ListView Property Is Named LvSummary?
Jul 23, 2010
This problem refers to VB 2008. My ListView Property is named lvSummary, View is set to Details, 2 columns are defined, and this is the code is being called when I click on the menu Summary item:
Private Sub mnuSummary_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mnuSummary.Click
Summary.ShowDialog()
Summary.lvSummary.Items.Clear()
[code]....
The problem is that when I click on the Summary menu item the first time, the numbers "1" and "2" do not appear in the listview columns. I then close the window by clicking on the OK button, then immediately click on the Summary menu item again, and this time the numbers DO appear! What am I doing wrong to cause these numbers to not appear the first time?
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May 4, 2012
I am using Visual Basic 2010 and added a single image through the designer. The name of the image is "add.png". When I reload my form it gives me an error:
Warning 4 The type 'MyProject.My.Resources.Resources' has no property named 'add'. F:Vb2010MyProjectMyProjectFormsFrm.Designer.vb 599 0
Me.btnNew.Image = Global.MyProject.My.Resources.Resources.add
I Change this code to This :
Me.btnNew.Image = Global.MyProject.My.Resources.add
But its not work properly
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Jun 17, 2012
Long story short I made a form in VB.Net project which involves lots of icons and images. My problem is when I build my project, and then go back to that form, suddenly errors showed up.
The errors says : "The type 'MyProject.MyResources.Resources' has no property named 'myicon'". Just to be clear, it worked fine before I did the build, and it happened to every single images I have on Resource.
When I chose "Ignore and Continue" all of the images I used are gone. I tried to googled it, some says to delete my .exe file on Application/Bin/Debug folder, which is working. But this issue has been some kind of an annoying one, since it happens again every single time I build.
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Aug 23, 2011
I have a control which has a button named "btn1", and I want to change it's contents through a dependency property in XML, like this:
<UserControl:UserControl1 ButtonContents="Something"/>
Here's what I have:
Public Class UserControl1
Public Shared ReadOnly ButtonContentsProperty As DependencyProperty =
DependencyProperty.Register("ButtonContents",
[code]....
But how can the dependency property know what to do?
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Jun 3, 2011
I can add items to a listview this way:[code]But how can I set the Tag property of that same item as the same loop? I tried going ListViewItem.Items (0).Tag = "something"..But that doesn't seem to do the trick. How do I do this?
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Dec 30, 2009
I want a listview has above properties. Is it possible ? In fact i have a database which have a field is image ( binary array) I want a listview displaymember is name and value member is image.
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Nov 15, 2011
I have a list view with Two Columns. I want to set text in the Column Header as "Bold" & Text Align as "Center". But the text in the rows of the list view not required bold & center.
So, How to control them independently...?
Question II:
How to modify the Height of the rows...?
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Feb 18, 2009
Debug.Print(Me.MyListView.Columns(0).Name.ToString)
always returns an empty string?
I am trying to loop through through all of the items and subitems in a listview control and add them to an xml doc like so:
'loop through each item & Subtime and add element
For i = 0 To Me.MyListView.Items.Count - 1
.WriteStartElement("MyElemnt")
[Code].....
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Dec 7, 2011
I'm trying to create a Window with a ListView and an Area where details to the selected Object are displayed. The Listview displays items stored in an ObservableCollection(Of T) Collection. The items itself contain also an ObservableCollecton(Of T) Collection which should then be displayed in the details area in another ListView, accordingly to the selected item of the first ListView.
The Problem: The InitializeComponent() throws an Exception (XAMLParseException).
Exception:Set property 'System.Windows.Controls.GridViewColumn.DisplayMemberBinding' threw an exception.
InnerException:Object of type 'System.String' cannot be converted to type 'System.Windows.Data.BindingBase'.
The Line- and ColumNumer of the Exception are Pointing at the <GridView> of my ListView (.View).This is the First ListView
<ListView ItemsSource="{Binding Path=MyObjectCollection, Mode=OneWay}" SelectedItem="{Binding Path=Selected, Mode=OneWayToSource}">
<ListView.View>[code]....
So. How can I bind to the Collection Property of an Object could be nothing?
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Oct 6, 2010
I've recently taken over a MVVM project started by someone who's now left the company; It's my first time using WPF, but by the looks of it, it was his first time using both WPF and OOP...Anyway, I've got a ListView in the XAML, and I've got a collection class which doesn't currently contain a "SelectedItem" property.what code I need to put in to link the SelectedItem of the ListView to the as-yet-unwritten SelectedItem property of my collection, and then what code I need to put in so that the SelectedItem of the collection links back to the ListView?
