Convert TXT file to Executable EXE

By | 2019-12-30

This code convert a TXT file to EXE file.

When you convert the file start the EXE and the old file will be typed (like TYPE command) This is really great code

NOTE : RUN THE .EXE FROM MS-DOS MODE

Create a label, a command button and common dialog control Change the Caption of the button to “Select a file” And that’s all

Dim a(14) As Byte
Dim i As Integer

Public Function HiByte(ByVal wParam As Integer)
   HiByte = wParam \ &H100 And &HFF&
End Function

Public Function LoByte(ByVal wParam As Integer)
   LoByte = wParam And &HFF&
End Function

Private Sub Command1_Click()
   
   On Error GoTo ErrHandler

   a(0) = 190
   a(1) = 15
   a(2) = 1
   a(3) = 185
   a(4) = 0
   a(5) = 0
   a(6) = 252
   a(7) = 172
   a(8) = 205
   a(9) = 41
   a(10) = 73
   a(11) = 117
   a(12) = 250
   a(13) = 205
   a(14) = 32
   CommonDialog1.Filter = "Text Files|*.txt|"
   CommonDialog1.Action = 1

   Open CommonDialog1.filename For Input As #1
   sourcelen = LOF(1)
   Close #1

   a(4) = LoByte(sourcelen)
   a(5) = HiByte(sourcelen)

   newfilename = Left(CommonDialog1.FileTitle, Len(CommonDialog1.FileTitle) - 4) & ".exe"
   If MsgBox("Are you sure you want to convert `" & CommonDialog1.FileTitle & "` to `" & newfilename & "`", vbYesNo, "Confirm") = vbNo Then Exit Sub
   Open CommonDialog1.filename For Input As #1
   Open newfilename For Output As #2
   t = Input(LOF(1), 1)
   For k = 0 To 14
      st = st & Chr(a(k))
   Next k
   st = st & t
   Print #2, st
   Close #1
   Close #2
   Label1.Caption = "Converted successful"
   Exit Sub

ErrHandler:

   Label1.Caption = "Error"

End Sub

Author: dwirch

Derek Wirch is a seasoned IT professional with an impressive career dating back to 1986. He brings a wealth of knowledge and hands-on experience that is invaluable to those embarking on their journey in the tech industry.

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