“WinForms abre múltiples formularios Muestra un icono en TaskAbr” Código de respuesta

WinForms abre múltiples formularios Muestra un icono en TaskAbr

Form newForm = //...
newForm.ShowInTaskbar = false; //this is what you are asking about

//bonus:
newForm.Owner = myMainForm;
//if this is done in the class of main form, will be:
//newForm.Owner = this;