Avoid The Closing Of A Custom Combo Box Popup Window In A Custom Datagrid?

Sep 2, 2010

I was trying to block the closing of a custom combo box popup window in my custom DataGrid. The popup window comes by pressing F4 or ALT+DOWN keys which is getting closed if I press the down arrow for the first time after showing the first value in the combo box as selected. Next time onwards, if I press the F4 key and down arrow, I can move to any item in the popup window and select the item using keyboard and in that case, the popup window is not getting closed till I press the ENTER key or selection using the Mouse.

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Avoid Closing Of A Custom Combo Box Popup Window In A Custom Datagrid?

Jan 31, 2012

I was trying to block the closing of a custom combo box popup window in my custom DataGrid. The popup window comes by pressing F4 or ALT+DOWN keys in my datagrid which is getting closed if I press the down arrow for the first time, after showing the first value in the combo box as selected. Next time onwards, if I press the F4 key and down arrow, I can move to any item in the popup window and select the item using keyboard and in that case, the popup window is not getting closed till I press the ENTER key or selection using the Mouse. Is there any specific reason for this behaviour or something is missing in my code part? [code]...

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Avoid Closing Of Custom ComboBox Popup Window In DataGrid?

Jan 31, 2012

I was trying to block the closing of a custom combo box popup window in my custom DataGrid. The popup window comes by pressing F4 or ALT+DOWN keys in my datagrid which is getting closed if I press the down arrow for the first time, after showing the first value in the combo box as selected. Next time onwards, if I press the F4 key and down arrow, I can move to any item in the popup window and select the item using keyboard and in that case, the popup window is not getting closed till I press the ENTER key or selection using the Mouse.

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Avoid The Closing Of A Combo Box Popup Window In Datagrid

Jan 30, 2012

How To Avoid The Closing Of A Combo Box Popup Window In Datagrid? I was trying to block the closing of a custom combo box popup window in my custom DataGrid. The popup window comes by pressing F4 or ALT+DOWN keys which is getting closed if I press the down arrow for the first time after showing the first value in the combo box as selected. Next time onwards, if I press the F4 key and down arrow, I can move to any item in the popup window and select the item using keyboard and in that case, the popup window is not getting closed till I press the ENTER key or selection using the Mouse. Is there any specific reason for this behavior or something is missing in my code part?

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Specify A Custom Icon For Display In The Toolbox Window When Create Own Custom Control?

Dec 29, 2011

how to specify a custom icon for display in the toolbox window when you create your own custom control? Something other than the dreaded "gearbox" icon.

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VS 02/03 : Datarid Window Popup And Return Value On Closing The Window?

Aug 3, 2009

I am trying to pop up a window on clicking of the link within datagrid and passing textbox id with it. And on closing the popup window i want to set the value of the textbox control within datagrid need to be updated.

My code is:

<A onclick="window.open('webform5.aspx?textbox=rated_kw','cal','width=250,height=225,left=270,top=180')"
href="javascript:;"><IMG src="images/exclamation1.jpg" border="0"></A>

and on popup window page:

Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Dim strScript As String
strScript = "<script>window.opener.document.forms(0)." + control.Value + ".value = '"
strScript += "35"

[code]....

It works fine when the link is not within datagrid.

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Wpf - Fire A Custom Event From A Child Window Back To Parent Window?

Feb 13, 2012

I am looking to close the application when I click a cancel button in a login page, but I don't want to do it in such a way that Window 2 closes itself, but by sending some notification to Main Window, and Main Window closes the application. Here's the code that I have so far:

(in loginPage)

Public Event CloseApp As EventHandler
Private Sub CancelButton_Click(sender As System.Object, e As System.Windows.RoutedEventArgs) Handles CancelButton.Click

[Code]....

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Combo Box Custom Mask?

Apr 1, 2012

For a drop down combo box, if you place 0 as a custom mask, you can enter only numbers. If you place A as the custom mask, you can enter letters and numbers. How can I make it so that you can enter only letters?

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Combobox - Choosing A Custom Default Combo Box Value

Apr 14, 2010

I got a combobox which is filled with values from datasource. By default the first value is chosen which is fine but I need to display "Choose country" as the default combobox text. The user then can choose from the drop down list.

[Code]...

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.net - Datagrid View In A Custom Control?

