SelectionStart Property Not In Textbox Control
Aug 19, 2009
I'm trying to use the SelectionStart property in a textbox (VS 2003, SP1). The build doesn't flag use of the property, and the app runs, but the SelectionStart code just doesn't work: Textbox1.SelectionStart = 20000 (just want cursor to go to the end of box, and there are never that many characters in box)
The object browser reveals that the SelectionStart property is not included in the System.Windows.Forms textbox control I'm using. SelectionLength is there, but not SelectionStart. The control is inherited from TextBoxBase, which does contain the property -- it just isn't translated into theTextBox control. MultiLine is set to true.
[Code]...
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May 25, 2011
It is possible to override textbox properties like selectionstart property
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Jun 9, 2010
How can I get the SelectionStart value for a control in the Form_KeyPress event?
Form1.KeyPreview = True
Form1.KeyPress
Dim X as Integer = ActiveControl.Selection {gives error}
Dim X as Integer = TextBox1.SelectionStart {this works OK BUT will only work for one control because it is hardwired to TextBox1}
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Feb 15, 2010
I've created my own textbox control which has a property called 'StatusBerText'. The idea is when the control has focus an event is raised and the text is shown in the status bar.
Below is my code which works, it starts with me.controls and looks for my textbox to add the handler. If it comes across a container it then starts again looping through all the controls in the container.
Private Sub NewCompany_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
SetControls(Me.Controls)
End Sub
Private Sub SetControls(ByVal obj As Object)
[Code]...
As I said this all works, however, I would ideally like to put the 'SetControls' in a class so I just call it in each form rather than having to paste the entire code in all the time. To do this I will need to pass the address of the StatusBarChanged function through, is this possible?
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Jan 13, 2010
I want to add a custom property to a button in window form. Currently i am using following code to create my logic. but i want to create an enum value for a button control.
btnPartyDetails.Text = "View";
{}
btnPartyDetails.Text = "Add";
{}
[Code]...
I want to do something like this, where ActionType will be my enum.
I also want to create custom event based on the value set. How can i do this ?
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Jul 18, 2011
Does vb 2010 have a 'REQUIRED" property or control that allow you to make a textbox a "required" field? I googled and saw something about required property in controls in toolbox but somehow I could not find it anywhere in my vb 2010 toolbox. Would it be easier to write it? Does anyone have sample code?
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Apr 18, 2009
With my form I have a datagridview, and from the datatable the data's are loading to datagridview.But the problem is when it's getting focus, it's selecting the whole contents of the cell of column(0) & Row(0).But I want to select like textbox
TextBox12.SelectionStart = 0
TextBox12.SelectionLength = 0
So the prompt will be in the starting position of cell...Is it possible for datagridview cells?My codings for datagridview
DataGridView1.DataSource = ds52.Tables(0).DefaultView
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Jun 11, 2011
I am using the richtextbox selectionstart and selectionLength property for finding some text but its not working.[code]I am also use therichtextbox.Find () method but its not working.
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Aug 3, 2010
I have a dataview an i would like to show the count property in a text box.
i tryied the following
me.textbox1.DataBindings.add(new DataBindind("Text",DataView,"Count"))
But i have a exception.
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Nov 18, 2009
I want to type the characters from right to left (to behave as a right alignment). But I am not supposed to use the Right Alignment property or the RighttoLeft property of a text box.For example, I want to enter the characters of a string from right and each character should shift one space left so that the user can enter another character after that.
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Dec 11, 2009
I would like to be able to set Control visual properties such as color, boarder, flat style, etc. on the base class of the control so that as I add new instances of the control, each instance inherits the visual properties of the base. I have tried using Application Settings but it appears as though I need to reference an application setting manually each time I add the control to a form. This is a Windows Form question.
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Feb 16, 2011
I'm trying to make a program with transparent labels over pictureboxes and when I set the label Parent to the PictureBox the position of the label changes.
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Jun 17, 2010
i frequently have troubles with the dock property. it seems that either the order of creation or adding to the parent control determines whether or not a control's dock property supersedes another's. e.g. a control with the dockstyle fill will overlap with another docked control on the same parent. does anyone know what the rules are to determine how docking will behave; particularly in dynamically created GUIs?
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Jun 6, 2012
Is there a way to bind the text property of a control to an expression? I have a user control that I add to a FlowLayoutPanel. You can see I have 4 controls in the FlowLayoutPanel below. The first control is a LinkLabel and the other three are my user controls which are numbered 1, 2, & 3. I'd like to bind the label that shows the 1, 2, or 3 to the user controls index within the FlowLayoutPanel.
If I happen to remove the 2nd user control I want the 3rd user control to now display 2. I could use the FlowLayoutPanel ControlAdded or ControlRemoved events, but wanted to see if I could do some binding first.
