VS 2010 - List Of All Controls - Make An Access Control
Mar 15, 2011
I want a list of all controlls in my project, not only on open forms. The reason is that i want to make an access control, and the admin will set which buttons each users can use.
What ive got so far is:
HTML
Public Sub getallforms(ByVal sender As Object)
Dim Forms As New List(Of Form)()
Dim formType As Type = Type.GetType("System.Windows.Forms.Form")
[CODE]...
This shows me all forms in project. But i cant access their controls.
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Sep 8, 2011
I am wondering if anyone has any idea how to make the controls stack and fill up the available space left by a control if the control is hidden or removed from the UltraGridBagLayoutPanel.
Example:
[Textbox 1]
[Textbox 2]
[Textbox 3]
[Textbox 4]
[Textbox 5]
If I hide [Textbox 3] as of now, it will disperse the space left equally and pad the remaining text boxes with the space. However, I would like it to do this...
[Textbox 1]
[Textbox 2]
[Textbox 4]
[Textbox 5]
Where all the text boxes will move up and [Textbox 4] will completely consume the space left by [Textbox 3].
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Feb 7, 2011
I have a couple user controls that are loaded by a Select Case statement. However, in the behind code file for the main page that loads these controls, none of the asp controls show up in intellisense. I had a feeling it's because the controls are loaded conditionally. My question is what is the best way to solve this?
1) Load the controls and do a Select Case in the behind code to make them hidden or not.
2) Is there a way to say (psuedocode): LoadUserControl("UserControl1").Controls("tbTest").Text = ""
3) How can I pass a dataset to the User Control file?
4) Any other ideas?[code]
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Dec 6, 2011
I have a form named VBProject It has two TextBoxes and one custom control named MyControl which is created in another project.MyControl's project has a form inside, named Form3. When My control is loaded it needs to find all controls in my VBProject and add them into a listbox which is in Form3. Then Show the Form3. In the end ListView need to shows name and text of textboxes but it shows nothing. Here are my codes:
MyControl's Load_Event:
Dim i As Integer = 0
MessageBox.Show("Control Count:" + Me.Controls.Count.ToString)
For Each MyObject In Me.Controls
If TypeOf MyObject Is TextBox Then
[code]...
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Feb 23, 2009
I have a form with a 4 page tab control. Each page of the tag control has components on them(texboxes, comboboxes, etc). Is there a simple way to make all the controls except the tab control read only or non-modifiable?
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Aug 5, 2010
I'm building a break-timer application. The objective of this, in VB, is to have an application that lets me create a timer dynamically (maybe through a button click) that counts up (or down if you wanna call it that) to a preset point, then makes beeping noises like an alarm. This is due to my desire to no longer be late to and from my breaks at work.
I was able to create a super simple one that just had three timers that I could tick off, but I find myself using them for way more than just three uses. For example, I start one when I get in to count to the point when I need to punch in my timecard (our system is annoying about being exactly on time) then I start one for when my first break starts, then one for my break, then one for after my break but before my lunch, etc.
So, I wanted to have a program that does the following:Has a scrollbar-capable box that can scroll up and down.Each line of the Scrollbar-capable box has one of my custom controls in it (a wide, thin bar containing a field for how long to go, a start button, a display of time elapsed in seconds, and a stop button).
I can just click a button to create each control one line at a time.Now, I know HOW I can create these, but I want to know:Is there an existing type of box that would let me do something like this? Has someone already written this? Or am I going to be creating a COMPLETELY custom control that will be fairly painful to figure out? In which case, is this even doable, or should I just try something else?
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Nov 19, 2011
After taking a few years off from programming, I decided to start learning vb.net. I have created a user control that contains a picture box. I added some custom properties to the picture box that will hold general string data from a database.
My problem is that the user control is programatically created during run time, and during this time a DoubleClick event handler is added for the picture box that is within the user control.
I need to be able to set the custom properties for the picture box during the creation of the user control, so that when the control (picture box) is double clicked I can read these values but am unsure on how to access them.
The picture box is the entire size of the user control, or I would just add the custom properties right to the user control and add the DoubleClick event handler to that. However, double clicking needs to be done on the picture box since it takes up the entire user control, unless anyone has an idea to trigger the DoubleClick event of the user control when the picture box is double clicked.
