VS 2008 Custom ComboBox On A DGV?
Jan 30, 2010
i have a list object that i am displaying on a dgv, most of the properties are straight forward but it contains a list within it. I am trying to display some of the properties of the list within a combobox column for the dgv but what i end up with is an identical combobox for each row which contains all the info for the entire list of items. here is the relevent code which constucts the combobox column.
Public Class frmJobs
Private Sub DataGridView1_RowsAdded(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewRowsAddedEventArgs) Handles
[Code].....
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May 3, 2011
I am making a custom ComboBox, inherited from Winforms' standard ComboBox. For my custom ComboBox, I set DrawMode to OwnerDrawFixed and DropDownStyle to DropDownList. Then I write my own OnDrawItem method. But I ended up like this:
How do I make my Custom ComboBox to look like the Standard one?
Update 1: ButtonRenderer After searching all around, I found the ButtonRenderer class. It provides a DrawButton static/shared method which -- as the name implies -- draws the proper 3D button. I'm experimenting with it now.
Update 2: What overwrites my control?I tried using the Graphics properties of various objects I can think of, but I always fail. Finally, I tried the Graphics of the form, and apparently something is overwriting my button.
Here's the code:
Protected Overrides Sub OnDrawItem(ByVal e As System.Windows.Forms.DrawItemEventArgs)
Dim TextToDraw As String = _DefaultText
__Brush_Window.Color = Color.FromKnownColor(KnownColor.Window)
[code]....
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Nov 27, 2011
So I have a custom control that acts like a combobox and I want to use a custom background image for it. I also want to use a custom hover color and remove those white borders or set them to transparent as seen in the picture below.
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Mar 4, 2012
I want to create ComboBox that looks like this:
I have all the images needed for this set. where should I begin to create something similar?
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Dec 8, 2011
I have a custom control that acts like a combobox and I want to use a custom background image for it.
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Mar 5, 2011
Appropriate Title would be: Bind comboBox Tag to database.I have a comboBox on form which is bounded but and I need to populate it manually. With some reading on net i have found a way but it is not working
I can populate my combo, select item in combo, update database but the problem is when I load my form it displays empty combo (combo is fulled with my custom data but nothing is selected it must select correct ItemText) and after selecting a value in combo, the value disappears as soon as combo losses focus .
[Code]...
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Apr 14, 2009
I have a custom combobox. Items are of this class
Public Class CustomItemsCombo
Public Sub New(ByVal valore As Integer, ByVal descrizione As String)
Me.Valore= valore
Me.Descrizione= descrizione
End Sub
[Code] .....
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Feb 25, 2010
I'm trying to create a ComboBox control with a TreeView style. I have been giving a link to an article by MSDN forums which include a sample as a starting point. [url] I downloaded the sample and convert its C# code to VB. The sample is a windows forms application so I moved the controls of the sample to a new Windows control library. I also modify and added some of the code to try to make it the way I want. Now I'm facing a problem with this control and I need your help to understand why it not behaving the right way. I'm trying to learn and build a ComboBox with a TreeView style.
The control inherits from the windows ComboBox control and when I place it on a form for the first time it look exactly as a CompbBox control but once I run the application for the first time the control appearance become deferent and it's not drowning its self as the windows ComboBox do. When I try to expand its width by dragging one of its sides by the mouse it doesn't work properly. I struggled understand why its behaving this way and how I can correct this behavior but unfortunately I couldn't. [Code]
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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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Sep 3, 2009
i create my custom combobox control and i'd like to set DropDownStyle property on DropDownList but it not works correctly. [Code] When i put my custom control in my form i want to see DropDownStyle set to DropDownList and not DropDown as default.
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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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Jun 5, 2009
I have added a custom Control to my project, but every time I edit it and rebuild the form that I use the custom control in adds the project name in front of the control and won't compile. i.e. Project name = MyProject, Custom Control name = MyControl. When I rebuild the project after editing my control I get an error, MyProject.MyControl doesn't exist. If I remove the MyProject from the line it compiles and runs fine until next time I edit the custom control.
I can't figure out what I would be doing wrong to cause this, or why it is putting the project name in front of the control, but then not accepting it. I am also struggling figuring out how to change the back color on an individual cell in an Datagridview Combo Box. The style.backcolor property of the cell doesn't seem to do anything.
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May 13, 2009
I have completed my project and i have one remaining thing to settle... I want to make the combobox not to be able to write yourself. for example there are 4 options ,"A","b", "c","d".If i type w in the combo all the project is ruined!i want not to be able to type at all to prevent this...Which property should i change?
