using System;using System.Drawing;using System.ComponentModel;using System.Windows.Forms;...
// Display a message box. The Help button opens the Mspaint.chm Help file,
// and the "mspaint.chm::/paint_brush.htm" Help keyword shows the
// associated topic.
DialogResult r7 = MessageBox.Show ("Message with Help file and keyword.",
"Help Caption", MessageBoxButtons.OK,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button1, 0,
"mspaint.chm",
"mspaint.chm::/paint_brush.htm");
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