May 24, 2011

I am trying to add datagridview control in my custom control but i failed.I started creating new project[windows custom control library], added datagridview control on it and also added a property naming "DGVMain" which refers to datagridview control.I compiled it.

While testing i find its properties like visible and other working but when i click on columns property it doesn't work. i.e i cannot add/edit columns into the datagridview of my custom control.

Did i miss any steps or do i need to add some more actions?

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.net - VB Datagrid + Array With Custom Class?

May 14, 2012

I have created a class "student" and made an array which contains students.I would not only like to display the array in a datagridview, but the array should also be updated if the user makes changes to one of the students in the datagridview.

I succeeded in showing the array in the dgv: one way is using datasource prop, the other is doing is diagrammatically. However, i can't find out how to let the user edit the array by editing the dgv.

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How To Fill Datagrid With A Custom Query

Jan 24, 2009

[code] i use this line to fill the datagrid Me.tableTableAdapter.Fill(Me.DDataSet.table)how can i fill the datagrid with a custom query?

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Create A Custom Messagebox, With Varying Number Of Buttons With Custom .Text Descriptions?

Feb 6, 2009

This is what I would like to achieve:To create a custom messagebox, with varying number of buttons with custom .Text descriptions, and other features. I intended to have a property array that would be redim-ed and have values (.Text values) set by the calling class:

[code]...

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Custom Window Resize And Relocate

Apr 4, 2012

How would I re-size the window @ a point relative to its parent location and size. I am using code from Make an unowned window's parent to my form, to be able to set a windows parent to panel1.

Dim proc As Process
' Start the process
proc = Process.Start("C:UsersDmitryAppDataRoamingSpotifyspotify.exe")
proc.WaitForInputIdle()
Dim tmp_hWnd As IntPtr
[Code] .....

This works on most windows except for ones that are customized. Maximizing the window will maximize the window to bounds of the actual screen bounds instead of the panel1 bounds. Code works fine with normal windows but not with this one. (Spotify Window.)
SendMessage(proc.MainWindowHandle, 274, 61488, 0)

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Custom Window Resizing Button?

May 14, 2011

ok so im making a custom windows border. ive got it all layed out and it is working greatbut im trying to make it so that the image in the bottom left corner will be click and thenheld and when the mouse move the

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[2008] Custom Window Controls?

Feb 27, 2009

I need to know how to make Custom Windows Controls?

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Apply Percentage Format To Custom Cell In Custom Column In DataGridView?

Jun 25, 2009

I came across this great article on creating a custom datagridview column which creates a graph-like effect in the cells of a custom datagridview column:[URL]..Does anyone know how you would edit this to format the number in the cell as a percentage? And does anyone know how you would set this up to take 0 values which do not create any graph effects at all.I have been trying to do this but keep getting errors.

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DataGrid To Display Custom Classes Via A BindingSource

Jul 9, 2011

I'm using a DataGrid to display the below custom classes via a BindingSource, I'm trying to figure out a way to save them to a file either by serialization or by some other method. I've tried a lot, but I think it has a hard time serializing because the Account object has the CharacterList object or something. [code]

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VS 2010 - DataGrid Custom Class Array

May 14, 2012

I am working on a project which lets the user edit the students in a certain group using a datagrid. First I created a class called student and then I created a student-array. Displaying the students in a datagrid works fine. On form-load, I change the datagridview.datasource to the student-array. The datagrid has 20 rows by default (Public dbstudebt(0 To 19) As student). When I edit an existing student everything works fine but when I fill something in in an empty cell and press enter or tab to confirm and add a new student, it just clears the cell and nothing happens. So basically, editing existing studs in the datagrid works fine, making new student doesn't work at all as those cells are always cleared immediately.

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Make Stand Alone, Custom Web Browser (with Custom Errors, Or Generic)

Dec 13, 2011

Cookies to be stored in folder and on close delete the cookies The ability to watch youtube vids, view images, and play js/flash games good security, no ads?

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Manage The Propertygrid Window From Custom Designer?

Oct 17, 2011

I am devloping a custom designer (like the form designer), which can be used to design custom controls at designtime (see spoiler for screenshot).The problem is that i want to show the propertyes of the currently selected object in the propertygrid window in VS, and i can not figure out how to do that.

