Manual De Gambas

EJERCICIOS “GAMBAS”
(BAJO CONSOLA)

EJERCICIO 1
“HOLA MUNDO”
PUBLIC SUB Main()
PRINT "HOLA MUNDOn"
PRINT "HOLA MUNDO"
END

EJERCICIO 2
“SUMA”
`Mi primera suma
PUBLIC SUB Main()
DIM A AS Integer
DIM B AS Integer
DIM S AS Integer
A = 10
B = 20
S=A+B
PRINT "LA SUMA ES...:"
PRINT S
END

EJERCICIO 3
“MAYOR DE 3”
‘entre 3 números averiguar cuál es el mayor
‘el menor y el intermedio.

PUBLIC SUB Main()

DIM A, B, C AS Integer
A= 6
B = 10
C = 80

IF A > B AND A > C THEN
PRINT "MAYOR ES..: " & A
IF C > B THEN
PRINT "INTERMEDIO ES..: " & C
PRINT "MENOR ES..: " & B
ELSE
PRINT "INTERMEDIO ES..: " & B
PRINT "MENOR ES..: " & C
ENDIF

ELSE
IF B > C THEN
PRINT "MAYOR ES..: " & B
IF A > C THEN
PRINT "INTERMEDIO ES..: " & A
PRINT "MENOR ES..: " & C
ELSE
PRINT "INTERMEDIO ES..: " & C
PRINT "MENOR ES..: " & A
ENDIF

ELSE
PRINT "MAYOR ES..: " & C
IF A > B THEN
PRINT "INTERMEDIO ES..: " & A
PRINT "MENOR ES..: " & B
ELSE
PRINT "INTERMEDIO ES..: " & B
PRINT "MENOR ES..: " & A
ENDIF
ENDIF
ENDIF

END

EJERCICIO 4
“DIGITO AUTOVERIFICADOR”
PUBLIC SUB Main()
DIM B, C, D, E, F, G, H, I, J, K, W AS Integer
DIM A AS String
PRINT "INGRESE EL NUMERO DE CEDULA"
INPUT A

FOR B = 1 TO 9 STEP 1
C = Str(Mid(A, B, 1))
D = B MOD 2

IF D = 0 THEN
I=I+C
ELSE
H=C*2

IF H > 9 THEN
D = H MOD 10
E = Int(h / 10)
F=D+E
ELSE
F=H
ENDIF
G=G+F
ENDIF

NEXT
J=G+I
K = J MOD 10
W = 10 - K
PRINT "EL NUMERO VERIFICADOR DE LA CEDULA ES : "
PRINT W
END

EJERCICIO 5
“DE TODO UN POCO”
PUBLIC SUB Main()
DIM a AS Integer
DIM NOMBRE, C AS String
DIM F, I, X, T AS Integer
PRINT "INGRESE UN NÚMERO..:"
INPUT a
PRINT "INGRESE UN NOMBRE..:"
INPUT NOMBRE
PRINT "EL NÚMERO QUE INGRESE ES..", a
PRINT "EL NOMBRE ES..", NOMBRE
C = Mid(NOMBRE, 2, 2)
PRINT "EL CARACTER SELECCIONADO ES..:", C
F=1
FOR I = 1 TO 5
F=F*I
NEXT
PRINT "EL FACTORIAL DE 5 ES..: ", F
X=1
WHILE X <= 10
T=2*X
PRINT "2 X " & Str(X) & "=" & Str(T)
X=X+1
WEND
END

EJERCICIO 6
“EXPORTACION”
'El Ecuador exporta cafe, cacao y maíz en qq, se desea calcular el total de las exportaciones
'y el porcentaje de cada producto exportado, con los siguientes datos
'MAIZ 300, CAFE 400, CACAO 800

PUBLIC SUB Main()
DIM A AS Integer
DIM B AS Integer
DIM C AS Integer
DIM S AS Integer
DIM P1 AS Float
DIM P2 AS Float
DIM P3 AS Float
A = 300
B = 400
C = 800
S=A+B+ C
P1 = A * 100 / S
P2 = B * 100 / S
P3 = C * 100 / S
PRINT "El Total de las exportaciones es..: " & S
PRINT "El porcentaje de MAIZ es..: " & P1 & "%"
PRINT "El porcentaje de CAFE es..: " & P2 & "%"

