Windows Forms BringToFront?

Nov 9, 2010

Not sure why I am having trouble doing this, but..I have a VS2008 Windows Forms app and I would like to display a set of floating windows on top of a main form. I am happy to use either MDI (Multiple Document Interface) or normal SDI.

With MDI, the problem is that the controls on the main form appear in front of the floating child forms. I have tried moving the MDIClient control back and forward in the z-order with no luck.With SDI, the problem is that I seem to be unable to bring all the open forms in the app to the front at once. I have tried iterating through the Application.OpenForms() collection but I have problems with recursion as the Form.Activated() events all trigger
each other when I use .BringToFront on each form in the collection. (To be honest, I wonder why this is the default behaviour - I would have thought it very rare that you would want some windows in an app in front and some behind other apps. I would have thought that all windows in an app should be contiguous in the z-order).

I would rather not use the Win32 API, but I am willing to use it if there is no other way. I'd prefer a simple MDI or SDI solution, though.

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Looking For A BringToFront Event?

Mar 31, 2012

I have a number of usercontrols on a form. Kind of MDI where each usercontrol contains a document and the user can pop any into the foreground.The code to pop one into the foreground is the BringToFront method which is called by the parent form to bring one of the usercontrols into the foreground.All that works without problems.But a usercontrol does not know when it's been brought to the front. I want the usercontrol to execute some code each time it gets brought to the front but there is no event telling the usercontrol when it's been brought foreward.I 'could' make background controls invisible and make them visible when being brought foreward and the control could detect it via it's visiblechanged property.

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Winforms - Difference Between Focus() And BringToFront()

Apr 12, 2012

I'm developing an application in WinForms and I have 2 MDI children and I'd like to know the difference between Form.Focus and Form.BringToFront

I would like to know which one to use when clicking on a respective form's titlebar in order to have it pop up while I'm drag/dropping the form

If you are setting the child form mdiParent property after you are calling Form.Show then it messes up the focus of all the child forms so for me, drag/drop of MDI children inside an MDI parent won't focus the form upon Drag start, but only after MouseUp

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BringToFront() Doesn't Actually Bring Dialog To The Front?

Mar 6, 2010

I've been having a slight problem with making a Window pop up. When I call it using ShowDialog(), it's supposed to be brought to the front (when in its code, Activated is called.) And yet it does not come to the front right away, it remains behind the Command Prompt. (My actual program.) Here is the code:

Dim
newconfig As
New
Configure 'Configure is the Form object.
newconfig.ShowDialog()

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Private Structure Methods - 'implement' The BringToFront Method

Jan 13, 2012

I have the following

Private Structure FadeLabel
Dim Alpha As Byte
Dim Color As Color

[CODE]...

Which I picked up from this thread: [URL]

What I'd like to do is 'implement' the BringToFront method so that when I use the 'FadeLabel' structure I can also call it's method 'BringToFront'.

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Operator '*' Is Not Defined For Types 'System.Windows.Forms.VscrollBar' And 'Systems.Windows.Forms.VscrollBar

Oct 29, 2011

I am trying to use values from form1 in my project, in form2, but Im not sure how to do it. I've tried

txtboxTotal = (Form1.vsbLength * Form1.vsbWidth) * Pattern

But I get: operator '*' is not defined for types 'System.Windows.Forms.VscrollBar' and 'Systems.Windows.Forms.VscrollBar.'

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I have the code which checks if there is a selected tab

Private Function GetBrowser() As WebBrowser
If TabControl1.SelectedTab IsNot Nothing Then
For Each c As Control In TabControl1.SelectedTab.Controls
If TypeOf (c) Is WebBrowser Then
Return c

[Code]...

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Apr 28, 2009

I have a panel with some controls in it (several textboxes, a slider, 2 buttons, and a small groupbox).. When I click a button, I want all of the textboxes within the panel to be readonly... So I have this code: [code] When I run it though, I get the following error:Unable to cast object of type 'System.Windows.Forms.Button' to type 'System.Windows.Forms.TextBox'.If I remove a button, it moves on to give me the same error but for a label..

