Richtextbox - .NET Rich TextBox Newline Character Removal?

Aug 19, 2009

I am using a Rich TextBox in VB.NET and passing to a StringBuilder. I need to replace the New Line character from the TextBox with either a space or a comma. Problem is the standard codes for new line don't seem to be picking up this New Line character in this case. Is there a specific character used in Rich TextBoxes as the New Line?

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Richtextbox - Checking Text In Rich Textbox

Dec 27, 2011

I'm using a Rich Textbox in my vb.net application on update form to take address value. My update query is generated at run time looping through the textboxes on the form and checking which fields have got some value and the corresponding fields are updated in the database. For Each x As Control In Me.Controls

[Code]...

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Removal Of Character Less Than Asc(32)?

Sep 8, 2011

Data comes into the project from various sources and sometimes I am seeing what looks like a tab character

in front of the actual data. Now I thought this would work, covering all eventualities. but I get

'Conversion from string "Z" to type 'Double' is not valid.'

check is declared as a string. If Microsoft.VisualBasic.Left(check, 1) < Asc(32) Then

[Code]...

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Add An Rtf Newline In A RichTextBox

Sep 15, 2011

I'm using a richtextbox in vb.net. I need to maintain the text formatting while inserting a new entry.I have this issue solved although I am having difficulty with getting a new line between my new text and the prior existing text.Most solutions online presume you're working with rich textbox. text which accepts controlchars.lf, vbcrlf, and chr(10)... even chr(13) adds one single newline.How do i get the newline in rtf formatting?I prefer to have the new text entered at the top of the richtextbox as a user should see the latest update first.In addition, if this can be done more elegantly, I'm open for suggestions.Where you see controlchars.lf is where I want an rtf-based new line to show up. [code]

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VS 2008 SerialPort Custom NewLine Character?

May 21, 2010

I have this sample code...

Private Sub DataReceived( _
ByVal sender As Object, _
ByVal e As System.IO.Ports.SerialDataReceivedEventArgs) _

[code]....

this displays in a text box the received data from a serial port. And it works like a charm but the data received has custom start and end of line characters. A line begins with chr(&H2) and ends with chr(&H3). What i want is on the text box those characters to be hidden and the chr(&H3) to start a new line.

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Can't Detect Newline Character In String Downloaded From Internet

Dec 22, 2009

The string is coming from this [url]...

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Add A Newline To A Windows-forms TextBox?

Aug 19, 2009

I am trying to add a line of text to a TextBox component in VB.net, but I cannot figure out for the life of me how to force a new line. Right now it just adds onto what I have already, and that is not good.I have tried copying the actual linebreaks, didn't work. I tried AppendText(), didn't work.

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VS 2005 Writing Rich Text Character To A File?

Sep 25, 2009

I have 2 files:

1.) fname (original file)
2.) TempHeader.txt (Header)

In my program, I'm reading each file with the StreamReader, then prepending the header onto the original file to create a 3rd file which is the combination of the two. My problem is that the original file contains the following:

[Code]...

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File I/O And Registry :: Each Line Of Textbox To A Newline Of Textfile?

Aug 24, 2009

i know i have to use a loop to get each line of the textbox onto a newline of a textfile but i dont know how to figure out how many lines of text the user has entered into a textbox. I tryed using a try statment to loop until it errors, it seems to work sometimes but other times it only takes half of the textbox and adds it to the textfile. And if atmaweapon reads this, i tryed to make better names for variables. Here is my code,

Code:
Path = ("Meals" & ComboBox1.SelectedItem & "" & TextBox1.Text & ".txt")
File = New System.IO.StreamWriter(Path)
If ComboBox2.SelectedItem = "1" Then

[Code]....

how many line of text there are... im not so shure how good it is to run a loop tell it errors for a textfile, but its the only way i could think of.

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Xml Files That Needs To Be Converted In To A Character Based On A Value And Entered In To A Rich Text Box?

May 29, 2011

I have over 4,000 xml files that needs to be converted in to a character based on a value and entered in to a rich text box. It will do this, until it runs out of files to read. I have tried "try" statements, "if" statements...