PRINT "El porcentaje de CACAO es..: " & P3 & "%"
END

EJERCICIO 7
“FUNCIONES”
'PROCEDIMIENTO PRINCIPAL
PUBLIC SUB Main()
DIM a, b, h, z AS Integer
PRINT "Ingrese un número.:"
INPUT a
INPUT b
pintamedia(a, b)
h = 30
z = 70
pintamedia(h, z)
END
'PROCEDIMIENTO 1
PUBLIC SUB pintamedia(v1 AS Integer, v2 AS Integer) AS Integer
DIM s AS Integer
s = v1 + v2
PRINT "La suma es..: ", s
END

EJERCICIO 8
“PINTAMEDIA”
PUBLIC SUB Main()
DIM a, b AS Integer
INPUT a
INPUT b
'Llamada a función suma, resta, multiplicación y división
PRINT "La suma es..: ", suma(a, b)
PRINT "La resta es..: ", resta(a, b)
PRINT "La multiplicación es..: ", multiplicacion(a, b)
PRINT "La división es..: ", division(a, b)
END
'Función suma
PUBLIC SUB suma(v1 AS Integer, v2 AS Integer) AS Integer
DIM s AS Integer
s = v1 + v2
RETURN s
END
'Función resta
PUBLIC SUB resta(v1 AS Integer, v2 AS Integer) AS Integer
DIM r AS Integer
r = v1 - v2
RETURN r
END
'Función multiplicación

PUBLIC SUB multiplicacion(v1 AS Integer, v2 AS Integer) AS Integer
DIM m AS Integer
m = v1 * v2
RETURN m
END
'Función división
PUBLIC SUB division(v1 AS Integer, v2 AS Integer) AS Integer
DIM d AS Integer
d = v1 / v2
RETURN d
E

EJERCICIO 9
“MODULO FIBONACCI”
PUBLIC SUB Main()
'Serie de Fibonacci
DIM p, s, x, t AS Integer
DIM fibo AS String
p=0
s=1
fibo = Str(p) & " " & Str(s)
WHILE x < 5
t=p+s
fibo = fibo & " " & Str(t)
p=s
s=t
x=x+1
WEND
PRINT fibo
END

EJERCICIO 10
“OBJETO SUPERHEROE”

PRIVATE Heroe1 AS NEW SUPERHEROE
PRIVATE Heroe2 AS NEW SUPERHEROE
PUBLIC SUB Main()

Heroe1.Nombre = "Superman"
Heroe1.Actor = "Ramón Zambrano"
Heroe1.Habilidad = "Volar"
Heroe1.Imprime()

WITH Heroe2
.Nombre = "Batman"
.Actor = "Ochoa"
.Habilidad = "Visión Nocturna"
.Imprime
END WITH

END

EJERCICIO 11
“OBJETO SERES VIVOS”
INHERITS SeresVivos

PRIVATE Nombre AS String
PRIVATE Apellido AS String

PUBLIC SUB PoneNombre(cadena AS String)
Nombre = cadena
END
PUBLIC SUB PoneApellido(cadena AS String)
Apellido = cadena
END

PUBLIC FUNCTION Nombrecompleto() AS String
RETURN Nombre & " " & Apellido
END

EJERCICIO 12
“OBJETO VEHICULO”
PRIVATE marca AS String
PRIVATE modelo AS Integer
PRIVATE precio AS Integer
PRIVATE color AS String
PRIVATE placa AS String
PUBLIC SUB mar(marca1 AS String)
marca = marca1
END
PUBLIC SUB model(fecha AS String)
modelo = fecha
END
PUBLIC SUB pre(valor AS Integer)
precio = valor
END
PUBLIC SUB col(tinte AS String)
color = tinte
END
PUBLIC SUB pla(codigo AS String)

placa = codigo
END
PUBLIC FUNCTION marcaauto() AS String
RETURN marca
END
PUBLIC FUNCTION modeloauto() AS String
RETURN modelo
END
PUBLIC FUNCTION precioauto() AS Integer
RETURN precio
END
PUBLIC FUNCTION colorauto() AS String
RETURN color
END
PUBLIC FUNCTION placaauto() AS String
RETURN placa
END

