using System; using System.ComponentModel; using System.Windows.Controls; using System.Windows.Media; using System.Windows.Shapes; namespace Compdfkit_Tools.Common { public partial class CPDFArrowUI : UserControl, INotifyPropertyChanged { public event EventHandler ArrowChanged; public event PropertyChangedEventHandler PropertyChanged; private int _selectedIndex = 1; public int SelectedIndex { get { return _selectedIndex; } set { _selectedIndex = value; OnPropertyChanged(nameof(SelectedIndex)); OnArrowChanged(); } } public CPDFArrowUI() { InitializeComponent(); this.DataContext = this; } private void OnArrowChanged() { ArrowChanged?.Invoke(this, EventArgs.Empty); } protected void OnPropertyChanged(string propertyName) { PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName)); } public void RotateContent(double angle) { try { foreach (ComboBoxItem boxItem in ArrowBox.Items) { Path drawPath = boxItem.Content as Path; if (drawPath != null) { RotateTransform rotateTransform = new RotateTransform(angle); rotateTransform.CenterX = boxItem.ActualWidth / 2; rotateTransform.CenterY = boxItem.ActualHeight / 2; drawPath.LayoutTransform = rotateTransform; } } } catch(Exception ex) { } } } }