Imports System.Xml
Imports System.IO
Imports System[code]........

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Check If A Newline Exists In A Multiline Textbox (windows Forms)

Feb 11, 2009

I'm trying to count characters in a textbox, which includes newline characters and tabs. How do we know if the textbox contains only newline characters? ie or if the user types in one or more characters, then a bunch of "newline" characters (CR followed by LF) and then goes back and deletes the original one or more characters leaving only the leading "newline" characters. I don't want to count the characters in textbox only if new line exists..

If String.IsNullOrEmpty(TextBox1.Text) Then
Label5.Text = 0
Else

[CODE]...

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Select A Character By Position To Make Bold In A Rich Field Text Box In VB 2008?

Aug 2, 2010

I understand that within a rich field text box you can search for a string and then format that string, but I am looking to change the formating of a certain position in a string regardless of what character is at that position.Can this be done in VB 2008?

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How To Check The Text In A Textbox, Character By Character

May 9, 2010

My form has a texbox where user enters an ID. IDmust be4 chracters in length andof the form: begins with either "E" or "e" and the next 3 chracters cannot be "all characters".

Example:
E102 - corect
e3ff - correct

[code].....

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VB In Visual Studio 2008 - RichTextBox / Rich Text Format - Refer The Header And Footer

Apr 24, 2010

How do I reference the Header and Footer in a RichTextBox? And if I can't how do I access it in a file in RTF?

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Get Last Index Of New Line Character In Richtextbox?

Feb 28, 2011

I want to get the last index of new line character in the richtextbox

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Inserting A Unicode Character Into A RichTextBox?

Mar 24, 2011

I want to insert a special character into a RichTextBox. The character is in a Medieval Latin font (Andron) which is installed on my machine.

When I open MS Word and select Andron as the font, then go to Insert Symbol, then scroll down till I find the symbol I want, I see that its Unicode value is A752, selecting it inserts it into Word OK.

Now, back to my VB2005 project: I have a RichTextBox on my form, and the Font is set to Andron. I have two buttons on the form. Behind the first button I have this simple

RichTextBox1.Text = RichTextBox1.Text.Insert(RichTextBox1.SelectionSta rt, "a")

Clicking this button simply inserts the letter 'a' at the insertion point, fine.

Behind the second button I have this

RichTextBox1.Text = RichTextBox1.Text.Insert(RichTextBox1.SelectionSta rt, ChrW(&HA752))

However, on clicking this button I get the ubiquitous square symbol, as if it cannot find that character, which is odd (to me) as the correct font is selected for the RTB, and that code is the correct code for the symbol I want.

Edit to add: I can now see that all characters up to Ascii (Decimal) 255 (which equates to Unicode 00FF) all display OK, but any value over that does not.

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Bold Text In A Textbox Or Rich Textbox?

Mar 9, 2011

How do I do text formatting in a Text Box? I want to bold a selection on a textbox without affecting the rest of the text. HOw do I do this with Textbox and RichText formattting?

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RichTextBox - How To Replace Character / Word In Text

Feb 17, 2012

How can I replace character/word in text (loaded to richboxtext) but only for those which are not on the "block" list ?
Dim str As String = RichTextBox2.Text
RichTextBox3.Text = str.Replace("1"c, "A"c)

But I want add list of words which should be excluded. I thought that I can do something like :
Dim str As String = RichTextBox2.Text
If Regex.IsMatch(RichTextBox2.Text, "shows") Then
Else
RichTextBox3.Text = str.Replace("%"c, " "c)
End If
RichTextBox3.Text = str.Replace("1"c, "A"c)
Dim str2 As String = RichTextBox3.Text
RichTextBox3.Text = str2.Replace("2"c, "B"c)

But it's not working as it will just skip replace of % for whole text and I want just just exclude particular word from list from being replaced...

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RichTextbox - How To Mark Cursor To Stick In Character Position

Mar 7, 2011

I am using a WPF richtextbox to create a syntax highlighter for code provided in a textbox. I want to have it automatically adjust the rich textbox as I am typing, using a thread timer I reset the contents of the rich textbox. I am trying to keep the cursor where it is suppose to be. I don't loose any text characters during the parse (except line breaks).

