Imports Microsoft.CSharp.CSharpCodeProvider
Imports System
Imports System.ComponentModel
Imports System.Drawing
Imports System.Text.RegularExpressions
Imports System.Threading
Imports System.Windows.Forms
Public Class Form1
Private flag As Byte
Private quizgenerate As String()
Private inquiz As Boolean
Protected qo As Boolean
Private Sub okbutton_Click(sender As Object, e As EventArgs) Handles okbutton.Click
If Convert.ToInt32(Me.txtmax.Text) < 10 Then
Me.txtmax.Text = "10"
Me.maxsoal.Refresh()
End If
If Convert.ToInt32(Me.txtnum.Text) < 10 Then
Me.txtnum.Text = "10"
Me.ttsoal.Refresh()
End If
Me.okbutton.Enabled = False
Me.okbutton.Refresh()
Me.Cursor = Cursors.WaitCursor
Me.pb.Value = 0
Me.pb.Refresh()
Me.label4.Text = "0%"
Me.label4.Refresh()
Me.richTextBox1.Clear()
Me.dstr.Visible = True
Me.dstr.Refresh()
Me.dstr.Visible = True
Me.dstr.Refresh()
If Me.rb1.Checked Then
Me.flag = 0
End If
If Me.rb2.Checked Then
Me.flag = 1
End If
Me.inquiz = False
Thread.Sleep(100)
Me.quizgenerate = New String(Convert.ToInt32(Me.ttsoal.Text) - 1) {}
Me.bw.RunWorkerAsync()
End Sub
Private Sub button1_Click(sender As Object, e As EventArgs) Handles button1.Click
Try
Clipboard.Clear()
Clipboard.SetText(Me.richTextBox1.Text)
Catch
End Try
End Sub
Private Sub bw_DoWork(sender As Object, e As System.ComponentModel.DoWorkEventArgs) Handles bw.DoWork
If Not Me.inquiz Then
Me.inquiz = True
If Me.flag = 1 Then
Me.rsltderet(Me.generatepatern(100))
End If
If Me.flag = 0 Then
Me.prgs()
End If
End If
End Sub
Private Function generatepatern(ByVal rslt As Integer) As String()
Dim strArray As String() = New String(rslt - 1) {}
Dim index As Integer = 0
While True
Dim str As String
While True
If index >= rslt Then
Return strArray
End If
strArray(index) = ""
str = ""
Dim flag As Boolean = False
While True
If flag Then
Exit While
End If
str = ""
Dim num2 As Integer = 0
While True
If num2 < 3 Then
Thread.Sleep(&H10)
Dim random As Random = Nothing
random = New Random()
Dim num3 As Integer = random.[Next](1, 5)
Thread.Sleep(&H10)
Dim random1 As Random = New Random()
Dim num6 As Integer = random.[Next](3) Mod 3
Select Case num6
Case 0
str = str & "+" & num3.ToString() & " "
Case 1
str = str & "-" & num3.ToString() & " "
Case 2
str = str & "x" & num3.ToString() & " "
Case Else
End Select
num2 += 1
Continue While
End If
Dim flag2 As Boolean = False
Dim num5 As Integer = 0
While True
If num5 < strArray.Length Then
If Not String.IsNullOrEmpty(strArray(num5)) AndAlso (strArray(num5).Trim() = str.Trim()) Then
flag2 = True
ElseIf Not String.IsNullOrEmpty(strArray(num5)) Then
num5 += 1
Continue While
End If
End If
If Not flag2 Then
flag = True
End If
Exit While
End While
Exit While
End While
End While
Exit While
End While
strArray(index) = str.Trim()
index += 1
End While
End Function
Private Sub prgs()
Try
Dim str As String
Dim method As MethodInvoker = Nothing
Dim maxValue As Integer = Convert.ToInt32(Me.txtmax.Text)
Dim rslt As Integer = Convert.ToInt32(Me.txtnum.Text)
Dim hl As String = ""
