Richtextbox-how To Limit Input Of Text
Mar 11, 2010
I have a big issue which I have been struggling with for days now. I have a richtextbox where users Can input text and print it.
My problem is that i don't want to allow more than one page to be printed so i need to prevent the users in inputting more text than what fits to one page.
I have word wrap set to True which means that i really can't count the lines since they are determined by number of return/enter hits. I can't set the character to a max because blank Lines and spaces Can cause this to differ very much.
What i really need i a way to prevent the users in inserting more text than would fit inside the richtextbox frame and the frame may not be resizeble.
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Nov 19, 2009
I am trying to have a program where when I press a button it will grab a text from a website and input it into a richtextbox one new line for the next thing
Example:
if the site has...
000.00.00.000 :0000
000.00.00.001 :0000
etc..
Then I want on button start it will go to that site and put the information into the richtextbox.
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May 6, 2009
When you push a button, i want to make that a text will come in a richtextbox. etc., when you push the button, "hello, my name is NAME" will appear in the richtextbox.
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Jun 14, 2010
I want to put some text in rich text box and want to control the colour of it.
E.g.: "Here is blue, and here is red!"
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Jan 1, 2010
I am reading text from a file (*.TXT) 1 line at a time using streamreader. As I read that input, I am looking for specific starting and ending character strings ("<" and ">") . When I find those strings, I would like to select the characters between those string and have it set to BOLD and BLUE before appending that input line to the contents of a richtextbox.The only way I have found to do this is to first append the input line to the richtextbox then use the richtextbox.selection (color and font) methods to change the text.
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Apr 30, 2012
I was wondering if there is a way to modify the limit on the number of undo/redo actions a RichTextBox is capable of performing. It seems as though the limit is around 100, and I really need to increase this because of the demands of my application. I have text formatting (Bold, Underline, etc.) in my application, and since you can change the font of the text, I need to loop through the characters in the SelectedText one-by-one and apply the correct formatting to them in order to prevent any errors from appearing. Every time a single character is formatted, it counts as an action. As you can imagine, this quickly adds up and therefore makes my undo/redo features not as useful as I'd hope with the 100-action limit. Does anyone have any suggestions for me?
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Jun 26, 2010
How can I make a textbox in which can be only typed a number like 12.00 or 1231231.00 or 123123
I've done this in a very long way and I'm looking for the best and fastest way.
Also the decimal separator must be culture specific.:
Application.CurrentCulture.NumberFormat.NumberDecimalSeparator
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Mar 11, 2011
I have 200 dynamic textboxes.
I am trying to limit the user input to exactly 5 characters ( not more, not less ), and numeric only.
I have been trying this :
Private Function txtValid()
Dim str As String
For Each txt As TextBox In Panel1.Controls
[Code]....
But it always shows the last messagebox. Not all 200 textboxes will be filled in, so I suspect that it may have something to do with that, but I just need to stop the user from entering alphabetical characters, and the entered field must have a length of 5
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Feb 25, 2011
I have a maskedtextbox that i want to limit character input in it but i can't manage to figure it out.The date type is "yyyy-mm-dd" and the mask is "1300/00/00" (it is not gregorian calender, it is persian )In the TextChanged event i am changing the bindingsource filter.Because of this i don't want the user enters invalid date. For example the user enters 9 in here : "1300/90/00" i want to prevent this from happening before TextChanged event occur. (the place isn't important i just want to stop user from entering an invalid month or day)I have tried the KeyPress event but i don't know how to detect where in the textbox user is entering a character.
Note that i know already how to validate and i have a code for that but the TypeValidationCompleted event occur when user does all changes and leave the textbox.
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Jan 19, 2012
I'm currently coding a ASP.NET web application using VB.NET. I'd like to know how to limit the input of the regular expression validator to numbers only (with specific number of digits e.g 7-20 digits).
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Sep 29, 2009
How can we limit the textbox to input ONLY three numbers and three letters?
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Jan 23, 2012
How can i limit the user to input only one period in textbox cause in my textbox the user can input may periods on it??
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Apr 17, 2012
I have a text box that I only want the user to enter A, B, C or D (it'll give an error msg if anything else is entered)
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May 6, 2010
How do I code in vb.net that the text box can only accept 10 inputs from the user. User can only enter 10 strings.
