Programación .NET

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NAVARRETE MONTENEGRO ER IK LEONEL

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Unión de Caracteres

Public Class Form2

Private Sub Button1_Click(ByVal sender AsSystem.Object, ByVal e As System.EventArgs) HandlesButton1.Click

Dim texto1, texto2 As Stringtexto1 = TextBox1.Texttexto2 = TextBox2.TextTextBox3.Text = texto1 + texto2

End Sub


Dim texto1, texto2 As Stringtexto1 = TextBox1.Texttexto2 = TextBox2.TextTextBox4.Text = texto1 & texto2

End SubEnd Class

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Manipular caracteres con MID

Diseño

Programación

Ejecución

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Diseño

Programación

Ejecución

Manipular caracteres con LEN

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Diseño

Programación

Ejecución

Manipular caracteres con LEFT

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Diseño

Programación

Ejecución

Manipular caracteres con RIGHT

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Diseño

Programación

Ejecución

Manipular caracteres con SPACE

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Diseño

Programación

Ejecución

Manipular caracteres con TRIM

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Programación Form 1

Enlazar Formularios

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Enlazar Formularios

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Convertir Caracteres


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Convertir Caracteres


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EDADES

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System IO

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Select Case Con LABEL

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Con MSGBOX

MsgBox

Select Case

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Usuario y Contraseña

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Usuario y Contraseña con Progress Bar

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Juego de Cartas

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Juego de Cartas

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Funciones Y Procedimientos

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ANIMACIÓN DE LETRASFunciones Y Procedimientos

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Propiedades de los objetos

Public Class Form1

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Me.BackColor = Color.CrimsonEnd Sub


Me.Text = "primer formulario"Me.ForeColor = Color.Blue

End Sub


EndEnd Sub

End Class

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Public Class Form2


Label1.Text = "mi segundo formulario"End Sub

Private Sub Button2_MouseMove(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) HandlesButton2.MouseMove

Me.BackColor = Color.GoldEnd Sub

Private Sub Button3_DoubleClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button3.DoubleClick

Me.BackColor = Color.CyanEnd Sub

End Class

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Public Class Form3


imagen1.Visible = True

End Sub


imagen1.Visible = False

End SubEnd Class

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Public Class Form4

Private Sub Timer1_Tick(ByVal sender AsSystem.Object, ByVal e As System.EventArgs) HandlesTimer1.Tick

TextBox1.Text = Date.NowTextBox2.Text = TimeOfDay

End Sub

End Class

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Public Class Form5

Private Sub cambiar_Click(ByVal sender AsSystem.Object, ByVal e As System.EventArgs) Handlescambiar.Click

nombre.Text = "Programación“

End SubEnd Class

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Public Class Form6


ListBox1.Items.Add(TextBox1.Text)TextBox1.Text = ""TextBox1.Focus()

End SubEnd Class

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Public Class Form7

Private Sub CheckBox1_CheckedChanged(ByVal senderAs System.Object, ByVal e As System.EventArgs) Handles CheckBox1.CheckedChanged

TextBox1.Text = "Programación"End Sub

Private Sub CheckBox2_CheckedChanged(ByVal senderAs System.Object, ByVal e As System.EventArgs) Handles CheckBox2.CheckedChanged

TextBox1.Text = "INFORMÁTICA"End Sub

End Class

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Public Class Form8

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

num3.Text = Val(num1.Text) + Val(num2.Text)End Sub


num1.Text = ""num2.Text = ""num3.Text = ""num1.Focus()

End Sub


num3.Text = Val(num1.Text) - Val(num2.Text)End Sub


num3.Text = Val(num1.Text) * Val(num2.Text)End Sub


num3.Text = Val(num1.Text) / Val(num2.Text)End Sub


Me.Close()End Sub

End Class

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Public Class Form9


num3.Text = Val(num1.Text) + Val(num2.Text)ListBox1.Items.Add(num3.Text)num3.Text = Val(num1.Text) - Val(num2.Text)ListBox1.Items.Add(num3.Text)num3.Text = Val(num1.Text) * Val(num2.Text)ListBox1.Items.Add(num3.Text)num3.Text = Val(num1.Text) / Val(num2.Text)ListBox1.Items.Add(num3.Text)

End Sub


num1.Text = ""num2.Text = ""num3.Text = ""num1.Focus()

