Hola arthurmax, yo lo hago así:
Código Delphi
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PgBienvenida : TPgBienvenida;
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(WebApplication.ActiveForm as TIWAppForm).Release; PgBienvenida := TPgBienvenida.Create(WebApplication);
PgBienvenida.Show;
(WebApplication.ActiveForm as TIWAppForm).Release;
TPgBienvenida.Create(WebApplication).Show;
Saluditos