.NET Windows Forms Custom Designer Doesn't Refresh The Menu
Oct 26, 2011
I have created a custom designer (PannelloSfondoDesigner) for my custom control, a background panel (PannelloSfondo).
<Designer(GetType(PannelloSfondo.PannelloSfondoDesigner))>
Public Class PannelloSfondo
Inherits UserControl
[code]....
It works, I click the little arrow, the context menu appears:I click the menu item, the event is fired, the control is docked:but the menu description is not updated or refreshed (it should show "Undock from parent container"). Then if I click outside the control to deselect it and then I click back on the arrow to show the menu, the right menu item is displayed:How do I refresh the menu items?
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Nov 14, 2011
I've search the net in order to create a custom control but nothing I find is worth looking at, The main thing I want to do is create a skinengin via DLL and import it in my vb 2010 then using or creating some sort of skin builder where I can create a full setting file which contains all the details of the customization regarding the Form(Look, Feel and the controls such as a menu), I have used Iriskin and multiple apps doing this for me and when a user installs my application they still recieve a message about buying the registered DLL file, I would like to create it completely from scratch.
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Sep 3, 2010
We've recently upgraded from VS2008 to VS2010. The conversion of our vb.net Windows Forms app went well, but we're now having big problems with the forms designer.retty much any change to the layout of a form (sometimes just a solution rebuild) will work once, but on recompile, the IDE designer refuses to display the form, the error message being a null-reference exception (with no details as to what).Closing and restarting VS2010 will cure it, but only for one compile cycle - and it's obviously not practical to close and reopen every time. Closing and reopening the form does not fix it.
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Jul 9, 2010
I have a basic three form application. It doesn't seem to close after navigating through forms. If I were to open the application, and the main form is displayed. If I press the X button, the application closes fine(Goes from processes) If I were to open the application, and then navigate from the main form to another form using me.hide & form1.show, and press the red X on Form1, the application again, closes fine.
[Code]...
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Oct 6, 2009
I use the code about video capture of this site, it ran very well ! VB Helper: HowTo: Capture video from a video device such as a Webcam with VB .NET But I want to change the interface of form then after I customize my new one with button, picturebox (with the right name), copy the code again except this paragraph #Region " Windows Form Designer generated code "
[Code]...
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Jul 1, 2009
I know how to dock a component using the windows forms designer as well as through code but I am having a problem with one thing. I am trying to dock a richtextbox on a panel through code but it seems to be filling up all of the space instead of just the panel. When I put it on the form and dock it works fine. The code I am using is:
[Code]...
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Apr 20, 2010
With several forms of mine, I occasionally run into the following issue: I edit the form using the designer (Visual Studio 2008, Windows Forms, .NET 2.0, VB.NET) to add components, only to find out later that some minor adjustments were made (e.g. the form's size is suddenly changed by a few pixels), and controls get deleted. This happens silently — event-handling methods automatically have their Handles suffix removed, too, so they never get called, and there's no compiler error. I only notice much later or not at all, because I'm working on a different area in the form.
As an example, I have a form with a SplitContainer containing an Infragistics UltraListView to the left, and an UltraTabControl to the right. I added a new tab, and controls within, and they worked fine. I later on found out that the list view's scrollbar was suddenly invisible, due to its size being off, and at least one control was removed from a different tab that I hadn't been working on.
Is this a known issue with the WinForms Designer, or with Infragistics? I use version control, of course, so I can compare the changes and merge the deleted code back in, but it's a tedious process that shouldn't be necessary. Are there ways to avoid this? Is there a good reason for this to occur?
One clue is that the control that was removed may have code (such as a Load event handler) that expects to be run in run time, not design time, and may be throwing an exception. Could this cause Visual Studio to remove the control?
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Feb 10, 2009
In a windows forms class in Visual Basic 2008, there are several horizontal lines created with the lineshape control dragged from the toolbox. A very strange thing is happening with the horizontal lines. In the forms designer, all of the the lines (both horizontal and vertical) look fine, but when the program is executed (in debug mode), about 3 seconds after painting the screen nicely, I get echos of portions of the horizontal lines about 50px or so above my horizontal lines. You can look at the screenshot here: [URL]
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May 6, 2010
I noticed that adding a MenuStrip (from the Toolbox) to my form design doesn't yield a menu bar like many native Windows applications. Instead I get a menu bar like Visual Studio's own. None of the style settings for MenuStrip appear to mimic the much more common native menu bar.Is there a way to add a menu bar to my Windows Forms application that looks the same as the one you see in Notepad, Task Manager and others? (Preferably with the designer, but I wouldn't mind adding it programmatically either.)