End Sub


EndEnd Sub

End Class

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Utilizando un Módulo

Module Module1Public Contador As Integer = 0Public u, c, d As ObjectPublic Sub animacion()

If Contador = 3 ThenContador = 0

ElseContador = Contador + 1Select Case Contador

Case 1u.Visible = Truec.Visible = Falsed.Visible = False

Case 2u.Visible = Falsec.Visible = Trued.Visible = False

Case 3u.Visible = Falsec.Visible = Falsed.Visible = True

End SelectEnd If

End SubEnd Module

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Public Class Form1Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As

System.EventArgs) Handles MyBase.Loadu = Label1()c = Label2()d = Label3Timer1.Start()

End SubPrivate Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As

System.EventArgs) Handles Timer1.Tickanimacion()

End SubPrivate Sub Button1_Click(ByVal sender As System.Object, ByVal e As

System.EventArgs) Handles Button1.ClickIf TextBox1.Text = "Leo" And Val(TextBox2.Text) = 123 Then

Timer2.Start()Else

MsgBox("Usuario o contraseña incorrecto", MsgBoxStyle.Critical)

End IfEnd SubPrivate Sub Timer2_Tick(ByVal sender As System.Object, ByVal e As

System.EventArgs) Handles Timer2.TickProgressBar1.Increment(1)If ProgressBar1.Value = 100 Then

Me.Hide()Form2.Show()Timer2.Stop()

End IfEnd Sub

End Class

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Public Class Form2Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles

MyBase.Loadu = Label1()c = Label2()d = Label3Timer1.Start()

End Sub

Private Sub SalirToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e AsSystem.EventArgs) Handles SalirToolStripMenuItem.Click

EndEnd Sub

Private Sub CuadradoToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e AsSystem.EventArgs) Handles CuadradoToolStripMenuItem.Click

Me.Hide()Form3.Show()

End Sub

Private Sub RectánguloToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e AsSystem.EventArgs) Handles RectánguloToolStripMenuItem.Click


End Sub

Private Sub TriánguloToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e AsSystem.EventArgs) Handles TriánguloToolStripMenuItem.Click


End Sub

Private Sub Timer1_Tick_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick

animacion()End SubPrivate Sub PictureBox1_MouseMove(ByVal sender As Object, ByVal e As

System.Windows.Forms.MouseEventArgs) Handles PictureBox1.MouseMoveu = Label1()c = Label2()d = Label3()Timer1.Start()

End Sub

End Class

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Public Class Form3

Private Sub MenúPrincipalToolStripMenuItem_Click(ByVal sender AsSystem.Object, ByVal e As System.EventArgs) HandlesMenúPrincipalToolStripMenuItem.Click

Form2.Show()Me.Hide()

End Sub

Private Sub SalirToolStripMenuItem_Click(ByVal sender AsSystem.Object, ByVal e As System.EventArgs) HandlesSalirToolStripMenuItem.Click

EndEnd Sub

Private Sub Form3_Load(ByVal sender As System.Object, ByVal e AsSystem.EventArgs) Handles MyBase.Load

u = Label1()c = Label2()d = Label3Timer1.Start()

End Sub

Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e AsSystem.EventArgs) Handles Timer1.Tick

animacion()End Sub


Label7.Text = Val(TextBox1.Text) * 4Label8.Text = Val(TextBox1.Text) * Val(TextBox1.Text)

End SubEnd Class

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Public Class Form4



End Sub

Private Sub SalirToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SalirToolStripMenuItem.Click

EndEnd Sub



End Sub

Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e AsSystem.EventArgs)

animacion()End Sub


Label7.Text = Val(TextBox1.Text) * 2 + Val(TextBox2.Text) * 2Label8.Text = Val(TextBox1.Text) * Val(TextBox2.Text)

End SubEnd Class

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Public Class Form5



End Sub

Private Sub SalirToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SalirToolStripMenuItem.Click

EndEnd Sub



End Sub


Dim p, h As Double

Label7.Text = Val(TextBox1.Text) + Val(TextBox2.Text) + Val(TextBox3.Text)

p = (Val(Label7.Text) / 2)h = (p * (p - Val(TextBox1.Text)) * (p - Val(TextBox2.Text)) * (p -

Val(TextBox3.Text))) ^ (1 / 2)Label8.Text = (Val(TextBox1.Text) * h) / 2

End SubEnd Class

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Boolean

Public Class Form3


Dim A As IntegerDim RES As BooleanA = TextBox1.TextRES = Not (A + 10 < 20)MsgBox(RES)

