Imports System.Math
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim h%, m%, s%, x%
x = Val(TextBox1.Text)
s = x Mod 60
m = (x \ 60) Mod 60
h = x \ 3600
Label2.Text = h & ":" & m & ":" & s
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Me.Height = 250
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Me.Height = 400
End Sub
Private Sub Label3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label3.Click
Dim c As Char
c = Trim(ComboBox1.Text)
Select Case c
Case "+"
TextBox4.Text = Val(TextBox2.Text) + Val(TextBox3.Text)
Case "-"
TextBox4.Text = Val(TextBox2.Text) - Val(TextBox3.Text)
Case "*"
TextBox4.Text = Val(TextBox2.Text) * Val(TextBox3.Text)
Case "/"
TextBox4.Text = Val(TextBox2.Text) / Val(TextBox3.Text)
End Select
End Sub
Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
TextBox6.Text = Sin(Val(TextBox5.Text))
End Sub
Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
TextBox6.Text = Sqrt(Val(TextBox5.Text))
End Sub
Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
TextBox6.Text = Oct(Val(TextBox5.Text))
End Sub
Private Sub Button7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button7.Click
TextBox6.Text = Cos(Val(TextBox5.Text))
End Sub
Private Sub Button8_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button8.Click
TextBox6.Text = Log(Val(TextBox5.Text))
End Sub
Private Sub Button9_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button9.Click
TextBox6.Text = Hex(Val(TextBox5.Text))
End Sub
Private Sub Button10_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button10.Click
Dim i As Integer, c As Char
Randomize()
Label4.Text = ""
For i = 1 To 10
Label4.Text &= Chr(Int(Rnd() * 26 + 65)) & " "
Next
End Sub
End Class
好久不写,感觉手生了不少
赶紧捡起节操。久违了-优快云