Food Chain and Food Web (Ecosystem) EVS, B. Pharmacy 1st Year, Sem-II
Sachin Foujdar , BCA Third Year
1. Visual basic Assignment
Submitted By
Sachin Foujdar
BCA – 3rd Year
Dezyne E’ cole College
106/10, Civil Lines, Ajmer
Tel: 0145-2624679
www.dezyneecole.com
A WORK REPORT SUBMITTED
IN PARTIAL FULLFILLMENT OF THE REQUIREMENT FOR
THE DEGREE
Bachelor of Computer Application
2. Acknowledgement
This application(Notepad) create in “Visual Basic” was developed at
Dezyne E’cole College.
The Following code represent is based on event driven programming
concept that are based on concept of event that are perform and executed
at run time.
During the making of this project I have learnt a lot and I thank my mentor
Mr. Tarun Sharma for helping us during the making of project.
I thank my college “Dezyne E’cole College” for having conducted this
“Identity” exhibition for helping us to bring out our skill.
With due Regards,
Sachin Foujdar
BCA 3rd Year
3. In the following pages I am showcasing my work.
Dim rp, fp, a As Variant
Dim m%, b%, c%, fd%, d%
Option Explicit
Const maxUndo = 50
Dim gblnIgnoreChange As Boolean
Dim gintIndex As Integer
Dim gstrStack(maxUndo) As String
Dim stackBK(maxUndo) As String
Dim i As Integer
Private Sub copy_Click()
Call mcop
End Sub
Source Code
NOTEPAD APPLICATION
4. Public Sub mcop()
Clipboard.SetText RichTextBox1.SelText
End Sub
Private Sub cut_Click()
Call mcut
End Sub
Private Sub edit_Click()
If RichTextBox1.SelLength = 0 Then
cut.Enabled = False
copy.Enabled = False
delete.Enabled = False
selectall.Enabled = True
ElseIf RichTextBox1.SelLength =
Len(RichTextBox1.Text) Then
cut.Enabled = True
copy.Enabled = True
delete.Enabled = True
selectall.Enabled = False
Else
cut.Enabled = True
copy.Enabled = True
delete.Enabled = True
selectall.Enabled = True
End If
If Len(Clipboard.GetText(1)) = 0 Then
paste.Enabled = False
Else
paste.Enabled = True
End If
End Sub
5. Private Sub munpop_click()
If RichTextBox1.SelLength = 0 Then
munc.Enabled = False
muncop.Enabled = False
mundele.Enabled = False
munsele.Enabled = True
ElseIf RichTextBox1.SelLength =
Len(RichTextBox1.Text) Then
munc.Enabled = True
muncop.Enabled = True
mundele.Enabled = True
munsele.Enabled = False
Else
munc.Enabled = True
muncop.Enabled = True
mundele.Enabled = True
munsele.Enabled = True
End If
If Len(Clipboard.GetText(1)) = 0 Then
munpst.Enabled = False
Else
munpst.Enabled = True
End If
End Sub
Public Sub mcut()
Clipboard.SetText RichTextBox1.SelText
RichTextBox1.SelText = " "
End Sub
Private Sub delete_Click()
Call mdel
End Sub
6. Public Sub mdel()
RichTextBox1.SelText = ""
RichTextBox1.SelText = ""
End Sub
Private Sub exit_Click()
Unload Me
End Sub
Private Sub munc_Click()
Call mcut
End Sub
Private Sub muncop_Click()
Call mcop
End Sub
Private Sub mundele_Click()
Call mdel
End Sub
Private Sub munfind_Click()
fd = InputBox("Enter Word", "Find")
RichTextBox1.Find (fd)
End Sub
Private Sub munfindnext_Click()
Form4.Show
End Sub
Private Sub Form_Load()
Form1.Caption = "Untitled-Notepad"
m = 1
RichTextBox1.RightMargin = Screen.Width - (Screen.Width -
RichTextBox1.Width - 6000)
End Sub
Private Sub Form_Resize()
7. RichTextBox1.Width = Form1.Width - 300
RichTextBox1.Height = Form1.Height - 1140
End Sub
Private Sub helptopics_Click()
On Error Resume Next
With CommonDialog1
.Flags = 1
.CancelError = True
.ShowHelp
End With
End Sub
Private Sub munfont_Click()
On Error Resume Next
With CommonDialog1
.Flags = 1
.CancelError = True
.ShowFont
End With
RichTextBox1.Font.Name = CommonDialog1.FontName
RichTextBox1.Font.Size = CommonDialog1.FontSize
RichTextBox1.Font.Bold = CommonDialog1.FontBold
RichTextBox1.Font.Italic = CommonDialog1.FontItalic
RichTextBox1.Font.Underline =
CommonDialog1.FontUnderline
RichTextBox1.Font.Strikethrough =
CommonDialog1.FontStrikethru
End Sub
Private Sub munpst_Click()
