Densidad

densidad.txt
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03/05/2005 21:58
'-----------------------------------------------------------------------------'// Programa ..... Densidad
'// Autor ........ Jesús P.M. (zttSoft.com)
'// Fecha ........ 10/03/2005 * Mod 28/04/2005
'-----------------------------------------------------------------------------Option Explicit
Dim Variable As Byte
'-----------------------------------------------------------------------------Private Sub Form_Activate()
txtVariable(1).SetFocus
Variable = 0
txtVariable(0).Text = CDbl(txtVariable(0).Text)
txtVariable(1).Text = CDbl(txtVariable(1).Text)
txtVariable(2).Text = CDbl(txtVariable(2).Text)
End Sub
'-----------------------------------------------------------------------------Private Sub Form_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
Image1.Move 6015, 3120
Image2.Move 4680, 3120
Image3.Move 7380, 3120
End Sub
'-----------------------------------------------------------------------------Private Sub Image1_Click()
txtVariable(0).Text = 0
txtVariable(1).Text = 0
txtVariable(2).Text = 0
lblResultado.Caption = Format(0, "#,##0.00")
End Sub
'-----------------------------------------------------------------------------Private Sub Image1_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
Image1.Move 5965, 3070
End Sub
'-----------------------------------------------------------------------------Private Sub Image2_Click()
End
End Sub
'-----------------------------------------------------------------------------Private Sub Image2_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
Image2.Move 4630, 3070
End Sub
'-----------------------------------------------------------------------------Private Sub Image3_Click()
Dim Resultado As Double
On Error GoTo ControlError
If IsNumeric(txtVariable(0).Text) And IsNumeric(txtVariable(1).Text) And IsNumeric(tx
Select Case Variable
Case 0 'Densidad
Resultado = CDbl(txtVariable(1).Text) / CDbl(txtVariable(2).Text)
Case 1 'Masa
Resultado = txtVariable(0).Text * txtVariable(2).Text
Case 2 'Volumen
Resultado = txtVariable(1).Text / txtVariable(0).Text
End Select
lblResultado.Caption = Format(Resultado, "#,##0.00")
Else
MsgBox "LOS VALORES DEBEN SER NÚMEROS ", 16, "¡ERROR!"
End If
Exit Sub
ControlError:
MsgBox Err.Description, 16, "¡ERROR!"
Resume Next
End Sub
'-----------------------------------------------------------------------------Private Sub Image3_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
Image3.Move 7320, 3070
End Sub
'-----------------------------------------------------------------------------Private Sub optVariable_Click(Index As Integer)
Select Case Index
Case 0 'Densidad
txtVariable(0).Enabled = False
txtVariable(1).Enabled = True
txtVariable(2).Enabled = True
txtVariable(1).SetFocus
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03/05/2005 21:58
lblVarCalculada.Caption = "Densidad: D=M/V"
Case 1 'Masa
txtVariable(0).Enabled = True
txtVariable(1).Enabled = False
txtVariable(2).Enabled = True
txtVariable(0).SetFocus
lblVarCalculada.Caption = "Masa: M=D·V"
Case 2 'Volumen
txtVariable(0).Enabled = True
txtVariable(1).Enabled = True
txtVariable(2).Enabled = False
txtVariable(0).SetFocus
lblVarCalculada.Caption = "Volumen: V=M/D"
End Select
Variable = Index
End Sub
'-----------------------------------------------------------------------------Private Sub txtVariable_GotFocus(Index As Integer)
txtVariable(Index).SelStart = 0
txtVariable(Index).SelLength = Len(txtVariable(Index).Text)
End Sub
'-----------------------------------------------------------------------------Private Sub txtVariable_KeyPress(Index As Integer, KeyAscii As Integer)
If KeyAscii = 13 Then 'INTRO=13 o CTRL+INTRO=10
'KeyAscii = 0 ' QUITA EL BEEP DEL INTRO
SendKeys "{TAB}"
End If
If KeyAscii = 46 Then 'Coma=44 Punto=46
KeyAscii = 44 ' Cambiar a punto
End If
End Sub
'-----------------------------------------------------------------------------'---------------------- FIN ------------------------------------------
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