C# wpf : 콤보 박스에 항목을 추가 할 수 없습니다.

Question

현재 프로세스 (창 제목)를 추가하려고하는 콤보 상자가 있습니다. 내 코드는 다음과 같습니다

private void Window_Loaded(object sender, RoutedEventArgs e) 
{ 
    List<ComboBoxItem> list = new List<ComboBoxItem>(); 
    ComboBoxItem item; 
    Process[] _processes = Process.GetProcesses(); 
    foreach (Process process in _processes) 
    { 
     item = new ComboBoxItem(); 
     item.Content = process.MainWindowTitle; 
     item.ToolTip = process.MainWindowTitle; 

     list.Add(item) 
    } 

    cbProcesses.ItemsSource = list; 
} 

그리고 XAML :

<ComboBox x:Name="cbProcesses" HorizontalAlignment="Left" Margin="101,40,0,0" VerticalAlignment="Top" Width="120" SelectionChanged="comboProcesses_Selected" IsSynchronizedWithCurrentItem="True" SelectedIndex="0"> 
      <ComboBox.ItemContainerStyle> 
       <Style TargetType="ComboBoxItem" BasedOn="{StaticResource {x:Type ComboBoxItem}}"> 
        <EventSetter Event="MouseEnter" Handler="cbProcesses_MouseEnter" /> 
       </Style> 
      </ComboBox.ItemContainerStyle> 
</ComboBox> 

cbProcesses.ItemsSource = list을 시도 할 때 그것은 충돌합니다. 내가 뭘 할 수 있니?

Answer 1

이 완벽 나를 위해 작동 :

<Window x:Class="WpfApplication1.MainWindow" 
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
     Title="MainWindow" Height="350" Width="525"> 
    <Grid> 
     <ComboBox x:Name="cbProcesses" HorizontalAlignment="Left" Margin="101,40,0,0" VerticalAlignment="Top" Width="120" IsSynchronizedWithCurrentItem="True" SelectedIndex="0"> 
      <ComboBox.ItemContainerStyle> 
       <Style TargetType="ComboBoxItem" BasedOn="{StaticResource {x:Type ComboBoxItem}}"> 
        <EventSetter Event="MouseEnter" Handler="cbProcesses_MouseEnter" /> 
       </Style> 
      </ComboBox.ItemContainerStyle> 
     </ComboBox> 
    </Grid> 
</Window> 

C 번호 : 난 그냥 추가

using System; 
using System.Collections.Generic; 
using System.Diagnostics; 
using System.Linq; 
using System.Text; 
using System.Windows; 
using System.Windows.Controls; 
using System.Windows.Data; 
using System.Windows.Documents; 
using System.Windows.Input; 
using System.Windows.Media; 
using System.Windows.Media.Imaging; 
using System.Windows.Navigation; 
using System.Windows.Shapes; 

namespace WpfApplication1 
{ 
    /// <summary> 
    /// Interaktionslogik für MainWindow.xaml 
    /// </summary> 
    public partial class MainWindow : Window 
    { 
     public MainWindow() 
     { 
      InitializeComponent(); 

      this.Loaded += MainWindow_Loaded; 
     } 

     void MainWindow_Loaded(object sender, RoutedEventArgs e) 
     { 
      List<ComboBoxItem> list = new List<ComboBoxItem>(); 
      ComboBoxItem item; 
      Process[] _processes = Process.GetProcesses(); 
      foreach (Process process in _processes) 
      { 
       if (!String.IsNullOrEmpty(process.MainWindowTitle)) 
       { 
        item = new ComboBoxItem(); 
        item.Content = process.MainWindowTitle; 
        item.ToolTip = process.MainWindowTitle; 

        list.Add(item); 
       } 
      } 

      cbProcesses.ItemsSource = list; 
     } 

     private void cbProcesses_MouseEnter(object sender, MouseEventArgs e) 
     { 

     } 
    } 
} 

: if (!String.IsNullOrEmpty(process.MainWindowTitle))