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Cotizacin de Computadora

Este programa emplea tres interfaces en un solo formulario con la propiedad

tabcontrol

La primera interfaz es la configuracin bsica

En esta interfaz se encuentra un para elegir el tipo de procesador que a

medida que usted selecciona un producto le dar el precio de cada uno lo

mismo con memoria y disco duro.

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La segunda interfaz es la de accesorios

En accesorios eligiera el tipo de modelo del disco o la velocidad de la unidad de

CD ROM para su computador y l le dar el precio por cada opcin que elija lo

mismo impresora y scanner.

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La tercera interfaz es la general

Donde mostrara el valor total de cada uno de las compras con un 18%

El cdigo del programa es:

PublicClass Form1

PublicSub llenar_listas() With ComboBox1.Items

.Add("pentium II 350 MHz")

.Add("Pentium III 400 Mhz")

.Add("Pentium III 500 MHz")

.Add("Pentium III 700 Mhz") EndWith With ListBox1.Items()

.Add("32 Mb")

.Add("64 Mb")

.Add("120 Mb")

EndWith

With ListBox2.Items().Add("10 Gb")

.Add("20 Gb")

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.Add("30 Gb")

EndWith

With ListBox3.Items().Add("Stylus Color 400")

.Add("Stylus Color 500")

.Add("Stylus Color 700")

EndWith

With ListBox4.Items().Add("Pequeo")

.Add("Mediano")

.Add("Grande")

EndWith

EndSub

PrivateSub Form1_Load(ByVal sender AsObject, ByVal e As

System.EventArgs) HandlesMe.Load

llenar_listas() EndSub

PrivateSub ComboBox1_SelectedIndexChanged(ByVal sender AsObject,

ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged SelectCase ComboBox1.SelectedIndex

Case 0

TextBox1.Text = "100"

Case 1TextBox1.Text = "150"

Case 2TextBox1.Text = "200"

Case 3

TextBox1.Text = "300"

EndSelect

EndSub

PrivateSub ListBox1_SelectedIndexChanged(ByVal sender AsObject,ByVal e As System.EventArgs) Handles ListBox1.SelectedIndexChanged

SelectCase ListBox1.SelectedIndex

Case 0

TextBox2.Text = "30" Case 1

TextBox2.Text = "50" Case 2

TextBox2.Text = "70"

EndSelect

EndSub

PrivateSub ListBox2_SelectedIndexChanged(ByVal sender AsObject,ByVal e As System.EventArgs) Handles ListBox2.SelectedIndexChanged

SelectCase ListBox2.SelectedIndex Case 0

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TextBox3.Text = "80"

Case 1

TextBox3.Text = "100"

Case 2TextBox3.Text = "120"

EndSelect EndSub

PrivateSub RadioButton1_Click(ByVal sender AsObject, ByVal e As

System.EventArgs) Handles RadioButton1.ClickTextBox4.Text = "150"

EndSub

PrivateSub RadioButton2_Click(ByVal sender AsObject, ByVal e AsSystem.EventArgs) Handles RadioButton2.Click

TextBox4.Text = "200"

EndSub

PrivateSub RadioButton3_Click(ByVal sender AsObject, ByVal e As

System.EventArgs) Handles RadioButton3.Click

TextBox5.Text = "15" EndSub

PrivateSub RadioButton4_Click(ByVal sender AsObject, ByVal e AsSystem.EventArgs) Handles RadioButton4.Click

TextBox5.Text = "30" EndSub

PrivateSub CheckBox1_Click(ByVal sender AsObject, ByVal e As

System.EventArgs) Handles CheckBox1.Click

GroupBox3.Enabled = CheckBox1.Checked

EndSub

PrivateSub RadioButton5_Click(ByVal sender AsObject, ByVal e AsSystem.EventArgs) Handles RadioButton5.Click

TextBox6.Text = "20"

EndSub

PrivateSub RadioButton6_Click(ByVal sender AsObject, ByVal e As

System.EventArgs) Handles RadioButton6.ClickTextBox6.Text = "40"

EndSub

PrivateSub RadioButton7_Click(ByVal sender AsObject, ByVal e As

System.EventArgs) Handles RadioButton7.Click

TextBox6.Text = "50" EndSub

PrivateSub CheckBox2_Click(ByVal sender AsObject, ByVal e As

System.EventArgs) Handles CheckBox2.Click

GroupBox4.Enabled = CheckBox2.Checked

EndSub

PrivateSub RadioButton8_Click(ByVal sender AsObject, ByVal e AsSystem.EventArgs) Handles RadioButton8.Click

TextBox7.Text = "40" EndSub

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PrivateSub RadioButton9_Click(ByVal sender AsObject, ByVal e As

System.EventArgs) Handles RadioButton9.Click

TextBox7.Text = "50" EndSub

PrivateSub RadioButton10_Click(ByVal sender AsObject, ByVal e As

System.EventArgs) Handles RadioButton10.ClickTextBox7.Text = "70"

EndSub

PrivateSub CheckBox3_Click(ByVal sender AsObject, ByVal e AsSystem.EventArgs) Handles CheckBox3.Click

ListBox3.Enabled = CheckBox3.Checked EndSub

PrivateSub ListBox3_SelectedIndexChanged(ByVal sender AsObject,

ByVal e As System.EventArgs) Handles ListBox3.SelectedIndexChanged SelectCase ListBox3.SelectedIndex

Case 0

TextBox8.Text = "100" Case 1

TextBox8.Text = "200"

Case 2TextBox8.Text = "300"

EndSelect EndSub

PrivateSub CheckBox4_Click(ByVal sender AsObject, ByVal e As

System.EventArgs) Handles CheckBox4.ClickListBox4.Enabled = CheckBox4.Checked

EndSub

PrivateSub ListBox4_SelectedIndexChanged(ByVal sender AsObject,

ByVal e As System.EventArgs) Handles ListBox4.SelectedIndexChanged

SelectCase ListBox4.SelectedIndex Case 0

TextBox9.Text = "100" Case 1

TextBox9.Text = "200" Case 2

TextBox9.Text = "400"

EndSelect

EndSub

PrivateSub Button1_Click(ByVal sender As System.Object, ByVal e AsSystem.EventArgs) Handles Button1.Click

Dim prepro, premen, predis, premom, pretec AsInteger

Dim preldi, prelcd, preimp, presca AsInteger

Dim totbas, totacc, totven, totlgv, totpag AsSingleprepro = TextBox1.Text()

premen = TextBox2.Text()predis = TextBox3.Text()

premom = TextBox4.Text()pretec = TextBox5.Text()

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