EJERCICIOS “GAMBAS”
(APLICACIÓN GRAFICA)

EJERCICIO 13
“OPERACIONES BÁSICAS”
PUBLIC SUB Button1_Click()
suma.text = Val(num1.text) + Val(num2.text)
resta.text = num1.text - num2.text
multi.text = num1.text * num2.text
divi.text = num1.text / num2.text
END

num1.text = ""

num2.text = ""
suma.text = ""
resta.text = ""
multi.text = ""
divi.text = ""
END

ME.Close
END

EJERCICIO 14
“VENTANA”
PUBLIC SUB Main()
DIM vent AS window
vent = NEW window
vent.show()
END

EJERCICIO 15
“MENU”
PUBLIC SUB Timer1_Timer()
segundos.text = Val(segundos.Text) + 1
IF segundos.text = 59 THEN
minutos.text = Val(minutos.text) + 1
segundos.text = "0"
segundos.text = Val(segundos.text) + 1
ELSE
IF minutos.text = 59 THEN
horas.text = Val(horas.text) + 1
minutos.text = "0"
ENDIF
ENDIF
END

IF Button1.text = "Iniciar" THEN

Timer1.enabled = TRUE
Button1.caption = "Parar"
ELSE
Timer1.Enabled = FALSE
Button1.text = "Iniciar"
ENDIF
END

segundos.text = "0"
minutos.text = "0"
horas.text = "0"
END

EJERCICIO 16
“JUEGO”
DIM n1, n2, n3 AS Integer
RANDOMIZE
n1 = Int(Rnd() * 10)
n2 = Int(Rnd() * 10)
n3 = Int(Rnd() * 10)
TextBox1.Text = n1
TextBox2.Text = n2
TextBox3.Text = n3
IF n1 = n2 AND n1 = n3 THEN
Message("GANASTES")
TextBox5.Text = TextBox4.Text * 2
ELSE
IF n1 = 7 AND n2 = 7 AND n3 = 7 THEN
Message("CONGRATULATIONS GANASTES EL PREMIO MAYOR")
TextBox5.Text = TextBox4.Text * 4

ENDIF
ENDIF
END
ME.Close
END

EJERCICIO 17
“GRÁFICOS”
PUBLIC r AS Integer
PUBLIC posy AS Integer
PUBLIC posx AS Integer
PUBLIC al AS Integer
PUBLIC ba AS Integer
PUBLIC SUB Form_Open()
r = 20
END
posy = area1.Height / 2
posx = area1.Width / 2
Draw.Begin(area1)
Draw.FillColor = Color.RGB(128, 255, 0)

Draw.FillStyle = Fill.Solid
Draw.Circle(posx, posy, r)
r = r + 20
'Draw.Ellipse(200, 200, 100, 50)
Draw.End
END
ME.Close
END
area1.Clear
Draw.Begin(area1)
Draw.Circle(posx, posy, r)
r = r - 20
'Draw.Ellipse(200, 200, 100, 50)
Draw.End
END
area1.Clear
Draw.Begin(area1)
Draw.Rect(posx, posy, al, ba)
Draw.End
al = al + 10
ba = ba + 10
END

EJERCICIO 18
“PROTECTOR DE PANTALLA”
PUBLIC C1 AS Integer
PUBLIC C2 AS Integer
PUBLIC C AS Integer
PUBLIC r AS Integer

IF Button1.Text = "Iniciar Fondo" THEN
Timer1.Enabled = TRUE
Button1.Caption = "Parar"
ELSE
Timer1.Enabled = FALSE
Button1.Text = "Iniciar Fondo"
ENDIF
END

