VS 2005 Building A Custom Control
Apr 14, 2010
While implementing this article,i cant understand what they try to mean by this:Still in the Code Window, change the line that reads:Inherits System.Windows.Forms.UserControl So that it reads:Inherits System.Windows.Forms.Button..if i change this line of the designer form: Inherits System.Windows.Forms.UserControl to this: Inherits System.Windows.Forms.Button...then when i return to the designer,i am getting this error: The designer cannot process the code at line 22: Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) The code within the method 'Initialize Component' is generated by the designer and should not be manually modified. Please remove any changes and try opening the designer again.
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Jan 22, 2012
If we say blue is the default colour of the Backcolor property I understand it as if you don't specify a colour for Backcolor blue will be its colour. But I could not make sense of default property of a class in the context of building a custom user control. After calling an instance of a class we have to either call one of its members or assign an other object for it. Therefore why should there be a default property?
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Nov 9, 2009
What I would like to do now is well convert this somehow to a class. so I do not have to DirectCast the items. Is this possible?
Here is the original code that kleinma assisted me with:
Dim CtlLosArray(150) As ShieldLOSInfobox
CtlLosArray(0) = New ShieldLOSInfobox
CtlLosArray(0).Location = New Point(0, 0)
[code]....
Is there a way to make this into a custom class so that I can make things easier to manipulate? at least that is how I think it would be done.
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Oct 5, 2009
know of a custom tracing paper control?Unfortunately a goggle search didn't return anything i could use.
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Sep 4, 2011
A friend of mine called me to that we need a program for our club that when a member will enter in club gate so first of he will have a card upon which a barcode will be printed and through barcode reader his code will be scanned and will be find out that whether he is a temporary member or regular member or absent member or other. Only regular members are allowed to enter into club and allowed to avail all services of club. Now the question is that i dont know that how the custom barcode will be created and how the scanner will be controlled with vb.net?
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Mar 23, 2009
I created a custom control. I put it on a form with Dock = Top. I place a standard Windows Panel below it and set it's Dock = Fill. I would expect the top of the Panel to bump up against the bottom of the custom control, but instead, it goes underneath it and jumps all the way to the top of the form. This behavior does not seem to exist if I place two Panels on the form and set one to top and the other to fill. The second one bumps up against the bottom of the first one, as I would expect. But my custom control (from UserControl) does not seem to work this way. Do I have to set something special on my control?
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Jul 19, 2009
i created a custom control that accepts only datetime values. [url] but i'm having some issues with it when it is bound to a column and then i navigate through records. it seems to trigger a row-change to all navigated records even though i haven't manually change anything on these records.
this is affecting the last_update_date and last_updated_by fields of my tables. i need to only affect records that were manually changed. can anyone help me? also, any date field should be bound to the Value property of this control instead of Text. haven't figured out how to remove the Text from bindable properties yet.
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Feb 14, 2010
I created a custom control and add it to a form programatically.
The user can add and move them all over the form.
The problem is when I want to clear the form of my user control I don't know how.
I created an array of my control called ctlCorkNotes
Say I create ctlCorkNotes(1) and now I want to delete it.
How do I do this so it is gone and would have to recreate it to show up again?
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Aug 11, 2010
What actually is required to consider something installed on a machine. What happens in the background? I know VB offers an installer but Im trying to build my own from scratch. What do I need to do to accomplish this?
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Jan 17, 2012
I have a few free days during which I am trying to learn something. I posted my last question in Visual Basic IDE but no one has returned with any responses. Iam not sure if I am posting this too in the right forum!
I am trying to practise a chapter on Building Custom Windows Controls. But I don't have Windows Forms Control Library to start in my Visual Basic 2010 Express. I downloaded Umbraco but there is no visual interface to it. I can't afford to buy the Visual Basic proper edition. Programmerss
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Sep 4, 2009
I don't have a license for vs 2008, but I want to use the Packaging namespace in .net 3.0. What do I need in order to build .net 3.0 apps using visual studio 2005?
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Sep 23, 2009
I am building an application with VB 2005 with sql server. I am using a listbox to populate items from the database. The listbox Sorted property has been set to True and also the query uses order by clause on the Name field. The items in the listbox look like
Bean
Began
Cat
Category
Detail
Delta
MY problem is when the user tries to select an item, say Detail, having focus on the listbox, when pressing the keys D the item Detail selects but on next key e, it goes on to the Item starting with E. (in vb6 listbox property Sorted = true would solve this problem, which i am not getting with vb 2005/2008)
So, how can i achieve the multiple keypress on the listbox (without using any textbox to select items) to select the typed items in the list.
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Sep 2, 2009
A similar question has been asked before but noone seems to have an answer.I have an xsd which is fairly complex in nature.I must now create the xml file to be validated against it but I hate trying to interpret xsd. It's all gobbldygook to me.
Is there any way I can take an xsd file and create on the fly an example of what the xml file should look like?
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Aug 22, 2009
Well i finally finished my Maths Quiz project made using VB. Now, all i have to do is create a wizard that installs the program on the users pc.What i did was clicked bulild--->publish build then follow the simple instructions:location--->loadfromacd/dvd--->finish although when i went to install it, it didnt create a desktop icon although it creates it in the start menu as well as so thats good but it doesnt create a shortcut to the desktop is there anyway i can make it install a desktop icon when installing?
