This property is used internally and is set automatically in the
VS.NET designer. If you manually use the help provider make sure you
manually set the property to the form reference.
public System.Windows.Forms.Form ParentForm
// Initialization this.oHelp = new Westwind.Windows.Controls.HelpBuilderHelpProvider(); // Required property settings this.oHelp.HelpNamespace = "webmonitor.chm"; this.oHelp.ParentForm = this; // this is required!