[Code]...
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Oct 16, 2009
I have created a usercontrol that contains two rectangle shapes to create a unique button effect and a rounded-corner rectangle shape serving as a border to provide a look similar to a group box. It also contains two labels, one for use with a Text property of the control and the other to indicate the status of expansion of the control. The control is designed to collapse itself when the "button" is clicked leaving only the "button" visible. Clicking it again toggles this affect. I've dubbed it an ExpansionBar. It is also designed to be a container control so that I can add controls to it and allow these to disappear when the bottom portion collapses. The problem is that the controls contained in this usercontrol cannot be accessed during runtime. In other words, I can add a checkbox to it and it will disappear correctly when the control collapses, but I can't select the checkbox to check it... same thing with any other controls, you can see, but can't touch. I'm a novice developer, so I'm sure I'm missing something obvious.
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Apr 20, 2011
I grabbed some sample code to generate 100 comboboxes at runtime. The short version of the code is shown below, I left out all the combo box fortmatting and placement details...
Dim TB1 As New ComboBox()
for loop
TB1 = New ComboBox()
Me.Controls.Add(TB1)
end loop
it produces all the comboboxes and looks fine, but i cannot figure out how to reference an individual combobox. Are they in an array? How do you single out a single combo box, for example, how would I check the value of the 33rd combo box?
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Feb 15, 2010
I configured access control list for the local drives using System.Security.AccessControl
I need to configure it for removable drive .
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Jan 26, 2011
so going through some code to clean it up instead of having:
vb
Form1.TextBox8.Font = New Font(Form1.TextBox8.Font.FontFamily, 12, FontStyle.Regular)
[code].....
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Mar 16, 2012
I have added controls to the form using a control array.. However, when I re-run it they stay and more appear. How do I get rid of the first set?
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Nov 23, 2011
how to create a property like this:[URL]
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Sep 20, 2011
how i can making my app in open with list for windows like if i chose my app to open txt file my app will open the txt file like example: ex.txt ==> open with my app and my app with view the ex.txt
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Jan 27, 2012
how i can make this code shorter:
Dim reminderday As Integer = 13
Select Case reminderday
Case 1
[Code]....
Maybe i should to somehow make an array list of all 30 Picture boxes?
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Dec 25, 2011
How can I get a list of ALL links on a page after browsing to a page via the webbrowser control?
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Jun 8, 2011
I am trying to make an application which will list all processes in a string when it starts. After it has listed them all I enable my timer, and in the timer there gets checked if the process is in the process list (string), and if it isn't it will add it to my listbox. The only problem is, it's not working, it's never adding an item.
vb.net
Public Class Form1 Dim AllProcesses As String Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load 'The first check For Each p In System.Diagnostics.Process.GetProcesses() If AllProcesses = "" Then AllProcesses = p.ProcessName Else AllProcesses += "|" + p.ProcessName End
[code]....
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May 13, 2012
Lets say I have a combo box that contains the values "alpha", "bravo", "charlie", etc.
When the user selects a value from the combo box, then that value will be written to a string variable, like...
Dim ComboSelection As String = combobox1.SelectedValue
Now, lets say I have a bunch of panels on my form, which have names corresponding to each combo box value. For example...
pnl_alpha
pnl_bravo
pnl_charlie
etc etc.
So what I would like to do is use the value of ComboSelection to access the appropriate panel (instead of using conditional statements or select case statements).
For example, whichever value the user selects from the combo box, I want to change the corresponding panel's background color to blue. So in the combo box's click event, I want to do something like this...
Dim ComboSelection As String = combobox1.SelectedValue
Dim PanelName As String = "pnl_" & ComboSelection
PanelName.BackColor = Color.Blue
Is it possible to do something like this? Again, I realize that I could easily use conditional statements to accomplish this task, but I am curious if it is possible to do it this way instead, as I would have many uses for this functionality.
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May 13, 2009
I've been building controls for many years professionally and personally, but even back in VB6 days I just could not work this out. After all this time I remembered about it again.If I create a usercontrol/containercontrol and add one or more controls to the controls surface, I just cannot figure out how to access the controls at design time.