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Dec 30, 2011
If I need access to the value of a user control's property BEFORE PreRender, would I need to base the custom control off of one of the preexisting data controls (repeater, listview,etc.)?One of my user controls features a gridview control that is configured based on the user control's properties on which it resides. Several of the key properties alter the SQL Statement for the underlying recordsource. I'm now in a situation where the property that sets the WHERE statement for the SQL Statement needs to tied to a value in the user control's parent FormView. Think of the formview as displaying a customer detail record. The user control takes the customer's account number and then displays data from a related table such as Customer Contact Names. Since the gridview is created before the control's prerender event, working within the prerender event doesn't seem efficient.
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Mar 10, 2010
I inherits textbox Control and I added some new properties to it .one of these properties value i want it to change it's value in desgin time when i change Name property of the new textbox
Public Class NewTextBox
Inherits TextBox
Private _txtSubName As String = String.Empty
That is the property for set or get SubstringName of Textbox
Public Property SubName() As String
Get
Return _txtSubName[code].....
that's the property i want to change it's value when i change Name property of the control.i tried to overrides Name property but it's not overridable also i trieds to overloads it but it doesn't work in desgin time.Here is something i tried but it's wronge.
Private _txtName As String = ""
Public Overloads Property Name() As String
Get[code]......
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Jun 21, 2012
I have created a wpf vb.net project and am trying to set a simple databing. I'm not quiet sure how to set my DataContext = this; in the codebind. Currently when i run the program my Label never is updated. I have included my code below. [code]....
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Jan 5, 2010
maintain same distance between textbox & Label while resizing form, Is there any property to label or textbox.when we want same distance from form then we use anchor property but i want to maintain same distance from next control that is textbox. How i can maintain same distance while resizing form?
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Jun 13, 2010
I have Visual basic 2008 express and I have the next code:
[Code]...
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Jul 27, 2009
I want to be able to enter email addresses into a textbox and then add a semi colon ; between each email and then pass it to a an smtp function as one string. This is the code that I'm using, but it doesn't work. I'm not sure where the error is, but when I debug it the string remains the same without splitting it with a[code]...
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Feb 10, 2010
i want to set the CommandTarget property of menu item to the TextControl which is written in win form or just tell me any way which can execute the command lets say cut copy paste on the control which is written in win form user control and added to xaml through WindowsFormsHost
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Feb 18, 2012
I have a lot of control array textboxes called txt(1) to txt(320) on form2. I have a textbox1 on form1 with a click evet that says textbox1.text= form2.txt(1).text but it gives an error (txt is not a member of form2). I tried disabling option explicit, option strick and option infer. Still won't work. My code is to long for this place maybe a short version osf the code. Do I need to make a Public MyArray(15,15,15,15) as string, in the Module1 then copy txt(n).text to the array or is there a way to access txt(n).
Public Class Form2
DPrivate Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Loadim txtBox(340) As TextBox
[code]....
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Nov 17, 2010
I am trying to assign a dataset to the TAG property of a textbox control in my application. The code seems to do the assignment without any error but I cant see the property TAG name or the assigned value using quickwatch etc. etc. The TAG property name does show in the design window.
Is this property useable in my version (academic 2002 version 7.0) or does the TAG and any assigned value it holds not show in quickwatch. I can only find 1 reference which seems to suggest the TAG property is not supported in early versions, but would prefer a definitive answer.
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Aug 4, 2009
I want to give the user the ability to modify the font characteristics of a textbox on a form, using buttons. In the button click_event, I can successfully have the user change the font color to red directly:
[Code]...
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Nov 27, 2010
I seem to be having a problem binding the visibility property of a textbox to a database value using the advanced binding property.I found this article (BUG: Inconsistent behavior when you bind the Visible property of a Windows Form control to a Boolean field) stating there is a bug in some ol
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Feb 6, 2012
TextBox has an event for TextChanged that occurs after the Text property has been changed. I need my control to raise an event before the Text property is actually changed to validate data. If it is valid the Text can be changed, if it is not valid the Text does not get changed.
Here's what I tried:
Public Class TextChangingEventArgs
Inherits System.ComponentModel.CancelEventArgs
Private p_sNewValue As String
[Code].....
This works for programmatically setting the Text value of the BetterTextBox control, but it does not work when you are typing into the text box.
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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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Mar 11, 2010
I want to set Textbox1 to textbox 55 to .readonly =true by using says For loop,so i need not key in one by one. Any ways to do it?
I know sonthing like
For index As Integer = 1 To 55
Me.b.Controls("Textbox" & index).Text = index
Me.b.Controls("Textbox" & index).TabIndex = index
[Code].....
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Oct 14, 2009
i need textbox to have the property auto-size when i write anything more than its size textbox.width became bigger in order to display the letters or the digits is it possible ?
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Apr 19, 2010
I have a windows form which contains a textbox.I have a loop in my code doing some farly intensive work. In the middle of the loop I want to update my text box.text property on the form to let my users see some simple progress.
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