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Jun 14, 2011
I've got this code which basically loops through a set of folders and subfolders and finds specific file types. And then lists these in a listview. Now, it's intended to list exe and msi files. And I've made it so that these icons can be doubleclicked after they have been listed. I do this by adding the path to the file in it's tag property.
But, my superiors want a checkbox next to each item. So that they can check each item they want installed. And then have a button which runs the path in each tag property one at a time. It's basically the part where I fill the listview with the checkbox, filename of the exe or msi file, tag and the icon that I'm wondering about.
This is the existing code. This includes just a Tile view of the listview. Public Sub getDirectories(ByVal strFilepath As String, ByVal strFileExtension As String, ByVal objControl As Object)
'Load first files from the root folder. Then loop each subfolder
Dim di As New DirectoryInfo(strFilepath)
Dim aryFi As IO.FileInfo() = di.GetFiles(strFileExtension, SearchOption.AllDirectories)
[Code]...
But there should be a way of combining these two right? I'm not sure how I can add a checkbox in the first column of the listview? I've already set the Checkbox property of the listview to True. But I could use some pointers here if anyone's got any. :)
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Dec 30, 2010
Well, the question says it all. I have tried the _.SelectedItems(0) method, but it is not working at all. It only works for the first item, but for all others it says that "0" is not a permissible index value, or something like that.NOTE: All of my items are constant, as in they will not change. None will be added, and none will be removed.
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Aug 22, 2011
I inherit from ListView. I want my control to have an AllowCheckBoxes property rather than a CheckBoxes property.
Listview.Checkboxes is not overridable.
Can I add attributes to Listview.Checkboxes? Maybe the following?
<Browsable(False), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)>
If not, does the following make sense?
<Browsable(False), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)>
Public Property Shadows CheckBoxes() As Boolean
Get
[Code] .....
What about using
EditorBrowsableState.Never)
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Nov 30, 2009
how ListView pointer is stored/removed at ReadOnly Property ListView in ListViewItem? How is it implemented? I know ListViewItems are stored in ListViewItemCollection which has constructor New(owner as ListView) but I dont know how pointer to ListView is add/remove in ReadOnly Property in ListViewItem...
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Jan 6, 2010
I already have one year experienced in c++, and built many private applications.My question is simple to ask, and simple to answer I think.When I select an item in a listview, I want the full item to be selected. Now only the TEXT in the listview item is selected. I've made a picture to clearify my problem.The picture in the link below is splitted up in two pictures. It shows what I currently have, and what I want (my aim)
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May 15, 2012
When inheriting class or control e.g. ListView, TreeView, etc..., what is the best way to distinguish between built-in methods/property/events and mine?
Currently, i start my methods/property/events with "aa" in order to make them at the top of auto complete list.
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Feb 22, 2011
Modifying data with the ListView's EditItemTemplate by programmatically settings its DataSource property and calling its DataBind method. I don't have option to use data source control for ListView. All ListViews are bound with data from code-behind. So, I have to handle the Edit/Update mode of ListView manually. [Code]
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Dec 9, 2011
I'm having some very weird issues with interfaces right now.
I have a very simple setup. In one of my class, I have a Property implementing a Property from an Interface.
In my class it's like:
Private _oForm As IForm
Public Property Form As IForm Implements IContainer.Form
Set(value As IForm)
[Code]...
I have like dozens of interfaces like this working throughout my project and I can't believe this simple one can't work!
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Oct 16, 2011
I have a listview with 7 columns and I want to be able to have the user edit them (for copy purposes). It is a program that stores usernames, passwords, ect. and I want to be able to copy each sub item...
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Feb 25, 2010
Now that C# supports named parameters, I was checking to see if it was implemented the same way VB did it, and found that there is a slight difference. Take for example a library function like this:
public static void Foo(string a, string b)
{
Console.WriteLine(string.Format("a: {0}, b: {1}", a, b));
}
[code].....
The way VB does it requires much fewer instruction calls, so is there any advantage to the way C# implements it? If you don't use the named parameters, C# produces the same thing as VB.
EDIT: Now that we've determined that the extra instructions go away in release mode, is there a particular reason for them to be present in debug mode? VB acts the same in both modes, and C# doesn't insert the extra instructions when calling the method normally without named parameters (including when you use optional parameters).