ME.Close
END

PUBLIC SUB Timer1_Timer()
C1 = Int(Rnd() * 700)
C2 = Int(Rnd() * 700)
C = Int(Rnd() * 15)
Draw.Begin(area1)
Draw.FillColor = Color.RGB((160 + c1), (2 + c2), (c1 + C2))
' coge los colores que se designen
Draw.Circle(C1, C2, C)
Draw.End
END

EJERCICIO 19
“CALCULADORA”
PUBLIC BAN AS Integer
PUBLIC OP1 AS Float
PUBLIC OP2 AS Float
visor.text = visor.Text & "0"
END
visor.text = visor.Text & "."
END
END
END

END
END
END
END
END
END
END
ME.Close
END
visor.text = ""
END
PUBLIC FUNCTION operacion(v1 AS Float, v2 AS Float, opera AS Integer) AS Float
DIM re AS Float
SELECT CASE opera
CASE 1
re = v1 + v2
CASE 2
re = v1 - v2
CASE 3
re = v1 * v2
CASE 4
re = v1 / v2
CASE 5
re = (v1 * v2) / 100
CASE 6
re = v1 ^ 2
CASE 7
re = v1 ^ 3
CASE 8
re = v1 ^ v2
CASE 9
re = 1 / v1
END SELECT
RETURN re
END
BAN = 1
IF visor.text <> 0 THEN
OP1 = visor.Text
ELSE
OP1 = 0
ENDIF
visor.Clear
END
BAN = 2
OP1 = visor.Text
ELSE

OP1 = 0
ENDIF
visor.Clear
END
BAN = 3
OP1 = visor.Text
ELSE
OP1 = 0
ENDIF
visor.Clear
END
BAN = 4
OP1 = visor.Text
ELSE
OP1 = 0
ENDIF
visor.Clear
END
OP2 = visor.Text
ELSE
OP2 = 0
ENDIF
visor.Text = operacion(OP1, OP2, BAN)
END
BAN = 5
OP1 = visor.Text
ELSE
OP1 = 0
ENDIF
visor.Clear
END
BAN = 6
OP1 = visor.Text
ELSE
OP1 = 0
ENDIF
visor.text = OP1
END
DIM valor, x1, x2, i AS Integer
DIM cadena, cadena2 AS String
valor = visor.Text
WHILE valor > 0
x1 = valor MOD 2
x2 = Int(valor / 2)
cadena = cadena & Str(x1)
valor = x2
WEND
FOR i = Len(cadena) TO 1 STEP -1
cadena2 = cadena2 & (Mid(cadena, i, 1))
NEXT
visor.text = cadena2
END

valor = visor.Text
WHILE valor > 0
x1 = valor MOD 8
x2 = Int(valor / 8)
valor = x2
WEND
NEXT
visor.text = cadena2
END
valor = visor.Text
WHILE valor > 0
x1 = valor MOD 16
x2 = Int(valor / 16)
IF x1 = 10 THEN
cadena = cadena & "A"
ELSE
IF x1 = 11 THEN
cadena = cadena & "B"
ELSE
IF x1 = 12 THEN
cadena = cadena & "C"
ELSE
IF x1 = 13 THEN
cadena = cadena & "D"
ELSE
IF x1 = 14 THEN
cadena = cadena & "E"
ELSE
IF x1 = 15 THEN
cadena = cadena & "F"
ELSE
ENDIF
ENDIF
ENDIF
ENDIF
ENDIF
ENDIF
valor = x2
WEND
NEXT
visor.Text = cadena2
END
BAN = 7
OP1 = visor.Text
ELSE
OP1 = 0
ENDIF
visor.text = OP1
END

