I'm a little late to the game here, but the FileSystemObject that is part of the Microsoft Scripting Runtime (scrrun.dll) can be pretty useful for this. Public Function ReadTextFileAsString(INsFilePath As String) As String Dim myFSO As Scripting.FileSystemObject Dim myTextStream As Scripting.TextStream Dim myString As String 'Create a new FileSystemObject Set myFSO = New Scripting.FileSystemObject 'Make sure file exists: If myFSO.FileExists(INsFilePath) Then Set myTextStream = myFSO.OpenTextFile(INsFilePath, ForReading) myString = myTextStream.ReadAll Call myTextStream.Close End If 'Assign Return Value ReadTextFileAsString = myString 'Make sure to clean up when done. Set myTextStream = Nothing Set myFSO = Nothing End Function There are a number of other methods available for getting data from the text stream. You can also read a certain number of characters at a time, or line-by-line. You will need to add the Microsoft Scripting Runtime into your project references, but it is really very useful.
I will refer you a different method to read and import the content to your form window public sub readfile Dim rtc As TextBox = New TextBox rtc.Multiline = True rtc.ScrollBars = ScrollBars.Both rtc.Width = 400 rtc.Height = 200 Me.Controls.Add(rtc) rtc.WordWrap = True Dim FILENAME As String = 'C: Users vcidex92 Desktop suji me.html' If System.IO.File.Exists(FILENAME) = True Then Dim objReader As New System.IO.StreamReader(FILENAME) rtc.Text = objReader.ReadToEnd objReader.Close Else MsgBox('File Does Not Exist') End If end sub.
In VB6, I have a string that may have unicode characters, I want to write it as an ANSI stream, converting any non-ANSI characters to question marks (or spaces, whatever the user chooses). The basic 'conversion' code in VB6 would be: For i = 1 To Len(strSrc) sChar = Mid(strSrc, i, 1) If (AscW(mid(strSrc,i,1)) 255) Then Mid(strSrc,i,1) = '?' End If Next i However, since this would be very slow in VB, I have written this in C, where I pass strptr(strSrc), and the C routine looks for any 2-byte int's that are 255, and converts them to '?' (whatever that is in ASCII) as an int. Looking at a memory dump, it appears that chr(150) = 0x13 0x20 and chrw(150)=0x96 0x00 I don't know much about VB but I am pretty sure that you made a wrong conclusion from that dump. The dump was made cause the expression 'hi' & ChrW(150) chr(150) = 0x13 0x20.
Processing a byte array in Vb is much faster than using Midr. Following code will replace Unicode chars with character of your choice. Demo replaces with '?' Option Explicit Private Sub FormLoad Dim sUni As String Dim sAnsii As String sUni = 'CHS: ' & ChrW$(&H6B22) & ChrW$(&H8FCE) sAnsii = RemoveUni(sUni, 63) 'Replace with '?'
Debug.Print sAnsii End Sub Public Function RemoveUni(ByVal s As String, ByVal ReplaceWith As Byte) As String Dim i As Long Dim bLen As Long Dim Map As Byte If LenB(s) Then Map = s bLen = UBound(Map) For i = 1 To bLen Step 2 If (Map(i) 0) Then 'Is Unicode Map(i) = 0 'Clear upper byte Map(i - 1) = ReplaceWith 'Replace low byte End If Next End If RemoveUni = Map End Function Select all. Thanks for the replies. Danaseaman: Sub t3 is illustrating the point (or my misconception). I am trying to write an ANSI/ASCII file (and NOT Unicode), and believe that ChrW(150) should be in the ANSI (.
C# Read Unicode Text File
cannot be written to an ANSI file using the TextStream???? Why do you want to write a UNICODE to an ANSI file. That makes no sense. After you converted to ANSI you can write the char. Ofstream ofs('ansi.txt'); char sa110; i = wctomb(sa1, 0x0096); return 1 (ok) ofs we need info from someone who understands VB6's chr vs. Chrw You should decide whether to go C or VB6. It makes no sense to put VB6 knowhow into C and vice versa.
Note, the code 150 is an ANSI code. ANSI is mapped into the first 256 codes of the UNICODE code table. But as UNICODE is a double-byte charset each second (high) was padded up with a binary zero. If you treat such a buffer as ANSI string it was terminated with the first padding zero char and only one single character was displayed. why doesn't TextStream write out chrw(150), That is the VB side, isn't it? Can you show the code that doesn't 'write out'?
Convert Unicode Text File To Ascii
I can only tell for the C side. If you have a text stream for ANSI, a wide char wouldn't print out cause any wide char in the lower ANSI table has a binary zero character as second byte what would terminate the string output. But you could convert form wide char to single char and output then, and it will work. Or you have a 'wide char' text stream, e. Wstringstream in C.
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Find Unicode Text File
Then wide chars would print out also. But wide stream with chars and char streams with wide char do not work.