I don't know how to keep the caret position where the user has left it in the text. It defaults to the end of the document. I attempt to store the current caret position in the text and then set it to the document after I make my changes, however the error I receive is "Cannot set CaretPosition to be outside of RichTextBox." So I set the caret position to the bottom of the document.
WPF, VB.net, .net Framework 4.0

Here is the code.
Public Sub FormatText()
If IsNothing(rtfContent.Document) Then
Exit Sub
End If
Me.rtfContent.IsEnabled = False
[Code] .....

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VS 2010 Insert Unicode Character In A Richtextbox Via Code?

Nov 9, 2011

I have a TrueType font in my PC. And there are some unicode characters in it which I want to insert it into my RichtTextBox. The CharMap in WindowsXP shows the unicode character as U+00CC and to the right, it also displays the KeyStroke as Alt+0204So, how do I insert this unicode character in RichTextBox ? Also, if I'm going to distribute this small program along with this particular font, will this end system can easily display the unicode characters ? Or do I have to set any regional settings in that PC to

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Rich Textbox And Ms Sql

Mar 11, 2010

i just want to know if it is possible to store the formatting of a text to ms sql so that the next time i retrieve a record that i've already formatted, it will display the format that i did for that record.if possible, how would i implement it in mssql?

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Modifying The Rich TextBox

Sep 1, 2011

I've got to do some special things with a RichTextBox. I have to add syntax highlighting and I need

to be able to find out what character was added/removed/inserted at what position every time a key

is pressed. Is there some way to edit the existing, or is there a open source (.net compatible,

preferably VB.net) available for download? I've tried making my own, the problem is, it has to have

every function normally available and I don't have enough time to implement all of that.

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New Line In A Rich TextBox?

Oct 21, 2009

Okay so I've got something, where when a button(Button1) is pressed, Text Appears in the RichTextBox When you press Button2, I want more text, in the same textbox, to be on a different line. I can get the text on the SAME line, but not a different one.

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Change Color In Rich Textbox?

Sep 30, 2010

I am trying to change color of a selectedtext in Rich TextBox.When user check color radio button it should change the color of the selected text.I have 4 radio buttons inside groupbox.Can someone tell me how do i select text and change color.Below is my code but its not working as expected.[code]....

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Disallow Enter Key In Rich Textbox?

Feb 8, 2010

The message box shows up, indicating I have selected the enter key, but a return is also aoolied to the rich text box.[code]...

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Formatting The Text In The Rich Textbox?

Feb 4, 2011

How to make the selected text in a RichTextBox Bold,italic,underline ,change its color to red, Font to "Lucida Sans Unicode" and Text size to 18pt.

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Forms :: How To Write In A Rich Textbox

Jul 4, 2010

what's the method for writing string into a richtextbox.

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Read Line 3 From Rich Textbox?

Feb 23, 2009

how can i read line 3 from rich textbox?

like, how do i show messagebox with only the text of line 3?

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Rich Textbox Rightmargin Property

Apr 27, 2009

Basically I'm writing a little piece of photo-editing software and I would like the user to be able to write whatever they want as a caption for the photo. VB then writes that text in a blank space created under the picture. Pretty straightforward, I've got it printing the text and it can adjust for height differences (i.e. multiple lines of text, smaller fonts, etc.).

My issues arise in the horizontal direction, I cannot make the Richtextbox large enough to represent the width of the photos (Some pictures have dimensions several thousand pixels wide and most monitors cannot display that many...) so I have used horizontal scroll bars (wordwrap off) to allow the user to scroll across and see all the text. Now what I would like to do is to set a limit to how much text the user can enter on a line (based on pixels to accommodate for various fonts/sizes) and it seems to me that setting the .RightMargin to just a little less than the picture dimension (to allow for padding) should do just that. [Code]

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.net - Create A Context Menu In A Rich-Textbox?

Feb 5, 2011

how to create a context menu in a rich-Textbox. I want Cut, Copy, Paste options when I right click on the rich-text-box

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