Dim num2 As Single = 0F
Dim hlp As String() = New String(rslt - 1) {}
Dim invoker As MethodInvoker = Nothing
Dim m As Integer = 0
GoTo TR_002C
TR_000A:
hlp(m) = str & "=" & num2.ToString()
If MyBase.InvokeRequired Then
If invoker Is Nothing Then
invoker = Function()
Dim num As Single = (Single.Parse((m + 1).ToString()) / Single.Parse(rslt.ToString())) * 100.0F
Me.pb.Value = Convert.ToInt32(num)
Me.label4.Text = Convert.ToInt32(num).ToString() & "%"
Me.label4.Refresh()
Me.pb.Refresh()
End Function
End If
Me.Invoke(invoker)
End If
m += 1
TR_002C:
While True
If m < rslt Then
Dim flag As Boolean = False
str = ""
While True
If flag Then
Exit While
End If
Thread.Sleep(&H10)
Dim random As Random = New Random()
num2 = 0F + random.[Next](1, maxValue)
str = num2.ToString()
Thread.Sleep(&H10)
Dim num3 As Integer = random.[Next](1, 4)
Dim num4 As Integer = 0
While True
If num4 < num3 Then
Thread.Sleep(&H10)
Dim num5 As Single = New Random().[Next](1, maxValue)
Thread.Sleep(&H10)
Dim num6 As Integer = New Random().[Next](4)
Dim num10 As Integer = num6 Mod 4
Select Case num10
Case 0
num2 += Single.Parse(num5.ToString())
str = str & "+" & num5.ToString()
Case 1
num2 -= Single.Parse(num5.ToString())
str = str & "-" & num5.ToString()
Case 2
str = str & "x" & num5.ToString()
Case 3
str = str & "/" & num5.ToString()
Case Else
End Select
num4 += 1
Continue While
End If
Dim str2 As String = num2.ToString().Substring(0, 1)
Dim index As Integer = num2.ToString().IndexOf(","c)
Dim flag2 As Boolean = False
If index > -1 Then
Dim str3 As String = num2.ToString().Substring(index + ",".Length)
If str3.Contains("9") OrElse (str3.Contains("8") OrElse (str3.Contains("7") OrElse (str3.Contains("6") OrElse (str3.Contains("5") OrElse (str3.Contains("4") OrElse (str3.Contains("3") OrElse (str3.Contains("2") OrElse str3.Contains("1")))))))) Then
flag2 = True
End If
End If
If num2.ToString().ToLower() = "infinity".ToLower() Then
flag2 = True
End If
If num2.ToString().ToLower() = "nan".ToLower() Then
flag2 = True
End If
Dim str4 As String = str & "=" & num2.ToString()
Dim num9 As Integer = 0
While True
If num9 < hlp.Length Then
If Not String.IsNullOrEmpty(hlp(num9)) AndAlso (hlp(num9) = str4) Then
flag2 = True
ElseIf Not String.IsNullOrEmpty(hlp(num9)) Then
num9 += 1
Continue While
End If
End If
If (str2 <> "-") AndAlso Not flag2 Then
flag = True
End If
Exit While
End While
Exit While
End While
End While
Else
If MyBase.InvokeRequired Then
If method Is Nothing Then
method = Function()
Dim index As Integer = 0
While index < rslt
Dim separator As Char() = New Char() {"+"c, "-"c, "x"c, "/"c, "="c}
Dim strArray As String() = hlp(index).Split(separator)
Dim chArray2 As Char() = New Char() {"0"c, "1"c, "2"c, "3"c, "4"c, "5"c, "6"c, "7"c, "8"c, "9"c}
Dim strArray2 As String() = hlp(index).Split(chArray2, StringSplitOptions.RemoveEmptyEntries)
Thread.Sleep(&H10)
Dim num3 As Integer = New Random().[Next](strArray.Length) Mod strArray.Length
Dim _str As String = strArray(num3)
strArray(num3) = "?"
