WPF & C# - List<string> 중복제거 ( Distinct() / string.Join )

WPF & C# - List<string> 중복제거 ( Distinct() / string.Join )

testDistinct.zip

MainWindow.xaml.cs

<StackPanel Margin="10">
    <TextBlock Text="List&lt;string&gt; 중복제거 Distinct()" FontWeight="Bold" FontSize="20" Margin="5"></TextBlock>
    <StackPanel Orientation="Horizontal" Margin="5">
        <Button x:Name="btn" Height="50" Width="100" Content=" 난수발생 " Click="btn_Click"/>
        <Label x:Name="lbl01" />
    </StackPanel>
 
    <StackPanel Orientation="Horizontal" Margin="5">
        <Button x:Name="btn01" Height="50" Width="100" Content=" 정렬 " Click="btn01_Click"/>
        <Label x:Name="lbl02"/>
    </StackPanel>
 
    <StackPanel Orientation="Horizontal" Margin="5">
        <Button x:Name="btn02" Height="50" Width="100" Content=" 중복제거 " Click="btn02_Click"/>
        <Label x:Name="lbl03"/>
    </StackPanel>
</StackPanel>

MainWindow.xaml.cs

List<string> lst = null;
void AddData()
{
    lst = new List<string>();
    Random rand = new Random();
    int result = 0;
    for (int i = 0; i < 15; i++ )
    {
        result = rand.Next(1, 10);   // 1에서 50까지 사이 랜덤 숫자 발생
        lst.Add(result.ToString());
    }
}
 
// 난수발생
private void btn_Click(object sender, RoutedEventArgs e)
{
    AddData();
    lbl01.Content = string.Join(", ", lst);
}
 
// 정렬
private void btn01_Click(object sender, RoutedEventArgs e)
{
    lst.Sort();
    lbl02.Content = string.Join(", ", lst);
}
 
// 중복제거
private void btn02_Click(object sender, RoutedEventArgs e)
{
    IEnumerable<string> Data = lst.Distinct();
    foreach (string str in Data)
    {
        lbl03.Content = string.Join(", ", Data);
    }
}