End SubPrivate Sub Button2_Click(ByVal sender As

System.Object, ByVal e As System.EventArgs) HandlesButton2.Click

EndEnd Sub

End Class

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Aplicación 1

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Public Class Form1


N3.Text = Val(N1.Text) + Val(N2.Text)End Sub


N3.Text = Val(N1.Text) - Val(N2.Text)End Sub


N3.Text = Val(N1.Text) * Val(N2.Text)End Sub


N3.Text = Val(N1.Text) / Val(N2.Text)End Sub


N3.Text = Val(N1.Text) \ Val(N2.Text)End Sub


N3.Text = Val(N1.Text) ^ Val(N2.Text)End SubPrivate Sub Button7_Click(ByVal sender As System.Object, ByVal e As

System.EventArgs) Handles Button7.ClickN3.Text = Val(N1.Text) Mod Val(N2.Text)


System.EventArgs) Handles Button10.ClickN1.Text = ""N2.Text = ""N3.Text = ""N1.Focus()


System.EventArgs) Handles Button8.ClickMe.Close()


System.EventArgs) Handles Button9.ClickMe.Hide()Form2.show()

End SubEnd Class

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Public Class Form2

Private Sub salario_Click(ByVal sender As System.Object, ByVal e AsSystem.EventArgs) Handles salario.Click

Dim SB, HT, PPH, D, SN As DoubleHT = Val(HORAST.Text)PPH = Val(PAGOH.Text)SB = HT * PPHD = SB * 0.2SN = SB - DSALARION.Text = SN

End Sub


NOMBREA.Text = ""HORAST.Text = ""PAGOH.Text = ""SALARION.Text = ""

End Sub


Form1.Close()

End Sub



End SubEnd Class

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Public Class Form3

Private Sub salario_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles salario.Click

Dim C, V, VT, I, TC = Val(CANT.Text)V = Val(VUNI.Text)VT = C * VI = VT * 0.12T = VT + IListBox1.Items.Add(PROD.Text)VTOTAL.Text = VTIVA.Text = ITOTAL.Text = T

End Sub


ListBox1.Items.Clear()VTOTAL.Text = ""IVA.Text = ""TOTAL.Text = ""CANT.Text = ""VUNI.Text = ""PROD.Text = ""PROD.Focus()

End Sub


Form1.Close()End Sub


fORM4.SHOW()Me.Hide()

End SubEnd Class

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MouseMove

Public Class Form4

Private Sub PictureBox1_MouseMove(ByVal sender As Object, ByVal e AsSystem.Windows.Forms.MouseEventArgs) Handles PictureBox1.MouseMove

RESP.Text = "MONITOR"End SubPrivate Sub PictureBox2_MouseMove(ByVal sender As Object, ByVal e As

System.Windows.Forms.MouseEventArgs) Handles PictureBox2.MouseMoveRESP.Text = "TECLADO"

End SubPrivate Sub PictureBox3_Click(ByVal sender As System.Object, ByVal e As

System.EventArgs) Handles PictureBox3.ClickEnd SubPrivate Sub PictureBox3_MouseMove(ByVal sender As Object, ByVal e As

System.Windows.Forms.MouseEventArgs) Handles PictureBox3.MouseMoveRESP.Text = "RATÓN"

End SubPrivate Sub PictureBox4_MouseMove(ByVal sender As Object, ByVal e As

System.Windows.Forms.MouseEventArgs) Handles PictureBox4.MouseMoveRESP.Text = "CPU"


System.EventArgs) Handles Button10.ClickRESP.Text = ""


System.EventArgs) Handles Button8.ClickForm1.Close()


System.EventArgs) Handles Button9.ClickForm5.Show()Me.Hide()

End SubEnd Class

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Public Class Form5Private Sub Button1_Click(ByVal sender As System.Object, ByVal

e As System.EventArgs) Handles Button1.ClickTextBox1.ForeColor = Color.Red

End Sub

Private Sub Button2_Click(ByVal sender As System.Object, ByVale As System.EventArgs) Handles Button2.Click

Me.BackColor = Color.BlackEnd Sub


Me.BackColor = Color.WhiteTextBox1.ForeColor = Color.BlackTextBox1.Text = ""TextBox1.Focus()

End Sub


Form1.Close()End Sub



End SubEnd Class

Date post:	02-Apr-2016
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