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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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Forms :: Visual Studio 2010 Windows Forms App Screenupdating Property?

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.NET developing and have a simple question, i've been stuck on this for a while and searched many forums first with no solution so i'm posting myself. In VB for excel i've used Screenupdating=false to disable the screen updating however now i'm creating a visual studio 2010 windows forms application and its not showing up as a property. Here's the code i've tried.

[Code]...

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Application That Has Multiple Front Ends Developed Using Windows Forms / WPF / ASP / Compact Framework Mobile Forms

Apr 9, 2010

I have the requirement to create an application that has multiple front ends developed using Windows Forms, WPF, ASP and Compact Framework Mobile Forms.I would like to be able to create a series of obejct representing the business logic and have this logic accessible from the various front ends available. My first thought was to use remoting as I'd like to be able to pass the business objects back and forth between client and server but the compact framework doesn't support remoting and also transferring a full framework business object to a compact framework business object doesn't seem possible.My next thought was to use web services but again the passing of business objects seems to be very hard to accomplish. Without doing this I would have to create individual web methods for each business operation.

Finally my next option is to use sockets and write the whole client/server logic within some classes and expose them to the UI/Business layer. My only problem with this is it is not scaleable should the number of clients increase dramatically whereas using remoting or web services I can host the solution via ASP.Net.Does anybody have an ideas on the best way forward for this or even have any input on how they would write an application that required a windows form, wpf, asp website and mobile device GUI all of which want to use the same business logic?

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Forms :: Startup A Second Windows Forms Inside The Parent Form?

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I would like to know if its possible to start up a second windows forms inside the parent form. Ex: A button is pressed and a new form is showed. I would like to keep that new form inside the parent form, and have it not be able to go outside the parent form.

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Forms :: String Cannot Be Converted To System.windows.forms.label

Mar 31, 2010

I am writing a program for my A-level coursework But for some reason I got this build error this has never occurred to me before, I have no idea why I can't use string for the name of my form.

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Jan 9, 2012

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I'm porting code that I wrote for use in a Windows Forms application to a Windows Service, but for some reason, the code that worked in the Windows Forms application is now throwing errors in the Service

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Apr 10, 2012

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The strange thing about the problem is that on Windows XP, Windows 7 and Windows 2008 the scroll works as excepted, but in Windows Server 2003 SP2 the scrolling doesn't work. Enable/disable Visual Styles doesn't seem to make a difference on Server 2003.

Steps to reproduce the error:

1. Add a treeview to a form and add x nr of root items (and 1 sub item to each item).

2. Expand a number of nodes. The non-standard thing here is that we are changing the node integral height because we display a usercontrol with the treenode (See example of the code below).

3. When you scroll afterwards, you cannot scroll to the bottom node. The scrollbar is all the way down, but we are not seeing the last node.

Public Shared Sub SetNModeHeight(ByVal Node As TreeNode, ByVal IntegralHeight As Integer)
'Create instance of tvitemex structure.

[Code]....

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Aug 2, 2010

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Sub startup_args()
If Environment.GetCommandLineArgs.Contains("+game") Then
Dim path As Array = Environment.GetCommandLineArgs

[code]....

just to see what it returns, but the application crashes. I also tried path.tostring(), but that didn't work. When I did:

If Evnironment.GetCommandLineArgs.Contains("+game") Then
Dim path as string = Environment.GetCommandLineArgs.tostring
MsgBox(path)

[code]....

but that returned the value "SString.Array[]"...

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static void Main()
{
frmCalcView view = new frmCalcView();

[code].....

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May 6, 2010

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will a VB 2010 (Windows Forms Project) run on the Windows 8 platform?

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Error - Base Class 'System.Windows.Forms.Panel' Specified For Class 'MenuButton' Cannot Be Different From The Base Class 'System.Windows.Forms.UserControl'

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When I do this

Public Class cInherits : Inherits Panel

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Private Sub CheckBox_Spray_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox_Spray.CheckedChanged
If Me.CheckBox_Spray.Checked = True Then

[code]....

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Forms :: Associate Two Windows Forms?

Aug 9, 2010

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