hlp(index) = ""
Dim num4 As Integer = 0
While True
Dim _strArray3 As String()
Dim ptr As IntPtr
If CheckBox1.Checked Then
If num4 >= strArray.Length Then
Dim strArray5 As String() = New String() {hl, "#MATH~", hlp(index).Trim(), "|", _str.ToString() + vbNewLine}
hl = String.Concat(strArray5)
Me.richTextBox1.Text = (hl)
Me.richTextBox1.Refresh()
index += 1
Exit While
End If
Else
If num4 >= strArray.Length Then
Dim strArray5 As String() = New String() {hl, "#MATH~", hlp(index).Trim(), "|", _str.ToString()}
hl = String.Concat(strArray5)
Me.richTextBox1.Text = (hl)
Me.richTextBox1.Refresh()
index += 1
Exit While
End If
End If
Dim str2 As String = ""
If num4 < strArray2.Length Then
str2 = strArray2(num4).ToString()
End If
Dim strArray4 As String() = New String() {strArray(num4), " ", str2, " "}
CSharpImpl.__Assign(_strArray3, hlp)(CInt((CSharpImpl.__Assign(ptr, CType(index, IntPtr))))) = String.Concat(strArray4)
num4 += 1
End While
End While
Me.Cursor = Cursors.[Default]
Me.okbutton.Enabled = True
End Function
End If
Me.Invoke(method)
End If
Return
End If
Exit While
End While
GoTo TR_000A
Catch exception1 As Exception
Dim message As String = exception1.Message
End Try
End Sub
Private Sub rsltderet(ByVal ptrn As String())
Try
Dim str As String
Dim method As MethodInvoker = Nothing
Dim invoker2 As MethodInvoker = Nothing
Dim invoker3 As MethodInvoker = Nothing
Dim maxValue As Integer = Convert.ToInt32(Me.maxsoal.Text)
Dim num2 As Integer = Convert.ToInt32(Me.ttsoal.Text)
Dim hasil As String = ""
Dim num3 As Integer = 0
Dim strArray As String() = New String(num2 - 1) {}
Dim bb As Integer = num2 * 2
Dim ckl As Integer = 0
Dim index As Integer = 0
GoTo TR_0044
TR_001D:
strArray(index) = str
If MyBase.InvokeRequired Then
If method Is Nothing Then
method = Function()
Dim num As Single = (Single.Parse((ckl + 1).ToString()) / Single.Parse(bb.ToString())) * 50.0F
Me.pb.Value = Convert.ToInt32(num)
Me.label4.Text = Convert.ToInt32(num).ToString() & "%"
Me.label4.Refresh()
Me.pb.Refresh()
End Function
End If
Me.Invoke(method)
End If
ckl += 1
index += 1
TR_0044:
While True
If index < num2 Then
Dim flag As Boolean = False
str = ""
While True
If flag Then
Exit While
End If
Thread.Sleep(&H10)
Dim random As Random = New Random()
num3 = 0 + random.[Next](maxValue)
str = num3.ToString()
Thread.Sleep(&H10)
Dim num5 As Integer = New Random().[Next](ptrn.Length) Mod ptrn.Length
Thread.Sleep(&H10)
Dim num6 As Integer = New Random().[Next](2, 4)
Dim separator As Char() = New Char() {" "c}
Dim strArray2 As String() = ptrn(num5).Split(separator, StringSplitOptions.RemoveEmptyEntries)
Dim num7 As Integer = 0
While True
If num7 < num6 Then
Dim num8 As Integer = 0
While True
If num8 >= strArray2.Length Then
num7 += 1
Exit While
End If
Dim str2 As String = strArray2(num8).Trim().Substring(0, 1)
Dim num9 As Integer = Convert.ToInt32(strArray2(num8).Trim().Substring(1))
Dim str5 As String = str2
If str5 IsNot Nothing Then
If str5 = "+" Then
num3 += num9
str = str & " " & num3.ToString()
ElseIf str5 = "-" Then
num3 -= num9
str = str & " " & num3.ToString()
ElseIf str5 = "x" Then
str = str & " " & (num3 * num9).ToString()
End If
End If
num8 += 1
End While
Continue While
End If
Dim flag2 As Boolean = False