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Jul 2, 2010
When I develop a Windows Forms app in Visual Studio using C#, every control that I add to my form is by default marked as private, which is what I want.
When using VB.NET, every control is by default marked as Friend (the equivalent of internal in C#), which is not what I want.
Can I just change this default? It seems like surely it's a setting somewhere.
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Sep 24, 2009
I have cooked up my first iteration of a code generator which creates the basic Entity models from a SQL Database Schema. Currently, It will scan a SQL Db Schema, and create .vb code files complete with private members and Public property declarations for every User table in the Database. My next step is having it add the basic CRUD procedures as well. Are we mere mortals able to access whatever technology allows the Partial class files created by vs to be hidden/Linked to their "parent" files, such as the Partial Class files for Windows forms or any other designer-generated control? My thinking is that it would be handy to be able to re-generate code files from the database if necessary to reflect changes in the schema, without overwriting any other properties or methods added to a class in addition to those derived from the database. SO I am hoing I can have the Auto-generated output go to a Partial Class file, and then use a regular class file of the same name for the rest of the code. My Concern is the multiplicity of files that might result, so I was hoping it is possible to "tuck them in" to the parent code file in the Class View.
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Jan 27, 2011
I am attempting to update an existing winforms application, that was created with a dataset control on all the winforms pages. I have ported it from VS 2008 to VS 2010 and I need to update the database section and connect it to the SQL backend using traditional code method.In the Solution explorer, when I click on the Dataset files, and click "Exclude From project" I am unable to build the project.Is it advisable to comment out the code lines that refer to the dataset in the .designer.vb files?
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Oct 7, 2009
I have a user control that contains a search value text box a button, and a datagridview to display what the data adapter found. In the data set designer, I have an ODBC connection to a table, with two SQL queries defined FillByCustomerName(NAME), and FillByCustomerNumber(CUSTOMER_NUMBER). If I preview the data in the designer, I see the data expected. The datagridview doesn't show any data. The functions PopulateGridByName and PopulateGridByNumber do the work. I've tried adding a dgCustomer.show statement, The form that calls the user control has no codebehind code, and throws no errors.
Private Sub btnSearch_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSearch.Click
Try
Dim SearchValue As String = CreateSearchValue()
[Code].....
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Jun 29, 2011
my windows forms printdialog doesn't appear when i call showdialog.[code]
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Sep 8, 2010
I have a test app driven by bluetooth serial events In my form load code I hide the cursor so it doesn't get in the way of pictures (fullscreen) When one event is called by bluetooth, it brings up a msgbox and the user has to click OK. I tried Windows.Forms.Cursor.Show() but it doesn't work.
I'm guessing it's something to do with delegates and events and the form, but the debugger doesn't complain at any point. It just refuses to show the cursor. How can I get my serialport event to show the cursor? And then hide it after?
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Jun 6, 2011
I'm trying to get my context menu appear in my tasktray, while the tray appears the menu doesnt when i right click. Here is all my code associated with my task tray:
[Code]...
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Mar 25, 2010
i've created an addin which shows localized properties for the current component being designed, be it a form or a control.
My approach is to load/save localizable property values through the designers resourcemanager service (resourcereader/-writer), but when I save the values, the changes doesn't appear in the designer, unless I reload it.
It's worth to say, that I am using the CreateTransaction+OnComponentChanged approach, which does notify the desiger that changes are made, but it doesnt change the newly edited resources...
Is there some way to make the designer refresh it's resources? Is there a way to know which language (form localization) the designer is designing? Is there a way to track when DTE.ActiveDocument changes, so that the toolwindow can be refreshed?
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Mar 25, 2012
I am trying to return two menu tabs using System.Windows.Forms. I have tried using an array and tried using control.add but I cant seem to get this working. What am I doing wrong?
Public Function MonitorsInit() As System.Windows.Forms.TabPage Implements LabTech.Interfaces.ITabs.MonitorsInit
Dim TP As New Windows.Forms.TabPage("Ticket")
Dim TP1 As New Windows.Forms.TabPage("Ticket1")
TP.Controls.Add(TP1)
Return TP
End Function
[Code]...
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Apr 20, 2010
I have the following code and I can't get the lost focus to work.