BAN = 8
OP1 = visor.Text
ELSE
OP1 = 0
ENDIF
visor.Clear
END
BAN = 9
OP1 = visor.Text
ELSE
OP1 = 0
ENDIF
visor.text = OP1
END
DIM a, b AS Long
DIM valor AS Integer
valor = visor.Text
b=1
FOR a = valor TO 1 STEP -1
b=b*a
NEXT
visor.Text = b
END
DIM r AS Float
r = Rad(visor.text)
visor.text = Sin(r)
END
DIM r AS Float
r = Rad(visor.text)
visor.text = Cos(r)
END
DIM r AS Float
r = Rad(visor.text)
visor.text = Tan(r)
END
EJERCICIO 20
“CONVIERTE NÚMERO A LETRAS”
PUBLIC FUNCTION EnLetras(numero AS String) AS String
DIM b, paso AS Integer
DIM expresion, entero, deci, flag AS String
flag = "N"
FOR paso = 1 TO Len(numero)
IF Mid(numero, paso, 1) = "." THEN
flag = "S"
ELSE
IF flag = "N" THEN
entero = entero & Mid(numero, paso, 1)
ELSE
deci = deci & Mid(numero, paso, 1)
END IF
END IF
NEXT

IF Len(deci) = 1 THEN

deci = deci & "0"
END IF
flag = "N"
IF Val(numero) >= -999999999 AND Val(numero) <= 999999999 THEN

FOR paso = Len(entero) TO 1 STEP -1
b = Len(entero) - (paso - 1)

SELECT CASE paso
CASE 3, 6, 9
SELECT CASE Mid(entero, b, 1)
CASE "1"
IF Mid(entero, b + 1, 1) = "0" AND Mid(entero, b + 2, 1) = "0" THEN
expresion = expresion & "cien "
ELSE
expresion = expresion & "ciento "
END IF
CASE "2"
expresion = expresion & "doscientos "
CASE "3"
expresion = expresion & "trescientos "
CASE "4"
expresion = expresion & "cuatrocientos "
CASE "5"
expresion = expresion & "quinientos "
CASE "6"
expresion = expresion & "seiscientos "
CASE "7"
expresion = expresion & "setecientos "
CASE "8"
expresion = expresion & "ochocientos "
CASE "9"
expresion = expresion & "novecientos "
END SELECT

CASE 2, 5, 8
CASE "1"
IF Mid(entero, b + 1, 1) = "0" THEN
flag = "S"
expresion = expresion & "diez "
END IF
flag = "S"
expresion = expresion & "once "
END IF
flag = "S"
expresion = expresion & "doce "
END IF
flag = "S"
expresion = expresion & "trece "
END IF
flag = "S"
expresion = expresion & "catorce "
END IF
flag = "S"
expresion = expresion & "quince "
END IF
IF Mid(entero, b + 1, 1) > "5" THEN

flag = "N"
expresion = expresion & "dieci"
END IF
CASE "2"
expresion = expresion & "veinte "
flag = "S"
ELSE
expresion = expresion & "veinti"
flag = "N"
END IF

CASE "3"
expresion = expresion & "treinta "
flag = "S"
ELSE
expresion = expresion & "treinta y "
flag = "N"
END IF

CASE "4"
expresion = expresion & "cuarenta "
flag = "S"
ELSE
expresion = expresion & "cuarenta y "
flag = "N"
END IF

CASE "5"
expresion = expresion & "cincuenta "
flag = "S"
ELSE
expresion = expresion & "cincuenta y "
flag = "N"
END IF

CASE "6"
expresion = expresion & "sesenta "
flag = "S"
ELSE
expresion = expresion & "sesenta y "
flag = "N"
END IF

CASE "7"
expresion = expresion & "setenta "
flag = "S"
ELSE
expresion = expresion & "setenta y "
flag = "N"
END IF

CASE "8"
expresion = expresion & "ochenta "
flag = "S"
ELSE
expresion = expresion & "ochenta y "

flag = "N"
END IF

CASE "9"
expresion = expresion & "noventa "
flag = "S"
ELSE
expresion = expresion & "noventa y "
flag = "N"
END IF
END SELECT

