如何弹出“选择应用程序”这个对话框

Question

就是当找不到合适的程序打开一个文件时，
会弹出  应用程序选择 对话框

Answer 1

OpenFileDialog ?OpenFileDialog openFileDialog=new OpenFileDialog();
openFileDialog.InitialDirectory="c:\\";//注意这里写路径时要用c:\\而不是c:\
openFileDialog.Filter="文本文件|*.*|C#文件|*.cs|所有文件|*.*";
openFileDialog.RestoreDirectory=true;
openFileDialog.FilterIndex=1;
if (openFileDialog.ShowDialog()==DialogResult.OK)
{
}

Answer 2

            ProcessStartInfo info = new ProcessStartInfo("e:\\projects\\test.nsi");
            info.UseShellExecute = true;
            Process.Start(info);

Answer 3

http://topic.csdn.net/u/20090710/21/e7d57fc8-bf89-4e1e-890f-ee6b76360f66.html