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Possible To Have A Custom Window Style Like One With Sticky Notes?

Sep 20, 2011

I develop Mac apps.Now, I'm using Visual Studio 2010 (VB) to develop Windows applications. And I wonder if there are different styles of windows (forms)like Floating, Modal,Modeless. This Microsoft web page mentions Tool Window.I'm not sure I have this option.Or is it possible to have a custom window style like the one with Sticky Notes?

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Refer To WPF Window From Custom Class File?

Apr 14, 2009

I am writing a custom class file which I intend to use with a WPF application. How can I refer to a WPF window from the class file?

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C# - Custom XML Serialization, Write Custom Root Element?

Mar 15, 2010

I'm using custom serialization and when the xml is generated it's putting the class name as the root element

Example:

<MyClassName>
<MyIntendedRootNode>
<ObjectType>

[code]....

I'm invoking the serialization by calling xmlserializer.Serialize(writer,Me) so I'm sure that has something to do with it.I've tried putting XMLRoot onto the class, but I think as vb is compiling this partial class with its aspx page, it's either overwriting this property or ignoring it entirely.I'd like to just tell it to either throw away everything it has and use a different root element.

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Create A Custom File Association ( A Custom Extension ) In VB?

Dec 19, 2010

know how to create a custom file association ( a custom extension ) in VB .Net and how to open it on the application

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Custom Principal & Identity Missing Custom Functions

Jun 21, 2010

I have a Custom Principal class that Implements System.Security.Principal.IPrincipal and a Custom Identity class that Implements System.Security.Principal.IIdentity. So when a user successfully login to my windows form application, I set My.User.CurrentPrincipal = CustomPrincipal, which worked great until I started adding custom functions to my Principal and Identity classes.

[Code]...

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Not Getting Redirection To Custom Error Page Using Custom Errors?

Mar 24, 2010

Here's my Application_OnError event sink in global.asax.vb:
Sub Application_OnError(ByVal sender As Object, ByVal e As EventArgs)
Dim innerMostException As Exception = getInnerMostException(Me.Context.Error)

[code].....

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Datagrid Inside MdiChildren NOT Applying Custom Format?

May 24, 2012

I have a datagridview (windows forms) that is inside an mdiChild form. The custom format is given by a "for" instance, something like this:

For row As Integer = 0 To .Rows.Count - 1
If .Rows(row).Cells("someNumber").Value = 0 Then
.Rows(row).DefaultCellStyle.BackColor = Color.DarkSeaGreen
End If
Next

So, for every row in the grid that you find, if ther value in the "somenumber" =0 paint the whole row green. Problem is, if I put the form OUTSIDE of the MDIParent - just put frmMyform.show() in my btn that calls the form-, the grid WILL apply the format; If I call it like frmMyform.mdiparent = frmMdi, then frmMyform.show, the grid WILL NOT apply the format.

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Wpf - Maximum Custom Window Loses Drop Shadow Effect?

Feb 28, 2012

I have a custom WPF window defined as:

<Window x:Class="MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" MinHeight="300" Height="350" MinWidth="600" Width="700" ResizeMode="CanResizeWithGrip" AllowsTransparency="True" WindowStyle="None">

I found a class online that creates drop shadows, shown below. This works well, even with a resize grip, until I maximise the window. Once I maximise the window or change the window state of another window (eg. Visual Studio), I loose the drop shadow and I cannot get it back.

[Code]...

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Asp.net Mvc - Custom AuthorizeAttribute + Custom SiteMapProvider Related?

Jan 12, 2010

I have a custom SiteMapProvider (populated from database) and a custom AuthorizeAttribute (validates current users roles + requested page against Role_Page database) for controller classes.I have to implement the function SiteMapProvider.IsAccessibleToUser(context, node). I also have to implement AuthorizeAttribute.AuthorizeCore(context).How are these two functions related? Isn't there some way to 'attribute' the SiteMapProvider?

Some code:

edit: Might this be a solution (inside AuthorizeCore())? context however is HttpContextBase, and IsAccessibleToUser() only takes HttpContext as parameter.If Not SiteMap.Provider.IsAccessibleToUser(context, SiteMap.CurrentNode) Then

current code:

Public Class CustomValidateAuthorization : Inherits AuthorizeAttribute
Public Sub New()
End Sub

[code]....

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