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Mar 22, 2009
I use VB 2005 Express @ home for developing stuff. I am wondering if anyone knows how to run a script automatically after building my application. When I click build I want it to compile my InnoSetup installer and also zip up my executable + readme.txt file into AppName-version.zip. Right now I manually do it, and it's not that big of a deal, but if I am just wondering if it's possible. I think I can do it with full VS, so I will check it at work, but I am wondering if I can write a plugin or something if VB2k5X doesn't have an option do it already built in.
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Dec 29, 2011
how to specify a custom icon for display in the toolbox window when you create your own custom control? Something other than the dreaded "gearbox" icon.
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Dec 26, 2011
building a ASP.NET profile wrapper to use with an ObjectDataSource control. I would like to have the serialized profile data that I have defined in web.config be accessible via a FormView control within a user control. I'd like the users to be able to view and update their profile data. I have part of the code but am lacking the experience to complete it. I'm using a aspx page with some text boxes and having users update via a simple form now but I need something more reusable and efficient, not to mention moving the logic to a middle tier. I see that the ObjectDataSource control has some intrinsic ability to view profile common data but that seems to be limited.
Namespace SiteMemberShip
Public Class ProfileWrapper
Private FirstName As String
Private MiddleName As String
[code]....
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Jun 10, 2011
I'm building a database control layer DLL for my project.HelpDB is the project.HDB is the class name.I've written a few methods for connecting to the db, querying, and the usual.I've recently included a public class HDB_ParamValue in HDB to handle query parameters.
[Code]...
Note 1: I'm moving from VB6, so you'll appreciate that I have little experience with this real OOP. If there is a link or article you can recommend that might answer this, recommend away!Note 2: I'm not concerned about databases and parameters per se, but more the _concept_ of class in a class (or class of a class).
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Feb 4, 2009
I'm building a web browser using the WebBrowser control in a normal vb form. I would like to add an option where the user can view the source code for the page like in internet explorer.
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Jul 11, 2011
I have an ASPX Custom Control which is supposed to load it's properties into an internal collection (defined with PersistenceMode.InnerProperty). Here's the ASPX
<cc:CustomControl runat="server">
<Queries>
<cc:QueryTypeOne ... />
[code]...
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Dec 11, 2008
building a server control that inherits button and giveing it other click capabilities
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Jan 11, 2010
I am using custom textboxes and I need to be able to set the Text on txb1 based on the Text of txb2. I have simplied my code to the following:
Public Class customtextbox
Inherits TextBox
Public Event ControlReset()
[Code]....
So, when txb1 looses focus, if its Text is "fried", then it sets off txb2's ProcessAlert function. I had tried to change the value of txb2 Text in ProcessAlert function, but didnt work, so I tried to get it to raise an event instead, which then tries to set the Text property. However I still cant set txb2's Text property. The Text property seems to be set for the duration of the "life" of the Event handler. When I step through the forms controls within the Event handler, the changed Text value is there, but not outside of the Event handler.
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Jul 29, 2009
I've created my own ascx control with button inside it. Now I'm using this control inside other control. (In my case it is a webpart). What I would like to do is program button.click logic from my custom control inside webpart
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Jul 17, 2011
Can a custom control NEW Sub be the only one that executes when Inheriting from an existing control please?I am Inheriting from TabControl and I do not want the base New Sub called, is this possible?In other words, I do not want TabPage1 and TabPage2 to be added.A Form has an Activated Sub which runs once a Form is activated.It is a pity that Microsoft have not got such a method in the baseControl Class otherwise I could have used it within a custom TabControl.
Public Class Form1
Private Sub Form1_Activated(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Activated
End Sub
[code]....
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Apr 29, 2010
We have a ASP.NET web application written in VB.NET where we build content programmatically during the Init event.We make extensive use of user controls, building them on the fly, and I now want to start including SilverLight content.Is there an easy way of embedding a SilverLight application in a control, and then instantiating the whole thing in code, in the same way as you'd programmatically add ordinary ASP.NET controls to a page?The SilverLight component itself works fine when added to a page using the <object> tag but I really want to be able to reuse it elsewhere in code.Since I'm expecting use of SilverLight to increase in our application, and the asp:Silverlight control seems now to be deprecated, I'm looking for an alternative way of wrapping the content.
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Nov 8, 2005
I got "Unrecoverable build error" when building setup project.I try the solution in [URL].. but did not work out.
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Nov 25, 2009
What I've done is create a User Control Library (Project) and I've added a single User Control to that project. The control contains a single FlowLayoutPanel, and I created a Property on the control itself to pass the FlowDirection from the Control to its FlowLayoutPanel child.
Build, reference, component appears in the Toolbox and everything works fine, but the property on the control does not appear in the Properties window when I go to edit it at design time.
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Dec 1, 2010
I want to create a server control that inherits System.Web.UI.WebControls.Button but gives it special capability, now what do i mean? i want my button to be a confiorm button that will work like so:
Renders to the page as a button of lets say cancel after the user clicks it i want to catch the click event (within the server control) and now after the click makeing the button not visible and makeing some kind of content placeholder (that will render from the server control) visible. that content place holder will have 2 buttons inside of it: yes and cancel. I want the programmer that adds this control to be able to register a function to the click event of the yes button. and the second cancel confirmation button should make the first button appear agian. (i know how to do this all in the client side but this time i need it all as server events)
My question is this: how do i catch the click event? i want it all to be handled inside the server control itself. so a programmer that adds this control wont have to worry about anything but just needs to register to the click event of the "yes" button.
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Jan 9, 2012
I want to understand N-tier architecture like when to use and so on.Also I would like to know about user control and custom control.
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Oct 5, 2009
I need create a custom propertyManager because i must implement a different behavior at validation.
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