Private Sub txtSpeed_KeyDown(ByVal eventSender As System.Object, ByVal eventArgs As System.Windows.Forms.KeyEventArgs) Handles txtSpeed.KeyDown, txtSpeed.LostFocus
[code]......
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Apr 20, 2012
This context menu is pops up where the user right clicks inside a dataGridView
When adding the items the VB code is
Dim m As New ContextMenu()
m.MenuItems.Add(New MenuItem("Disassociate *A* Device"))
m.MenuItems.Add(New MenuItem("Purge Device Assosciations"))
Is there no simple way to reference a resource to add an icon to said menuItems?
Pseudo
m.MenuItem(0).Icon.Source = ....
?
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Dec 11, 2010
I've created an application that displays a NotifyIcon when an event happens.
Public ContextMenu1 As New ContextMenu
Public NotifyIcon1 As New NotifyIcon
Public Sub CreateIconMenuStructure()
[code]....
In the form load to "Initialise" the NotifyIcon it then works fine when made visibleinvisible by code in the OnRegChanged event.
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Sep 9, 2005
disabling the context menu for webbrowser control in Windows forms using c#.
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Dec 3, 2009
I have created a custom UserControl, with a custom designer, which contains a Panel which is editable. Any controls dropped onto this Panel will go off-form when an Anchor is set. This was already reported here and acknowledged as a bug:[URL].. Are there any known workarounds? Or available hotfixes for this issue?
I already implemented ISupportInitialize in my custom panel class, where i set the docking, which doesn't help. Here's the relevant code:
[Code]...
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Dec 25, 2009
I wish to add a toolbar that looks like the one in windows explorer to my windows application in my visual basic 2005 application. Although I have currently deployed the default 'toolstrip' that is avilable among the controls but I don't understand how should i change the appearance of the toolstrip from office 2003 to the one present in windows explorer.Please provide a solution to the above problem.
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Jun 5, 2009
Lets say i label "label1" , and 2 buttons named "button1" and "btnRefresh " [code]So , when user press the button 1 , the text will change. But what should i put inside btnRefresh to reload the forms ? and display the default label.text = "Form Load" ???
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Mar 11, 2010
THis is my error: The designer cannot process the code at line 25: Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font The code within the method 'InitializeComponent' is generated by the designer and should not be manually modified. Please remove any changes and try opening the designer again.
Callstack is:
at Microsoft.VisualStudio.Design.Serialization.CodeDom.XML.CodeDomXmlProcessor.CreateQuoteExpression(XmlElementData xmlElement)
at Microsoft.VisualStudio.Design.Serialization.CodeDom.XML.CodeDomXmlProcessor.XmlElementData.get_CodeDomElement()
[code]....
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Nov 4, 2009
I have to design a custom "log grid" control to use in another of my projects.Up front, I am new to vb.net 2008. I have used VB6 for years and I am trying to learn how to resove the differences as I go. But I need help.
This log grid contains 96 columns and 4 rows.I tried using the TableLayoutPanel and a Panel per cell but found the control to slow to paint. That's 384 discreet controls.I am now trying a usercontrol with a panel and GDI+ to create the grid. I've created a collection for the columns and a collection for the rows. So far so good. My mouse clicks raise the correct events per cell.
I now need to indicate which column the mouse is over. This is the problem. The column must be highlighted by a vertical bar from the top of the column to the bottom. It must also be transparent. I need to see the gridlines under the highlight. I've tried using region using the following code. (myRegion is declared Private MyRegion as Region at module level for persistance)
[Code]...
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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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Mar 14, 2010
When trying to compile my newly created ClassLibrary class 'Validator' that validates entries made into TextBoxs or MaskedTextBoxs, I get the following error:
Warning 1 Namespace or type specified in the Imports 'System.Windows.Forms' doesn't contain any public member or cannot be found. Make sure the namespace or the type is defined and contains at least one public member. Make sure the imported element name doesn't use any aliases. C:Users erryDocumentsVisual Studio 2008ProjectsMillerClassLibMillerClassLibValidator.vb 1 9 MillerClassLib.
Following is the first part of code in the class:
Imports
System.Windows.Forms
Public
Class Validator
[code]....
What can I do to resolve this problem? The classes in this class library will be used to validate forms data input in a number of varied projects.
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Jul 8, 2009
I need to work with custom controls, I want to be able to set the properties of my controls so when I put them on my windows forms they will show up in the properties window thing.
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