private void DropDownListElement_SelectedIndexChanging(
object sender,
PositionChangingCancelEventArgs e)
{
if (e.Cancel || e.Position < 0)
{
return;
}
RadDropDownListElement editorElement = (RadDropDownListElement)this.EditorElement;
if (this.IsInitalizing || !this.EditorElement.IsInValidState(true))
{
return;
}
object newValue = editorElement.Items[e.Position].Value;
object oldValue = (object)null;
if (editorElement.SelectedItem != null)
{
oldValue = editorElement.SelectedItem.Value;
}
ValueChangingEventArgs e1 = new ValueChangingEventArgs(newValue, oldValue);
this.OnValueChanging(e1);
e.Cancel = e1.Cancel;
this.cancelValueChanging = e1.Cancel;
}
public PopupEditorNotificationData(
PositionChangingCancelEventArgs positionChangingCancelEventArgs)
: this()
{
this.notificationContext = PopupEditorNotificationData.Context.SelectedIndexChanging;
this.positionChangingCancelEventArgs = positionChangingCancelEventArgs;
}
protected virtual bool OnCurrentPositionChanging(int newPosition)
{
if (this.CurrentPositionChanging != null)
{
PositionChangingCancelEventArgs args = new PositionChangingCancelEventArgs(newPosition);
this.CurrentPositionChanging(this, args);
return(args.Cancel);
}
return(false);
}
protected virtual bool OnCurrentPositionChanging(int newPosition)
{
if (this.CurrentPositionChanging == null)
{
return(false);
}
PositionChangingCancelEventArgs e = new PositionChangingCancelEventArgs(newPosition);
this.CurrentPositionChanging((object)this, e);
return(e.Cancel);
}
protected virtual bool OnSelectedIndexChanging(object sender, int newIndex)
{
Telerik.WinControls.UI.Data.PositionChangingEventHandler changingEventHandler = (Telerik.WinControls.UI.Data.PositionChangingEventHandler) this.Events[RadListControl.SelectedIndexChangingEventKey];
if (changingEventHandler == null)
{
return(false);
}
PositionChangingCancelEventArgs e = new PositionChangingCancelEventArgs(newIndex);
changingEventHandler((object)this, e);
return(e.Cancel);
}
protected virtual bool OnSelectedIndexChanging(object sender, int newIndex)
{
PositionChangingEventHandler handler = (PositionChangingEventHandler)this.Events[SelectedIndexChangingEventKey];
if (handler != null)
{
PositionChangingCancelEventArgs args = new PositionChangingCancelEventArgs(newIndex);
handler(this, args);
return(args.Cancel);
}
return(false);
}
public PopupEditorNotificationData()
{
this.notificationContext = PopupEditorNotificationData.Context.None;
this.valueChangedEventArgs = (Telerik.WinControls.UI.Data.ValueChangedEventArgs)null;
this.positionChangingCancelEventArgs = (PositionChangingCancelEventArgs)null;
this.positionChangedEventArgs = (Telerik.WinControls.UI.Data.PositionChangedEventArgs)null;
this.listItemDataBindingEventArgs = (ListItemDataBindingEventArgs)null;
this.listItemDataBoundEventArgs = (ListItemDataBoundEventArgs)null;
this.creatingVisualListItemEventArgs = (CreatingVisualListItemEventArgs)null;
this.keyPressEventArgs = (KeyPressEventArgs)null;
this.mouseEventArgs = (MouseEventArgs)null;
this.sortStyleChanged = (SortStyleChangedEventArgs)null;
this.visualItemFormatting = (VisualItemFormattingEventArgs)null;
this.keyEventArgs = (KeyEventArgs)null;
}
private void listElement_SelectedIndexChanging(object sender, PositionChangingCancelEventArgs e)
{
this.NotifyOwner(new PopupEditorNotificationData(e));
}
private void element_SelectedIndexChanging(object sender, PositionChangingCancelEventArgs e)
{
e.Cancel = this.OnSelectedIndexChanging(sender, e.Position);
}