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Aug 19, 2009
I have a word (2003) document containing many Activex textboxes which are used to apply a character limit to the users input. Sometimes users want to paste data into the textbox from another source ks fine, but if they try to do it via the Edit menu then the textbox is deleted and replaced with the pasted text
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Apr 14, 2012
I am trying to auto tab to the next text box after my limit of characters has been reached in a text box. Visual Basic 2010 Can this be set in the properties? I have 7 boxes, each allowed to hold only one character.
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Apr 4, 2012
i have one more issues, and hope is the last for now. How can I limit a textboxe's input to only numerical with certain range of values (eg -10 to 10) and with that happening while I type in the values?
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Apr 16, 2009
I am using a RichTextBox to allow user data input.I need to allow a user to select all, and change the font value of the text within the RichTextBox.
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Feb 19, 2012
If my Category and Forum selection is incorrect I am sorry and feel free to move it. I'd like to have the users input in the message box that will show. For example: There is a textbox and the user puts in their name as Bob. Then the message box would be: What my main goal is, is being able to include the users input they type inside the textbox inside the message box.
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Jul 25, 2011
I am creating a text editor like notepad. Well its an advance type because it is a tabbed notepad type. It saves html files.
I only created tabcontrol on the design time named TabControl1. the tabpages and the richtextbox are created on the form load and when adding tabs. [code]...
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Jul 26, 2011
I have 2 forms. The 1 is named frmMain. inside of it is a Richtextbox named RTB.
The other form is named frmInsert. Inside of it is a Richtextbox named rtbtext.[code]..
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Feb 23, 2010
I am writing a basic math program where some textboxes are input and some are result data. I would like the result data to be limited to 2 decimal places.
[code]...
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Aug 4, 2011
How can I limit the dynamic text boxes. I need it to limit to a specific number.
Here's the code of adding the textbox.[code]...
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Feb 3, 2010
I have written a custom Bindable RichText Box, so I can bind to the Document property. However, as soon as I set my document content, the only keyboard input it accepts is the backspace key (???). No other keyboard input is acknowledged (including the arrow keys).
[Code]...
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Jul 21, 2011
Okay, I've got a datagridview in my WinForms app that auto-builds the column list from a datatable schema. It's working fine, except that it allows the user to enter values too long for the database field. For example, I have a "name" field that is defined in the Sql-Server database as a varchar(50). Is there any way to limit that cell (column?) so that it only accepts 50 characters? Right now it lets them enter anything and throws an exception later.
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Jan 11, 2012
I need to limit the 1 line text entered in a XtraGrid repository editor to its column fixed width. I cannot use a monospaced font and MaxLenght because this field will be shown in a report.In KeyPress event handler I tried to create a Label, put the string on it and compare its PreferedSize. Width to the column's Width. It almost worked well but is not easy to control Paste operations if I have to remove the exceeding chars (f.ex.: if I change the text value, the cursor jumps to 0).I also tried using ActiveEditor. CreateGraphics. Measure String but cannot get it to draw(measure) the text the same way DevExpress does.If I could catch a Before_WordWrap event it would be a solution.
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Jan 6, 2011
I want to let the user input objects to a richtextbox 1 object on each line, and somehow use Random.Next to select pseudorandomly a few objects, the number 'few' inputted in a textbox.
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Jul 11, 2011
My application appends incoming report data onto a RichTextbox control. As more text arrives from an external device, the thumb initially fills the trough and as times goes on, the thumb diminishes in size. This is expected behavior.A modal dialog box allows the user to cancel the file download but since it's modal, the user can't scroll down to see what the last text that was appended.Is there a property/event/method that will show the most recent/last text in the RichTextBox control, rather than the initial text as I have it displayed now? The user would be able to see the text drawn real time without having to use the thumb to accomplish
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Jul 26, 2010
I have a winform with richtextbox. I want to get the user input values in any window like chat programs(msn,yahoo,gtalk), Ms Word,...etc, and set the values into richtextbox?
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Feb 19, 2011
I'm making a custom control that needs to look like a Text Box but I can't Inherit Directly from text box since I need to add, Change and Override so many things that it would be more practical to just inherit Control and start new.
But now my question is: Is there an easy way to create the basic functionality of a Text Box like drawing the Text Box and handling input ?
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