Pocet_Prac_Hod
End Sub
Private Sub TextBox3_Change()
Pocet_Prac_Hod
End Sub
Sub Pocet_Prac_Hod()
Dim Vysledok As String
On Error Resume Next
Vysledok = TextBox2.Text * TextBox3.Text
TextBox4.Text = Vysledok
TextBox4.BackColor = IIf(Err.Number = 0, vbWhite, rgbOrange)
End Subcitovat