Question

以下是我的代码...到此，我可以得到FolderBrowserDialog Box，但是一旦我从该对话框中选择了任何文件夹并单击“确定”。我没有在“浏览”按钮旁边的文本框中获得所选的FolderPath及其文件夹名称。请纠正我...

View.xaml：

            <Grid>....
                <TextBox Grid.Column="2" Height="25" IsReadOnly="True" 
                    TextAlignment="Right" VerticalContentAlignment="Center" HorizontalAlignment="Left" VerticalAlignment="Center"
                    Width="200"
                    Text="{Binding ElementName=Mygroups,Path=DataContext.FoldernameWithPath}" />
                <Button Grid.Column="4" Content="Browse" Height="25" VerticalAlignment="Bottom" Margin="0,20,0,20" MinWidth="51"
                    Command="{Binding ElementName=Mygroups,Path=DataContext.OpenFolderCommand}"
                    CommandParameter="{Binding}" />
</Grid>

Answer 1

   <TextBox Grid.Column="2" Height="25" IsReadOnly="True" 
                TextAlignment="Right" VerticalContentAlignment="Center" HorizontalAlignment="Left" VerticalAlignment="Center"
                Width="200"
                Text="{Binding ElementName=Mygroups,Path=DataContext.FoldernameWithPath,Mode=TwoWay}" />

文本porpert是默认的绑定模式。添加Mode = TwoWay。

Answer 2

尝试以下OnPropertyChanged函数：

        protected void OnPropertyChanged (string propertyName)
    {
        if (this.PropertyChanged != null)
        {
            this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
        }
    }

在处理FolderBrowserDialogBox时，如何将所选Folderpath及其Foldername绑定到文本框？

2 个答案: