Clean up the text range.
_dragSourceTextRange = null;
// Check the data binding expression and update the source and target if the drag source
// has the binding expression. Without this, data binding is broken after complete the
// drag-drop operation because Drop() paste the object then set the focus to the target.
// The losting focus invoke the data binding expression's Update(), but the source isn't
// updated yet before complete DoDragDrop.
if (!_textEditor.IsReadOnly)
{
BindingExpressionBase bindingExpression = BindingOperations.GetBindingExpressionBase(
_textEditor.UiScope, TextBox.TextProperty);
if (bindingExpression != null)
{
bindingExpression.UpdateSource();
bindingExpression.UpdateTarget();
}
}
}
/// <summary>
/// Updates the source according to the specified property.
/// </summary>
/// <param name="o">The source.</param>
/// <param name="prop">The property.</param>
public static void UpdateSourceProperty(this DependencyObject o, DependencyProperty prop)
{
ArgumentValidator.NotNull(o, "o");
ArgumentValidator.NotNull(prop, "prop");
BindingExpressionBase exp = BindingOperations.GetBindingExpressionBase(o, prop);
if (exp != null)
{
exp.UpdateSource();
}
}
public void EndEdit(bool confirm)
{
if (AdornedElement.IsEditing)
{
if (confirm)
{
mBinding.UpdateSource();
}
AdornedElement.IsEditing = false;
}
Visibility = Visibility.Collapsed;
}
public static void UpdateBindingSources(this DependencyObject dependencyObject)
{
foreach (DependencyObject element in dependencyObject.EnumerateVisualDescendents())
{
LocalValueEnumerator localValueEnumerator = element.GetLocalValueEnumerator();
while (localValueEnumerator.MoveNext())
{
BindingExpressionBase bindingExpression =
BindingOperations.GetBindingExpressionBase(element, localValueEnumerator.Current.Property);
bindingExpression?.UpdateSource();
}
}
}
protected override void OnKeyDown(KeyEventArgs e)
{
if (e.Key == Key.Return)
{
BindingExpressionBase expression = BindingOperations.GetBindingExpressionBase(this, EditTextBox.TextProperty);
if (expression != null)
{
expression.UpdateSource();
}
e.Handled = true;
}
base.OnKeyDown(e);
}
/// <summary>
/// Flushes all bindings for the specified <see cref="DependencyObject"/> and all of its descendents.
/// </summary>
/// <param name="dependencyObject">The dependency object.</param>
//public static void FlushBindings (this DependencyObject dependencyObject) ** Uncomment when we have C# 3.0 support **
public static void FlushBindings(DependencyObject dependencyObject)
{
//foreach (DependencyObject element in dependencyObject.EnumerateVisualDescendents ()) ** Uncomment when we have C# 3.0 support **
foreach (DependencyObject element in Extensions.EnumerateVisualDescendents(dependencyObject))
{
LocalValueEnumerator localValueEnumerator = element.GetLocalValueEnumerator();
while (localValueEnumerator.MoveNext())
{
BindingExpressionBase bindingExpression = BindingOperations.GetBindingExpressionBase(element, localValueEnumerator.Current.Property);
if (bindingExpression != null)
{
bindingExpression.UpdateSource();
bindingExpression.UpdateTarget();
}
}
}
}
/// <summary>
/// http://blogs.msdn.com/b/ryantrem/archive/2010/04/09/globally-updating-binding-sources-in-wpf.aspx
/// </summary>
private void UpdateActiveElementBindings()
{
if (Keyboard.FocusedElement != null &&
Keyboard.FocusedElement is DependencyObject)
{
DependencyObject element = (DependencyObject)Keyboard.FocusedElement;
LocalValueEnumerator localValueEnumerator = element.GetLocalValueEnumerator();
while (localValueEnumerator.MoveNext())
{
BindingExpressionBase bindingExpression = BindingOperations.GetBindingExpressionBase(element, localValueEnumerator.Current.Property);
if (bindingExpression != null)
{
bindingExpression.UpdateSource();
bindingExpression.UpdateTarget();
}
}
}
}
/// <summary>
/// DragEnd event handler from DragDrop behavior.
