Вікно вибору файлу

using Microsoft.Win32;

Зберегти

SaveFileDialog saveFileDialog = new SaveFileDialog();

saveFileDialog.Filter = "Text file (*.txt)|*.txt|C# file (*.cs)|*.cs";

if (saveFileDialog.ShowDialog() == true){

     File.WriteAllText(saveFileDialog.FileName, textBox.Text);

}

Відкрити

OpenFileDialog openFileDialog = new OpenFileDialog(); 

openFileDialog.Filter = "Image files (*.png;*.jpg)|*.png;*.jpg|All files (*.*)|*.*";

if(openFileDialog.ShowDialog() == true){

     textBox.Text = File.ReadAllText(openFileDialog.FileName);

}

saveFileDialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);

saveFileDialog.InitialDirectory = @"c:\temp\"

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