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fix dropdown scroll fokus

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Meik
2026-02-09 19:55:29 +01:00
parent 820a6ad3f3
commit ca584d3929
6 changed files with 127 additions and 56 deletions
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62
FasdDesktopUi/Basics/UserControls/ComboBoxPageable.xaml.cs
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@@ -1,6 +1,7 @@
using C4IT.FASD.Base;
using C4IT.MultiLanguage;
using FasdDesktopUi.Basics.Models;
using C4IT.MultiLanguage;
using FasdDesktopUi.Basics.Helper;
using FasdDesktopUi.Basics.Models;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
@@ -124,12 +125,25 @@ namespace FasdDesktopUi.Basics.UserControls
}
public static readonly DependencyProperty SearchDataChangedProperty =
DependencyProperty.Register("SearchDataChanged", typeof(EventHandler<cF4sdHealthSelectionDataRequest>), typeof(ComboBoxPageable), new PropertyMetadata(null));
#endregion
#region ItemData
public static readonly DependencyProperty SearchDataChangedProperty =
DependencyProperty.Register("SearchDataChanged", typeof(EventHandler<cF4sdHealthSelectionDataRequest>), typeof(ComboBoxPageable), new PropertyMetadata(null));
#endregion
#region RestoreParentScrollFocusOnDropDownClose
public bool RestoreParentScrollFocusOnDropDownClose
{
get { return (bool)GetValue(RestoreParentScrollFocusOnDropDownCloseProperty); }
set { SetValue(RestoreParentScrollFocusOnDropDownCloseProperty, value); }
}
public static readonly DependencyProperty RestoreParentScrollFocusOnDropDownCloseProperty =
DependencyProperty.Register("RestoreParentScrollFocusOnDropDownClose", typeof(bool), typeof(ComboBoxPageable), new PropertyMetadata(false));
#endregion
#region ItemData
public ObservableCollection<KeyValuePair<string, object>> ItemData
{
@@ -302,11 +316,33 @@ namespace FasdDesktopUi.Basics.UserControls
}
}
private void ComboBoxControl_DropDownClosed(object sender, EventArgs e)
{
timer.Stop();
cFocusInvoker.InvokeLostFocus(this, e);
}
private void ComboBoxControl_DropDownClosed(object sender, EventArgs e)
{
timer.Stop();
cFocusInvoker.InvokeLostFocus(this, e);
if (RestoreParentScrollFocusOnDropDownClose)
{
_ = Dispatcher.BeginInvoke((Action)(() =>
{
try
{
var parentScrollViewer = cUiElementHelper.GetFirstParentOfType<ScrollViewer>(this);
Keyboard.ClearFocus();
if (parentScrollViewer != null)
{
parentScrollViewer.Focus();
Keyboard.Focus(parentScrollViewer);
}
}
catch (Exception exception)
{
LogException(exception);
}
}), System.Windows.Threading.DispatcherPriority.Input);
}
}
private void ComboBoxControl_DropDownOpened(object sender, EventArgs e)
{