CASE 1, 4, 7
CASE "1"
IF flag = "N" THEN
IF paso = 1 THEN
expresion = expresion & "uno "
ELSE
expresion = expresion & "un "
END IF
END IF
CASE "2"
IF flag = "N" THEN
expresion = expresion & "dos "
END IF
CASE "3"
IF flag = "N" THEN
expresion = expresion & "tres "
END IF
CASE "4"
IF flag = "N" THEN
expresion = expresion & "cuatro "
END IF
CASE "5"
IF flag = "N" THEN
expresion = expresion & "cinco "
END IF
CASE "6"
IF flag = "N" THEN
expresion = expresion & "seis "
END IF
CASE "7"
IF flag = "N" THEN
expresion = expresion & "siete "
END IF
CASE "8"
IF flag = "N" THEN
expresion = expresion & "ocho "
END IF
CASE "9"
IF flag = "N" THEN
expresion = expresion & "nueve "
END IF
END SELECT
END SELECT
IF paso = 4 THEN
IF Mid(entero, 6, 1) <> "0" OR Mid(entero, 5, 1) <> "0" OR Mid(entero, 4, 1) <> "0" OR (Mid(entero,
6, 1) = "0" AND Mid(entero, 5, 1) = "0" AND Mid(entero, 4, 1) = "0" AND Len(entero) <= 6) THEN
expresion = expresion & "mil "
END IF
END IF

IF paso = 7 THEN
IF Len(entero) = 7 AND Mid(entero, 1, 1) = "1" THEN
expresion = expresion & "millón "
ELSE
expresion = expresion & "millones "
END IF
END IF
NEXT

IF deci <> "" THEN
IF Mid(entero, 1, 1) = "-" THEN
expresion = "menos " & expresion & "con " & deci & "/100"
ELSE
expresion = expresion & "con " & deci & "/100"
END IF
ELSE
IF Mid(entero, 1, 1) = "-" THEN
expresion = "menos " & expresion
ELSE
expresion = expresion
END IF
END IF
ELSE
expresion = ""
END IF
TextBox2.Text = expresion
END FUNCTION

EnLetras(TextBox1.text)
END

ME.Close
END

TextBox1.Text = ""
TextBox2.Text = ""
END

EJERCICIO 21
“FACTURA”
PUBLIC r AS Integer
PUBLIC i AS Integer
PUBLIC m AS Integer
PUBLIC SUB Form_Open()
TextBox6.SetFocus
'Número de columnas
cuadro.Columns.Count = 5
'Número de filas
cuadro.Rows.Count = 10
cuadro.Columns[0].width = 50
cuadro[0, 0].text = "NUM"

cuadro[0, 1].text = "DETALLE"
cuadro[0, 2].text = "PRECIO.U"
cuadro[0, 3].text = "CANT"
cuadro[0, 4].text = "TOTAL A PAGAR"
r=0
i=0
END
PUBLIC SUB TextBox3_KeyPress()
IF Key.code = 65293 THEN
IF TextBox3.text = "" THEN
Message.Info("Ingrese Valor")
TextBox3.SetFocus
ELSE
i=i+1
r=r+1
TextBox4.text = i
cuadro[r, 0].text = Val(TextBox4.text)
cuadro[r, 1].text = (TextBox1.text)
cuadro[r, 2].text = TextBox2.text
cuadro[r, 3].text = TextBox3.text
'PRECIO TOTAL
TextBox5.Text = (TextBox2.text) * (TextBox3.text)
cuadro[r, 4].text = Val(TextBox5.text)
m = m + TextBox5.Text
TextBox1.text = ""
TextBox2.text = ""
TextBox3.text = ""
TextBox1.SetFocus
ENDIF
ENDIF
END
TextBox6.Text = m
TextBox7.Text = (m * 7) / 100
TextBox8.Text = (((TextBox6.Text) - (TextBox7.Text) * 12) / 100)
TextBox9.Text = (TextBox6.Text) - (TextBox7.Text) + (TextBox8.Text)
END
Message.Info("Ingrese Precio Unitario")
TextBox2.SetFocus
ELSE
TextBox3.Text.SetFocus
ENDIF
ENDIF
END
Message.Info("Ingrese Detalle")
TextBox1.SetFocus
ELSE
TextBox2.Text.SetFocus
ENDIF
ENDIF
END

TextBox4.text = ""
TextBox5.text = ""
TextBox6.text = ""
TextBox7.text = ""
TextBox8.text = ""
TextBox9.text = ""
END
ME.Close
END

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