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My Form 1 Code For Assignment (Draft)

The document is a Visual Basic code for a form that allows users to select input methods for sorting and searching algorithms. It includes options for random numbers or an external text file, and displays appropriate UI elements based on user selections. The code also handles file selection and reading, displaying an error message if the file does not exist.

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myatminkhant5599
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35 views2 pages

My Form 1 Code For Assignment (Draft)

The document is a Visual Basic code for a form that allows users to select input methods for sorting and searching algorithms. It includes options for random numbers or an external text file, and displays appropriate UI elements based on user selections. The code also handles file selection and reading, displaying an error message if the file does not exist.

Uploaded by

myatminkhant5599
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as TXT, PDF, TXT or read online on Scribd
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Imports System.

IO

Public Class frm1

Private Sub cmdSelect_Click(sender As Object, e As EventArgs) Handles


cmdSelect.Click
If optBubblesort.Checked = False And optBinarysearch.Checked = False And
optBubblesort.Checked = False And optInsertionsort.Checked = False Then
MsgBox("Please choose one input method.")
Return
End If
If optRandomnumber.Checked = False And optExternaltextfile.Checked = False
Then
MsgBox("Please choose one input method.")
Return
End If
If optRandomnumber.Checked = True Then
cmdNext.Visible = True
GroupBox3.Visible = False
ElseIf optExternaltextfile.Checked = True Then
GroupBox3.Visible = True
cmdNext.Visible = False
End If
End Sub

Private Sub cmdChoose_Click(sender As Object, e As EventArgs) Handles


cmdChoose.Click

Dim myReader As StreamReader


Dim dialog As OpenFileDialog
Dim selected As Boolean
Dim filename As String

dialog = New OpenFileDialog

selected = dialog.ShowDialog

If selected = True Then


filename = dialog.FileName
If File.Exists(filename) Then
myReader = File.OpenText(filename)
txtData.Text = myReader.ReadToEnd
txtData.Text = filename
Else
MsgBox("No such file.")
End If

End If

cmdNext.Visible = True
End Sub

Private Sub cmdNext_Click(sender As Object, e As EventArgs) Handles


cmdNext.Click
frm2.Show()
Me.Visible = False
End Sub

Private Sub frm1_Load(sender As Object, e As EventArgs) Handles MyBase.Load


cmdNext.Visible = False
GroupBox3.Visible = False
End Sub
End Class

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