Call mpas
End Sub
8. Private Sub munsave_Click()
On Error GoTo Label
Dim ifile As Integer
Dim savefile As Boolean
Dim txtbox As Object
Dim filepath As String
Dim append As Boolean
With CommonDialog1
.Flags = 1
.CancelError = True
.Filter = "Text Document(*.txt)|*.txt |All Files(*.*)|*.*"
If m = 1 Then
m = m + 1
.ShowSave
End If
End With
ifile = FreeFile
If append Then
Open CommonDialog1.FileName For Append As #ifile
Else
Open CommonDialog1.FileName For Output As #ifile
End If
Print #ifile, RichTextBox1.Text
savefile = True
Label:
Close #ifile
Form1.Caption = CommonDialog1.FileTitle + "-Notepad"
End Sub
Private Sub munsele_Click()
Call msel
End Sub
9. Public Sub und()
If gintIndex = 0 Then Exit Sub
gblnIgnoreChange = True
gintIndex = gintIndex - 1
On Error Resume Next
RichTextBox1.TextRTF = gstrStack(gintIndex)
gblnIgnoreChange = False
End Sub
Private Sub new_Click()
On Error Resume Next
If RichTextBox1.Text <> "" Then
a = MsgBox("Do you want to save the changes?",
vbYesNoCancel + vbQuestion, "Save")
If a = vbYes Then
With CommonDialog1
.CancelError = True
.InitDir = "E:"
.Filter = "Text Documents(*.txt)|*.txt | All
Files(*.*)|*.*"
.ShowSave
End With
RichTextBox1.Text = ""
End If
If a = vbNo Then
RichTextBox1.Text = " "
End If
End If
End Sub
Private Sub notepad_Click()
Form2.Show
End Sub
10. Private Sub open_Click()
On Error Resume Next
With CommonDialog1
.CancelError = True
.InitDir = "E:"
.Filter = "Text Documents(*.txt)|*.txt| All Files(*.*) | *.*"
.ShowOpen
End With
RichTextBox1.LoadFile (CommonDialog1.FileName)
End Sub
Private Sub paste_Click()
Call mpas
End Sub
Public Sub mpas()
If Clipboard.GetFormat(vbCFText) Then
RichTextBox1.SelText =
Clipboard.GetText(vbCFText)
End If
End Sub
Private Sub print_Click()
On Error GoTo Label
Dim b, e, n, i As Variant
With CommonDialog1
.Flags = 1
.CancelError = True
.ShowPrinter
b = .FromPage
e = .ToPage
n = .Copies
End With
For i = 1 To n
11. Printer.Print RichTextBox1.Text
Next
Exit Sub
Label:
Exit Sub
End Sub
Private Sub replace_Click()
Form3.Show
End Sub
Private Sub RichTextBox1_Change()
Dim g As Integer
Dim b As Integer
Dim i As Integer
g = maxUndo
If Not gblnIgnoreChange Then
gintIndex = gintIndex + 1
If gintIndex >= maxUndo + 1 Then
For b = 0 To maxUndo
stackBK(b) = gstrStack(b)
Next b
For i = 0 To maxUndo
If g >= 1 Then
g = g - 1
gstrStack(g) = stackBK(g + 1)
End If
Next i
gintIndex = maxUndo
End If
12. gstrStack(gintIndex) = RichTextBox1.TextRTF
End If
End Sub
Private Sub saveas_Click()
On Error GoTo Label
Dim ifile As Integer
Dim savefile As Boolean
Dim txtbox As Object
Dim filepath As String
Dim append As Boolean
With CommonDialog1
.Flags = 1
.CancelError = True
.Filter = "Text Document(*.txt)|*.txt |All Files(*.*)|*.*"
.ShowSave
End With
ifile = FreeFile
If append Then
Open CommonDialog1.FileName For Append As #ifile
Else
Open CommonDialog1.FileName For Output As #ifile
End If
Print #ifile, RichTextBox1.Text
savefile = True
Label:
Close #ifile
Form1.Caption = CommonDialog1.FileTitle + "-Notepad"
End Sub
Private Sub selectall_Click()
Call msel
End Sub
13. Public Sub msel()
RichTextBox1.SelStart = 0
RichTextBox1.SelLength = Len(RichTextBox1.Text)
End Sub
Private Sub statusbar_Click()
If statusbar.Checked = True Then
statusbar.Checked = False
StatusBar1.Visible = False
RichTextBox1.Height = Form1.Height - 850
Else
statusbar.Checked = False
statusbar.Checked = True
StatusBar1.Visible = True
RichTextBox1.Height = RichTextBox1.Height - 375
End If
End Sub
Private Sub timedate_Click()
RichTextBox1.SelText = Now()
End Sub
Private Sub undo_Click()
Call und
End Sub
Private Sub VScroll1_Change()
RichTextBox1.RightMargin = 0
RichTextBox1.Left = 0
End Sub
Private Sub wordwrap_Click()
If wordwrap.Checked = True Then
wordwrap.Checked = False
RichTextBox1.RightMargin = Screen.Width -
(Screen.Width - RichTextBox1.Width - 1000000)