Winform选择目录路径与选择文件路径

1. private void btnSelectPath_Click(object sender, EventArgs e) //弹出一个选择目录的对话框
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   {
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   FolderBrowserDialog path = new FolderBrowserDialog();
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   path.ShowDialog();
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   this.txtPath.Text = path.SelectedPath;
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   }
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   private void btnSelectFile_Click(object sender, EventArgs e) //弹出一个选择文件的对话框
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   {
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   OpenFileDialog file = new OpenFileDialog();
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    file.ShowDialog();
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    this.txtFile.Text = file.SafeFileName;
12.