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Dec 15, 2009
I am working on a windows application using VB.net 2.0 and want to create a custom ComboboxControl which displays multiple groups. I was able to display the items in Custom combobox with headers. Below is the sample.
Header 1
Item 1_1
Item 1_2
[code]....
I want to prevent users from selecting the header items. I managed to revert back to the previously selected item if user selects the header item. Problem with this approach is drop down collapses and then reverts back to previously selected item. Is there a way to check, if the item being selected is a header item and if it is a header item, do not collapse the dropdown. Basically I want to implement behavior of HTML select list with optgroup.
1_1 1_2 1_3 2_1 2_2 2_3
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Aug 7, 2010
Is it possible to make a "Custom.Custom"? Example:
Custom.Custom1 = "1"
Custom.Custom2 = "2"
and
MessageBox.Show(Custom.Custom2)
Would show "2"
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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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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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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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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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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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Dec 8, 2009
How would I use "custom Hotkeys"? For example, if my textbox's text is F5, then how would I use GetAsyncKeyState to get "F5"?
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Oct 4, 2011
I've not really worked with them before, well at all really. How would I go about creating a control which has multiple picture boxes, so then I can access each picturebox and refer to them via custom properties? I'm not aware you can draw several picture boxes and combine them into one control?
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Nov 5, 2010
I am writing a program and I need a way for the user to input information into a pop up screen, i.e. may be up to 10 settings for the program. I have looked at using a parent and child form but it seems somewhat difficult to pass data between forms. I have also looked at custom dialog boxes but it seems like there would be an easier way? Is there a way that a form or similar box could pop up when a button on form1 was pressed and then the user could make the needed selections and then click ok on form 2. This would then save the selections to some global variable that could be accessed by form1 after form 2 has been closed?
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Aug 28, 2009
I am using VS/VB 08 together with access 07 for my project. I am trying to fill my datagridview using a custom SQL query where the "where" criteria is altered to accept the column name from the selection of the user. When a user clicks on a column in the datagrid I want that column to be represented in the query. This is what I have but is not working. Is this possible by the way?
[Code]...
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Dec 19, 2011
Im creating a simple application to search and manipulate a database.I want to add a text box to search a name but I want the textbox to be eyecandy. I dont want the traditional textbox.I dont know how to make custom controls.
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Aug 8, 2011
i've been trying to use customcontrols made in vb.net 2008 but when i try to add them to a vba form using
Dim x as new MyCustomControl.Usercontrol
Me.Controls.Add(x)
it returns "activex can't create object" The control itself has nothing special, it's just random textboxes and a few buttons. why i can't use the control?
Edit: TLB has been addeded on references.
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Dec 16, 2009
I have a dll application that has its own app.config file associated with it.It has custom sectiongroups, sections, element collections, etc.The application name is WireShopAutomation.dll, so the built config ends up as WireShopAutomation.dll.config.The problem is that I seem to be unable to open the section group.The error message is:"Could not load type 'WireShopAutomation.cfgSectionGroup_WireShopMain' from assembly 'WireShop Automation'"It seems to find the config file, but not the class handler for the section group and possibly the assembly itself.The class handler for this is in the same project as the application itself.[code]I should've also indicated that I can see the properties of configuration file in the Config object. In fact, I can even see the WireShopAutomation_Main section group. However, it can't seem to access it.
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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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Jun 6, 2009
im creating my own custom form design for some of my programs...i would like to get the basic form down and then save it as a template...before i can do that i need some help designing and creating the form. Im going for a windows office 2007 sorta look with a glowing orb at the top right. I need a few coding elements to implement first.
[Code]...
yes these are all things capable with the traditional windows form but i want something more my style. Also im creating a orb like thing in the top left and a minimize/maximize/close button at the top right. I was going to use just images...is this the best way or can i create better graphics in wpf or something like that? Some more things that i would like but dont nessarly need would be the capablity to make my form with the clear vista aero glass instead of a single static color...i dont know mutch about this but is there an easy way to extend the vista aero glass theme across forms and if so what would that look like on xp machines.
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Mar 14, 2009
I would like to generate some custom dialog boxes that I can call from anywhere in my project.
The easiest example I can give is of a form that waits for two numbers to be entered then returns their sum. I want to call it like a function ie. sum = add_two_numbers( " Enter the numbers you want to add then click add)This is not what I actually want to do, that is far more complex, this just a simple way to explain what I want to do. If I can do this I can do what I really want.
Essentially I want forms that will accept some input, process it and return a string. A bit like an input inputbox, an openfiledialog box or a fontdialog box. I also need to pass strings to it.I can do it if I use a function declared in a module which calls the form and then returns the value once it is calculated but isn't there a simpler more elegant method?
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