Dim str3 As String = str
Dim num10 As Integer = 0
While True
If num10 < strArray.Length Then
If Not String.IsNullOrEmpty(strArray(num10)) AndAlso (strArray(num10) = str3) Then
flag2 = True
ElseIf Not String.IsNullOrEmpty(strArray(num10)) Then
num10 += 1
Continue While
End If
End If
Dim strArray3 As String() = str.Split(New Char() {" "c})
Dim num11 As Integer = 0
Dim num12 As Integer = 0
While True
If num12 < strArray3.Length Then
If strArray3(num12).Trim().Substring(0, 1) <> "-" Then
num11 += 1
End If
num12 += 1
Continue While
End If
If num11 < 3 Then
flag2 = True
End If
If Not flag2 Then
flag = True
End If
Exit While
End While
Exit While
End While
Exit While
End While
End While
Else
Dim num13 As Integer = 0
While True
If num13 >= num2 Then
If MyBase.InvokeRequired Then
If invoker3 Is Nothing Then
invoker3 = Function()
If CheckBox1.Checked Then
For i As Integer = 0 To Me.quizgenerate.Length - 1
hasil = hasil & Me.quizgenerate(i) + vbNewLine
Me.richTextBox1.Text = hasil
Me.richTextBox1.Refresh()
Next
Else
For i As Integer = 0 To Me.quizgenerate.Length - 1
hasil = hasil & Me.quizgenerate(i)
Me.richTextBox1.Text = hasil
Me.richTextBox1.Refresh()
Next
End If
Me.Cursor = Cursors.[Default]
Me.okbutton.Enabled = True
Me.okbutton.Refresh()
Me.dstr.Visible = False
Me.dstr.Refresh()
Thread.Sleep(100)
End Function
End If
Me.Invoke(invoker3)
End If
Exit While
End If
Dim separator As Char() = New Char() {" "c}
Dim strArray4 As String() = strArray(num13).Split(separator, StringSplitOptions.RemoveEmptyEntries)
Dim flag3 As Boolean = False
Dim str4 As String = ""
While True
If Not flag3 Then
Thread.Sleep(&H10)
Dim num14 As Integer = New Random().[Next](strArray4.Length) Mod strArray4.Length
If strArray4(num14).Trim().Substring(0, 1) = "-" Then
Continue While
End If
str4 = strArray4(num14)
strArray4(num14) = "?"
flag3 = True
End If
strArray(num13) = ""
Dim num15 As Integer = 0
While True
Dim strArray5 As String()
Dim ptr As IntPtr
If num15 >= strArray4.Length Then
Me.quizgenerate(num13) = "#deret~" & strArray(num13).Trim() & "|" & str4.ToString()
If MyBase.InvokeRequired Then
If invoker2 Is Nothing Then
invoker2 = Function()
Dim num As Single = (Single.Parse((ckl + 1).ToString()) / Single.Parse(bb.ToString())) * 100.0F
Me.pb.Value = Convert.ToInt32(num)
Me.label4.Text = Convert.ToInt32(num).ToString() & "%"
Me.label4.Refresh()
Me.pb.Refresh()
End Function
End If
Me.Invoke(invoker2)
End If
ckl += 1
num13 += 1
Exit While
End If
CSharpImpl.__Assign(strArray5, strArray)(CInt((CSharpImpl.__Assign(ptr, CType(num13, IntPtr))))) = strArray5(CInt(ptr)) & strArray4(num15) & " "
num15 += 1
End While
Exit While
End While
End While
Return
End If
Exit While
End While
GoTo TR_001D
Catch exception1 As Exception
Dim message As String = exception1.Message
End Try
End Sub
Private Sub bw_RunWorkerCompleted(sender As Object, e As System.ComponentModel.RunWorkerCompletedEventArgs) Handles bw.RunWorkerCompleted
Me.Cursor = Cursors.[Default]
End Sub
Private Sub rfrsh(ByVal e As KeyPressEventArgs)
If Not Regex.IsMatch(e.KeyChar.ToString(), "\d+") Then
e.Handled = True
End If
End Sub
Private Sub txtmax_KeyPress(sender As Object, e As KeyPressEventArgs) Handles maxsoal.KeyPress
Me.rfrsh(e)
End Sub
End Class