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Feb 3, 2011
I Am working on a sequence checker that will check a list of numbers to make sure they are sequencial? however we now have a new job for a 5 in 1 layout so the serial number i split up over 5 collums and mixed with other data. i can import the data into a data table split by ","'s ?
[Code]....
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Nov 10, 2011
I have a maximized form that has controls at the top of it and a large DataGridView that is docked below all the controls. Its kind of like the Ribbon in MS Office. The controls cover about 1/4 of the screen at the top. I would like a way for the user to click a button to hide all the controls then automatically expand into the place the controls were so the user can view more data in the DataGridView and visa versa. For example, in MS Office Excel you can hide the ribbon by clicking a tiny button that has "^" on it.
I'm not very familiar with all the controls in Visual Studio so I would like to hear some recommendations. Is this situation ideal for a SplitContainer or ToolStripContainer or am I way off base here?
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Jun 9, 2011
any one here can help me to make access database and connect it to a visual basic 2010 program and update and retrive information from it
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Jun 19, 2009
i have created control array , now i wann to loop around as well wann to find which control has triggered the respective event my code :
[Code]...
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Dec 20, 2010
I have created multiple dropdown list at runtime and populated with data. I also have added an eventhandler to determine the selected value of the drop down list.
The code is as follows :
Dim tbl As New Table()
tbl.EnableViewState = "true"
[code].....
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Sep 8, 2010
win7 64bit, VB express 2010.
I'm working on a project. The main form is a MDI parent, it host a control form. on control form, there is a button. when click it, it will start, say 10, threads.
each thread will open a standard alone form (not mdi). on each form, it has a web browser control. when the form opened, it will start a new thread which makes the web browser control load a url, then depends on the links in that url, it will load another url, and loop for some times. then, the thread stops, and the form closes.
for some reasons, I got this weird exception:
AccessViolationException was unhandled by user code. Attempted to read or write protected memory. This is often an indication that other memory is corrupted.
1) the exception happens randomly, and not always happen. when it happens, it is always some code related with the web browser, i.e.
Not (MDIWebBrowser.ReadyState = WebBrowserReadyState.Complete)
or
MDIWebBrowser.Document.Body.InnerText()
2) I put a try catch in, but, it can not catch this exception. If I just close the exception dialog, sometimes, it keeps running without problems. sometimes, it just pauses the webbrowser control.
so, I did some research. it seems many people had the exact same problem. and it seems the best choice is:
[URL]
I checked all solutions suggested, even manually change the DEP, by using "bcdedit.exe /set {current} nx AlwaysOff"
but, the exception still pops up.
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Mar 19, 2012
I have code for make the usercontrol transparent:
Protected Overrides ReadOnly Property CreateParams() As CreateParams
Get
Dim cp As CreateParams = MyBase.CreateParams
cp.ExStyle = cp.ExStyle Or &H20
'WS_EX_TRANSPARENT
[Code] ......
These code shows the usercontrol transparent. But when the control moves I see that these control needs time to be transparent or drawing an image. Why so many time(maybe 2 seconds)? And why I can't use directions keys on keydown event? (The arrow keys are ignored).
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Mar 10, 2011
I'm making a software where I need to have a transparent background in my form and then 50% transparent control. I don't know how to make the control 50% transparent without getting the back color from the form as back color.
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May 26, 2010
I am working on a small program to teach myself how to use timers, and I would like to know if there is a way to make the timer control faster.I set the Interval property to 1 and it is to slow for what I am trying to do.(All I am trying to do is loop a button left to right, right to leftand so on in a Panel)
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Oct 27, 2011
I have a DataList inside another DataList. I want to access the child DataList "dlQuestion" events, ItemDataBound event. Also, I'm tring to find the control LableControl "lblQuestion" in the child datalist. How do I do that? Here's the mark-up:
<asp:DataList ID="dlSection" runat="server" Width="100%">
<ItemTemplate>
<div>
[code].....
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Jun 28, 2010
i'm working on a calendar and i'm stuck on how to make the grid (where the user put the events )i want to make my calendar look like this!
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