【C#】【WPF】【代码记录】打开文件夹选择、打开文件选择

【导图】：

实现效果：

选择文件夹

 打开图片文件选择：

打开图片选择：

private string openFileDialog()
{
    OpenFileDialog openFileDialog = new OpenFileDialog();
    openFileDialog.Filter = "图片|*.jpg;*.png;*.bmp";
    openFileDialog.DefaultExt = ".png";
    if (openFileDialog.ShowDialog() == true)
    {
        return openFileDialog.FileName;
    }
    return string.Empty;
}

打开文件夹选择：

1.下载NuGet包

2.

using Microsoft.WindowsAPICodePack.Dialogs;// 要using

private string openFolderDialog()
{
    var dlg = new CommonOpenFileDialog();
    dlg.IsFolderPicker = true;

    if (dlg.ShowDialog() == CommonFileDialogResult.Ok)
    {
        var folder = dlg.FileName;
        return folder;
    }
    return string.Empty;
}