How to select multiple files with an OpenFileDialog?

I have a WinForms application with an OpenFileDialog in it and开发者_如何学Python I'd like to enable selection of multiple files when the user interacts with the dialog. How can I accomplish this?

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See the OpenFileDialog::Multiselect property, from the docs:

Gets or sets a value indicating whether the dialog box allows multiple files to be selected.

To get the list of files selected you should use the OpenFileDialog::FileNames property.

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adding the style OFN_ALLOWMULTISELECT will add this see this

If you want to select a folder you should use something else :)

If you are using c++ .net (you didn't state that). You can use the MultiSelect property MSDN

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Don't know what you did, but when I click File/Open in Visual Studio 2008, it is possible to multi-select all files or just a part of them by clicking on the first file in the list, holding the shift key and then clicking on the last file.

EDIT: ok, you edited the question, seems that I misunderstood you in the first place. Idan K's answer should be correct.

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C# code

private void button1_Click(object sender, EventArgs e)
{
     OpenFileDialog ofd = new OpenFileDialog();
     ofd.MultiSelect = true; //sets to multiple selects
     ofd.ShowDialog();
}