Determine Which Control To Create Dynamically?

Feb 19, 2009

I have a project setup, where depending on a certain variable one of two controls will be used. Either the default webbrowser or the gecko control. Now I can load either one fine dynamically but I can't work out how to use either one depending on a variable result.To load the one I know I want is easy enough..

Code:
Private WithEvents wb As Skybound.Gecko.GeckoWebBrowser
wb = New Skybound.Gecko.GeckoWebBrowser()
Me.Controls.Add(wb)

[code]....

I want my webbrowser to be called wb as I already have all the event handlers written.

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Dynamically Create Onclick Event For LinkLabel Control?

Mar 6, 2012

I am trying to dynamically create a LinkLabel for my windows form (using vb.net 2005). Here's my It's creating the link; however, I'm having problems creating an onClick event for the new link. When the user clicks, I want it to open the file.

[Code]...

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Access A Dynamically Created Control On A Dynamically Created Form

Jul 16, 2009

I have an application that dynamically creates winforms.

Dim NewS As New Form
Dim NewT as new Timer
NewT.Interval = 5000

[Code].....

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Return Control Name From Dynamically Created Control?

Aug 15, 2009

I am adding some controls to a panel at run-time. After I add them I need to loop through the panel in a different sub and test for a specific control. I was assuming that if I named the variable that the control is set to to "a", that I could then test for this by saying

[Code]...

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Determine If A Control Is A Given Type?

Nov 5, 2011

Public Shared Function IsType(ctrl As Control, ByVal thisType As ??????) As Boolean Return (TypeOf ctrl Is thisType) I need a function that I can call, for example, to determine if a control is type RichTextbox.dim z as Boolean= IsType(txtBox1, RichTextBox) I ned to determine if a control is a given type (i.e., not always RichTextBox). I don't know what Type to make thisType. Can this be done?Actually I simpified the problem but if the above is answered I can write the function

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How To Determine The Type Of A Control

Dec 12, 2009

I need to determine the type of a WinForms control in a collection.

[Code]...

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How To Determine Which Control Has Been Clicked

Apr 11, 2011

I have a program with 32 PictureBoxes (pb1 ... pb32). The user will select one of the picture boxes. All picture boxes will call the same subroutine, passing the variable of the name of the box clicked. Rather than writing a click event for all 32 boxes, and call the same subroutine from each event, is there a way that I can determine which picture box has been clicked?

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Create An If Statement To Determine Price?

Mar 28, 2011

Option Explicit On
Option Strict On
Option Infer Off

[Code].....

For example, 10 people cost 800, 11 people the cost goes down to 770.

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Determine If Directory Exists, Create It If Not

Jan 7, 2009

I wanted to create a login system that would have 3 tabs 1 for regular login, 1 for admin login and 1 for account creation. So far so good. It saves the accounts by saving them in a .urs file in the map called /Users/. However when this map does not exist it will show a error. I would want to know what code or so to put into the form_load which will make my program create the map /Users/ if it does not exist. As im not familiar with all the codes and stuff. The only thing i can come up with is

Mkdir "/Users/"

but then ofcourse it would create the folder users everytime i start the program. not i was still "Hello Worlding" a few days ago, so i really am unfamiliar with any sort of high-skilled programming which i probably dont understand.

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Determine And Alter The Control With The Greater Value?

Jun 2, 2010

I have two columns of numbers that hold team scores for different events. I am looking for a OO way to Color the textbox of the team with the highest score in each event. I know the following will not do it (without writing a complex set of If Then Statements) but I think it might paint a clearer picture of what I am trying to do.

VB
Private Sub ColorWinner(ByVal crtl01 As Control, ByVal crtl02 As Control)
If CDec(crtl01.Text) > CDec(crtl02.Text) Then
crtl01.BackColor = Color.Gold

[Code].....

The controls are always going to be text boxes. So basicaly I want to determine the text box with the highest value and act on it without having to write a complex series of nested IF Statements.

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Determine If ANY Control On Screen Was Clicked?

Jun 6, 2011

Is there a way to determine is any control at all on a form has gotten focus? I know you can individually determine if a single control has focus or has been clicked, etc. but is there an event that can tell you that some/any control has been clicked?

i.e.
Private Sub myFrm_Magic(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.SomethingClicked
Msgbox(Me.ActiveControl.Name)
End Sub

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Determine Number Of Characters That Will Fit In A Control?

Jul 12, 2011

I've written a piece of code that takes 3 fields from a database and writes out the 3 added together, but with the middle field cropped down, so that the total number of characters is always 28, what I thought was the width of my listbox. I realised when I debugged though, that the listbox was docked and grew or shrank depending on the size of the screen.

Is there a way to determine how many fixed width characters will fit in a control, at run time?

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Determine Which Control Called A Form?

Mar 3, 2010

I have three buttons on my main form, say Form1. Clicking any of the buttons brings up Form2 modally for input, it's a number pad. Now, depending on which button was clicked to get there, after the user enters his numbers, I need to change a specific label on Form1. In other words, btn1 clicked puts user input into lbl1 and so on... I could probably do this with a variable but wondering if there is a more elegant way.

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Access A Dynamically Created Control On A Dynamically Created F?

Jul 16, 2009

I have an application that dynamically creates winforms.

Dim NewS As New Form
Dim NewT as new Timer
NewT.Interval = 5000

[code]......

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Asp.net - Determine If A Control Is A Checkbox Or A Radio Button?

Dec 8, 2011

i have an if statement that neds to check if the control passed is a checkbox or a radio button

If TypeOf (Control) Is CheckBox Then
If count = 1 Then
text += Me.GetCheckBoxValueJQuerySyntax(Control.ClientID) & " + '~' + "[code]......