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Sep 1, 2011
I'm working on converting an Excel VBA project to a VB.net Office Solution. In VBA accessing a named range within a sheet was pretty easy.Sheet1.Range("NamedRange")would give you the value in that cell.
In VB.net I've tried several different things, all ending in failure. [url]...
I'm using one of the Visual Studio Excel 2010 Document template, and I managed to set a value in a named range on a sheet. The template creates a class for each tab on the worksheet, so I was able to do this.[code]...
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Jan 17, 2011
I am very new to VB.net and for a project I am supposed to do some "outside research" and create a database. The database should consist of items (sports players) who have a number of different values (one set is physical: strength, speed, agility, acceleration) and preferably another (technical ability: ball skill, dribbling, shooting, etc). I want the database to classify these and give each traits such as "Power Shooter" if the shooting stat is upwards of 90, etc. I want to be able to bring up characters through this and also through named searches.
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Feb 1, 2010
Ok, I've read every question on here about strong named assemblies and just want to clarify something. First though, from what I've read, GAC aside, strong named assemblies prevent a malicious 3rd party changing and impersonating your code. It'd be great to have some links to some real world examples of this kind of spoofing that happened pre strong named assemblies. If security or the GAC are not a concern, It seems that it's still advisable to strong name assemblies because:
(A) Clients who have strong named assemblies can only reference your assemblies if they are signed.
(B) Clients who do not have strong named assemblies can reference your assembly whether it's signed or not.
Is that a fair analysis?
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Aug 26, 2009
I need to create a collection that should have named indexes. e.g.: IN typical collection such as ArrayList :
Dim al as ArrayList = New ArrayList() al.Add("10") al.Add("20")
to access first element i have to use "0" in al(0)...such I need to create a collection that has Named indexes instead of Numerical zero based indexes. such as: assume the collectio object is col1. to access the value element "RegoNo", i should use the collection object as col1("RegoNo") or similar technique Is this possible to do?
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Nov 4, 2011
How can I Declare a groop of sequentially named Labels?[code]...
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Oct 14, 2010
I am using a variation of Stanav's example from the previous post seen in Sub dd_Inhoud_Labels. The first 3 Subs (Add_Titel_Label, Add_Byskrif_Label & Add_Lewering_Label) is allso shown below so you can see what I am leading up to. Sub Add_Inhoud_Labels is not only responsible for creating labels but allso placing them acording to the location and size of the previos label and allso ather properties as Font and so on depending on the marker at the start of the text string saved in the data base.The problem I can not get solved is that only the last of the Inhoud Labels seem to be created, it seem to be in the correct location as last label as seen in the pic below
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Sep 8, 2010
How to get the first row index of a named range in excel sheet from vb.net code...for example I set the column 1 of row 2 to column 5 of row 4 a range named it "MYRange" ( it is set from excel sheet )
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Mar 9, 2010
I am trying to get an int named Result000110001 to my database table? I have the following files, Seeds.mdf, seedsDataSet1.xsd and a Table named Seeds in sever explorer. Is there a simple way to update my table, can you recommend a good reference source to take someone new to this subject step by step?
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Jul 27, 2009
I need to use RegEx.Replace to replace only certain named groups in my input string.
So I might have a pattern like:
"^(?<NoReplace>.+)(?<FirstPeriod>(d{2})|CM|RM|PM|CN|RN){1}(?<LastPeriod>(d{2})|CM|RM|PM|CN|RN){1}((#(?<NumberFormat>[#,.+-%0]+))*)$"
Tokens such as CM, RM are being replaced using Regex.Replace with a MatchEvaluator. However, this should only be replacing characters in the FirstPeriod and LastPeriod groups.
Example input:
"FIELDCNS 01CM"
Desired output:
[Code]....
Is this possible or am I best just pulling out the parts I want to replace and re-assembling afterwards?
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Sep 8, 2011
I don't know if this is the right place to start, but I'm using Visual Basic 2010. I'm doing the IMY Solution. Basically I'm calculating the new hours for each pay. The inputBox function allow users to enter the raise percentage. The problem for raise percentage is how can I set the name constant correctly. It asks to create a named constant for the "Raise percentage: " message.
Here is the code
Option Explicit On
Option Strict On
Option Infer Off
Public Class frmMain
' class level variable to enter percentage
[Code] ......
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