An application in Visual Basic that allows: 1) Enter the number of candidates in

Question

An application in Visual Basic that allows:

1) Enter the number of candidates in the voting.

2) Based on the number of candidates, the application should ask the name and lastname of the candidates.

3) The name of the candidates must be registered.

4) You must provide a form that allows the voting process:

a) Voting Form: The voting Form should contain the instructions for the selection of the candidate and provide a way to record each vote.

b) You must increase the sum of the votes for the corresponding candidate according to the vote.

5) As a result, the list of candidates and their total votes must be provided.

SICI 3029 Voting System Ver 1 a Voting Functions SICI Voting System 2016 Select Candidiate from the list below and press Vote System Admin Functions Voting Functions Exit System Admin Functions Vote System Admin Functions Conclude Voting Indicate Number Candidates Display Results Ist Results Enter Candidate Names Preview Candidate List Display Results Reset Candidates Back to Main Options Display Winner Back to Admin Options

Explanation / Answer

Dim Candidates() As String
Dim votes() As Integer
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
resultsList.Visible = False
candidateList.Location = New Point(143, 71)
tallyVotes.Enabled = False
resultsList.Enabled = False
Label1.Text = "Click 'Nominate Candidate' to enter a candidate, or 'Start Voting'" & vbCrLf & "to end nominations and start the voting."
End Sub
Private Sub candidateList_SelectedIndexChanged(sender As Object, e As EventArgs) Handles candidateList.SelectedIndexChanged
End Sub
Private Sub resultsList_SelectedIndexChanged(sender As Object, e As EventArgs) Handles resultsList.SelectedIndexChanged
End Sub
Private Sub nominateCandidate_Click(sender As Object, e As EventArgs) Handles nominateCandidate.Click
MessageBox.Show("When finished entering candidates, simply press enter on a blank line.", "Instructions")
Dim candidateName = InputBox("Enter the name of your candidate (first and last name please):", "Candidate Name", "", 500, 500)
Dim i As Integer = 0
Do Until String.IsNullOrEmpty(candidateName)
ReDim Preserve Candidates(i)
Candidates(i) = candidateName
i += 1
candidateName = InputBox("Enter the name of your candidate (first and last name please):", "Candidate Name", "", 500, 500)
Loop
End Sub
Private Sub startVoting_Click(sender As Object, e As EventArgs) Handles startVoting.Click
nominateCandidate.Enabled = False
tallyVotes.Enabled = True
Label1.Text = "Vote for a candidate by double-clicking his or her name." & vbCrLf & "End the voting by clicking on 'Tally Votes'."
showCandidates()
End Sub
Private Sub tallyVotes_Click(sender As Object, e As EventArgs) Handles tallyVotes.Click
resultsList.Visible = True
candidateList.Location = New Point(14, 71)
getResults()
End Sub
Private Sub candidateList_DoubleClick(sender As Object, e As EventArgs) Handles candidateList.DoubleClick
Try
votes(candidateList.SelectedIndex) += 1
candidateList.SelectedIndex = -1
Catch exc As IndexOutOfRangeException
MessageBox.Show("Please click on a candidate to vote.", "Attention!")
End Try
End Sub
Sub showCandidates()
Dim query = From candidate In Candidates
Let firstName = candidate.Split(" "c)(0)
Let lastName = candidate.Split(" "c)(1)
Let name = firstName & " " & lastName
Order By lastName
Select name
For Each Name As String In query
candidateList.Items.Add(Name)
Next
ReDim Preserve votes(candidateList.Items.Count - 1)
End Sub
Sub getResults()
For Each i In votes
resultsList.Items.Add(i)
Next
Dim mostVotes As Integer = 0
For Each item In resultsList.Items
If item > mostVotes Then
mostVotes = item
End If
Next
resultsList.SelectedItem = mostVotes
candidateList.SelectedIndex = resultsList.SelectedIndex
Dim winner = candidateList.SelectedItem
MessageBox.Show("The winner is " & winner)
End Sub

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