DOCERR: SHOW(2) Does Not Set Modal Form or Formset to Modeless

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Currently, there is no way to change a form or formset from a modal state to a modeless state. You must set the Form.WindowType property to 0 - Modeless at design time to create a modeless form. This property is read-only at runtime.

If a 1 is passed as a parameter to the Form.Show method, a modeless form can be set to a modal state. Once the form or formset has been changed, however, it cannot be reset back to a modeless state.