/// </summary>
private void SourceDoDragDrop(ITextSelection selection, IDataObject dataObject)
{
// Run OLE drag-drop process. It will eat all user input until the drop
DragDropEffects allowedDragDropEffects = DragDropEffects.Copy;
if (!_textEditor.IsReadOnly)
{
allowedDragDropEffects |= DragDropEffects.Move;
}
DragDropEffects resultingDragDropEffects = DragDropEffects.None;
try
{
resultingDragDropEffects = DragDrop.DoDragDrop( //
_textEditor.UiScope, // dragSource,
dataObject, //
allowedDragDropEffects);
}
// DDVSO 685894:
// Ole32's DoDragDrop can return E_UNEXCEPTED, which comes to us as a COMException,
// if something unexpected happened during the drag and drop operation,
// e.g. the application receiving the drop failed. In this case we should
// not fail, we should catch the exception and act as if the drop wasn't allowed.
catch (COMException ex) when(ex.HResult == NativeMethods.E_UNEXPECTED)
{
}
// Remove source selection
if (!_textEditor.IsReadOnly && //
resultingDragDropEffects == DragDropEffects.Move && //
_dragSourceTextRange != null &&
!_dragSourceTextRange.IsEmpty)
{
// Normally we delete the source selection from OnDrop event,
// unless source and target TextBoxes are different.
// In this case the source selection is still not empty,
// which means that target was in a different TextBox.
// So we still need to delete the selected content in the source one.
// This will create an undo unit different from a dropping one,
// which is ok, because it will be in different TextBox's undo stack.
using (selection.DeclareChangeBlock())
{
// This is end of Move - we need to delete source content
_dragSourceTextRange.Text = String.Empty;
}
}
// Clean up the text range.
_dragSourceTextRange = null;
// Check the data binding expression and update the source and target if the drag source
// has the binding expression. Without this, data binding is broken after complete the
// drag-drop operation because Drop() paste the object then set the focus to the target.
// The losting focus invoke the data binding expression's Update(), but the source isn't
// updated yet before complete DoDragDrop.
if (!_textEditor.IsReadOnly)
{
BindingExpressionBase bindingExpression = BindingOperations.GetBindingExpressionBase(
_textEditor.UiScope, TextBox.TextProperty);
if (bindingExpression != null)
{
bindingExpression.UpdateSource();
bindingExpression.UpdateTarget();
}
}
}
private void TimerTick(object sender, EventArgs e)
{
_timer.Stop();
_bindingExpression.UpdateSource();
}
private static void OnLostFocus(BindingExpressionBase binding)
{
binding.UpdateSource();
}
public static bool CheckAllValidationErrors(DependencyObject dependencyObject, DependencyProperty dependencyProperty)
{
bool isValid = true;
if (BindingOperations.IsDataBound(dependencyObject, dependencyProperty))
{
Binding binding = BindingOperations.GetBinding(dependencyObject, dependencyProperty);
MultiBinding multiBinding = null;
if (binding == null)
{
multiBinding = BindingOperations.GetMultiBinding(dependencyObject, dependencyProperty);
if (multiBinding == null)
{
return(true);
}
}
if (binding != null && binding.ValidationRules.Count > 0
||
multiBinding != null && multiBinding.ValidationRules.Count > 0)
{
BindingExpression bindingExpression = BindingOperations.GetBindingExpression(dependencyObject, dependencyProperty);
MultiBindingExpression multiBindingExpression = null;
if (bindingExpression == null)
{
multiBindingExpression = BindingOperations.GetMultiBindingExpression(dependencyObject, dependencyProperty);
if (multiBindingExpression == null)
{
return(true);
}
}
BindingExpressionBase expression = bindingExpression ?? (BindingExpressionBase)multiBindingExpression;
switch (binding != null ? binding.Mode : multiBinding.Mode)
{
case BindingMode.OneTime:
case BindingMode.OneWay:
expression.UpdateTarget();
break;
default:
expression.UpdateSource();
break;
}
if (expression.HasError)
{
isValid = false;
}
}
// Another method:
foreach (ValidationRule rule in (binding != null ? binding.ValidationRules : multiBinding.ValidationRules))
{
ValidationResult result = rule.Validate(dependencyObject.GetValue(dependencyProperty), null);
if (!result.IsValid)
{
BindingExpression bindingExpression = BindingOperations.GetBindingExpression(dependencyObject, dependencyProperty);
MultiBindingExpression multiBindingExpression = null;
if (bindingExpression == null)
{
multiBindingExpression = BindingOperations.GetMultiBindingExpression(dependencyObject, dependencyProperty);
if (multiBindingExpression == null)
{
continue;
}
}
BindingExpressionBase expression = bindingExpression ?? (BindingExpressionBase)multiBindingExpression;
System.Windows.Controls.Validation.MarkInvalid(expression, new ValidationError(rule, expression, result.ErrorContent, null));
isValid = false;
}
}
}
return(isValid);
}