This fails as the checkbox and redio button derive from the same class, so how woudld i check if the control is a checkbox or a radio button.

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Determine Form User Defined Control Is Placed On?

Jan 25, 2012

I'm writing a control that needs to check a property of the form it's placed in.Is there a way to do that?

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Determine The Font Style Of A Label Control

Jun 17, 2010

Does anyone know how to capture and save the font style of a label control.

(FontStyle.Bold, FontStyle.Italic, FontStyle.Underline)

I need to be able to save the font style and have it reapplied when I reopon my form. I know how to "reapply" it when I open the form again. I just need help getting the original value for saving purposes.

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Determine The Type Of Control In The Controls Collection

Oct 9, 2009

I have a small piece of code that iterates through the controls collection on a panel (below) Everything works fine until I want to focus on a control that doesn't support the selectall method i.e. a datetimepicker. Is there any way of determining the type of control and not call the selectall method when the type is datetimepicker. All my other controls support it so that's the only one I need to exclude.

[code]...

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Determine What Characters The User Can Enter Into The Control?

Mar 2, 2010

In reading various answers regarding "masked TextBox Control, am I to assume that the masked textBox control uses a mask to determine what characters the user can enter into the control?

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Determine Whether Specific Control Type Is Currently Loaded?

Nov 14, 2010

I've created the following basic function to determine whether specific control type is currently loaded:

Private Function IsPreviewerTypeLoaded(Of T)() As Boolean
For Each previewer In LoadedPreviewers
If previewer.GetType().Equals(T) Then

[Code]....

I need to compare each control against the generic type supplied. Equals(T) fails to do the job, producing a compiler error. How to make it correctly?

UPDATE: is the following correct?

previewer.GetType().Equals(GetType(T))

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Determine Which Control Called The Context Menu To Appear?

Apr 14, 2009

I have three buttons that all share the same context menu. How can I determine which control called the context menu to appear?

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Using Reflection To Determine If A Control Supports An Event?

Mar 7, 2011

To avoid the TRY Catch Block, is there a way to determine if the control supports the specified event without having a try catch block?

[code]...

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Create Program That Determine The Monthly Payment Of A Loan?

Oct 27, 2010

I have to show monthly paymen in label, make sure the user has entered an amount greater than 100, If user changes amount or rate or number of payments have label with answer cleared, When user Click on the text box have ente amount highlighted so user can type right over what was already written

I need to calcuate the button Also I need to be able to concatenate "Your monthly payment is (whatever the principal amount is) loan for(years) years at a rate of (whatever the %) is $ (whatever the monthlyPaymen)

[Code]...

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Asp.net - Pass A Variable To User Control To Determine Display?

Nov 28, 2011

I've found various C# examples here, but I can't seem to get a VB version working.I want to be able to pass a simple variable into a User Control to determine whether it shows a certain section of data.It's basically a Customer Data form, and in some circumstances I need to show a line with the customers account number and sort code, and in some I don't, so my user control:

<controls:customerForm ID='customerForm' showBankDetails="no" runat='server' />

But I can't work out what to do with the showBankDetails variable in Code Behind to stop it from rendering that section, or simply hide it with a CSS snippet.How do I access that variable in the code behind using VB.NET?

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Determine Control Under Mouse Pointer With Context Menu

Mar 27, 2012

I have a program that has two list boxes. I want to have the user right click either listbox and remove an item using the context menu option. I have tried to use GetChildAtPoint (control.mouseposition) but I cannot return a control the mouse is over. I then tried to use the _Click event of the context menu to get the sender, but the sender is the contextmenu control. Here is the code I am using:

Dim ctrl As Control = Me.GetChildAtPoint(Control.MousePosition)
If ctrl Is Nothing Then
Exit Sub

[Code]....

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Determine If User Or Program Made Change To Control

Mar 15, 2010

I have numberic updown control in my app. There may be times when I want to programatically change the vlaue (in which case I don't want to ValueChanged event handler code to run). There will certainly be times when the user makes a change (in which case, I would want the event handler code to run).

[Code]...

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VS 2008 Determine If User Has Scrolled To The Bottom Of A Control?

Aug 22, 2010

I am modifying some code I found here to test to see if a user has scrolled to the end of the control. In this case the control is a Crystal Viewer but I posted here because I think the issue is based on the vertical scrollbar not the Crystal Viewer itself.

The code flags an error at

Me.CRViewer.Controls.OfType
Indicating 'OfType' is not a member of 'System.Windows.Forms.Control.ControlCollection'.

I understand the concept that I can't reference something that it is not but I don't know how to fix it. The original code was for a DataGridView.

The ultimate goal (not finished) is to find out when the user has used the mouse or possibly the scroll bar itself and if it hits the bottom of the page of the viewer, then trigger a new page so it looks like they can just keep using the mouse to scroll.

Public Sub New()
Me.InitializeComponent()
Dim vscroll As VScrollBar = Me.CRViewer.Controls.OfType(Of VScrollBar)

[Code]...

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Create Task Scheduler Monthly Determine 3 Days 1 , 7 , 15 In Every Month?

Dec 12, 2011

I want create task scheduler monthly determine 3 days 1,7,15 in every month how I can make that?

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Determine Whether The Person Using App Has Permission To Create And Write To A File In A Given Directory?

Feb 20, 2008

How can I determine whether the person using my app has permission to create and write to a file in a given directory? I would prefer to not use some sort of try/catch.

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Manipulate The Dates To Determine Which Date Will Be 30 Days More Then The Datetime Control?

Sep 17, 2011

how to manipulate the dates to determine which date will be 30 days more then the datetime control I have on my form. i need to take the chosen date from the DateTime control, and determine what date it will be in 30 days. Eventually I will use this process to search through the database to print monthly reports.

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