Extend A ComboBox To Support Commands?
May 26, 2010
As topic says, I need to extend the features of a standard Silverlight ComboBox to also support Commanding. Since I follow MVVM I need my ComboBox to communicate the SelectionChanged event to my ViewModel.What would the code look like for doing this? I want to be able to put the Command attribute on my ComboBox XAML control.
View 2 Replies
ADVERTISEMENT
Jul 12, 2011
I insert DataGridViewComboBoxColumn columns in a DataViewGrid. That works fine.
Now, I want the user to be able to not only select one list item, but to "drilldown" into the list that is behind the combobox, allowing him to edit (insert/delete/update) the list.
I think it would be a good idea to display a ".." button right behind the dropdown button of the combobox. Pushing it leads to a dialog where the list can be maintained.
What I am stumbling upon is:
How would I create such a custom combobox? Is ComboBox (which is the base for the combo box that the combo box column creates as its edit control) open enough to accommodate such an additional button? What would be the container of the tiny buttoon -- the ComboBox descendant? How I would make the grid create and handle such a custom combobox?
I currently try to solve this by subclassing DataGridViewComboBoxColum, using a DataGridViewComboBoxCell descendent in its CellTemplate assignment, and overriding PositionWEditingPanel and PositionEditingControl to manipulate the sizes of the panel and the combobox so I'd have space for the tiny button. Is that the correct way?
Or would I have to create a DataGridViewColumn descendant which creates a Panel containing a DataGridView combobox edit control and the tiny button? How would I make sure the column keeps care of the combo box so it has the correct items etc?
View 1 Replies
Apr 28, 2011
I compiled some VB6 code on my Win7 x64 machine and the result .exe will not run correctly on any other machine. VB6 code is just a new template .exe file with one button, a reference to "Microsoft ActiveX Data Objects 2.6 Library" and the following code in the button press event: Dim db Set db = New ADODB.Connection It runs correctly on my machine, but no others (even other Win7 x64 machines) (Update: I found TWO other users where it runs and one of them is Jeff Atwood!, but most machines have the same problem)
[Code]...
View 2 Replies
Jan 17, 2010
about the id3 tags.can be possible to extend the stream from 128 to 256.some parts of the title is missing
View 5 Replies
Nov 12, 2009
I have a couple of bits of code I add to a textbox in my codebehind on form.If I wanted to extend this class or somehow create a shared instance of this code so I can pass in the parameters for text to display in textbox and use in any of my forms.. [code]
View 1 Replies
Oct 24, 2009
i've tried to extend on the default class size, but couldn't do so. example
[Code]...
why is it that there is no such thing as size when im sure that i could create a new size(x, y)
View 6 Replies
Oct 15, 2009
Remember this from before?
Quote:
Since you are repeating same operation three times it is best to make a function for it.
CODE:
labels 1-6 are randomly generated numbers, text boxes 1-3 are the input boxes and the code above shows how if the answer in the textbox equals the labels added together, you win. This code works -
I have created labels 7-12 now, and textboxes 4-6. How can I extend this program so it has subtraction as well?
If this problem definition isn't detailed enough, let me know and I'll add more detail to this description.
View 13 Replies
Oct 31, 2009
is there any way to extend upon a procedure itself?like i want to be able to do the following
Code:
public sub test()
msgbox(special())
end sub and it should popup a string, let's say "cool", plus i shld be able to use special() in every single sub but if we call special() from a function it should be rejected. how can that be done?
also, we should also be able to do the following
Code:
public sub test()
msgbox(specialvariable)
end sub whereby specialvariable is accessible by every sub.
View 3 Replies
Nov 6, 2009
is there anyway to extend upon an existing Interface? i'm just wondering.
View 10 Replies
Dec 4, 2009
How to extend existing components in Visual Studio 2005 to add my own features and functionality. For example, I want to extend datagridview control to include my own extra features.
View 4 Replies
Aug 30, 2010
I reference several 3rd party libraries in my application. I want to put all of these libraries in a folder that is different than where the executable file for my application is located. I would also like to put all of the libraries that are required by the 3rd party libraries (but not referenced by my application) in this same folder.
I need to be able to put the application (and the referenced libraries) on a thumb drive and run the application from any computer without any installation or registering of components. This condition is satisfied if I put all of the required libraries in the same folder as the executable.
For example, if my application is located at E:MyApp then I would like to store all of the 3rd party libraries in the folder E:MyAppDlls. Any way to store all (or at least some) of the libraries in a separate folder?
View 2 Replies
Jan 22, 2012
I am trying to get the result when you extend the non-client area in Windows Aero?
View 3 Replies
Nov 26, 2009
I need to extend the functionality of the ToolTip control...Problem: I need to show some introductionary instructions to my users the first time they see a new form based feature in my app. Something along the lines of: '...Welcome to the blah, blah, blah feature. To do this, click that, mouse here, press that so on and so forth...'
Then I want a 'Don't show this again' check box somewhere near the bottom so the 'welcome screen' can be supressed. Currently I'm thinking of loading an app wide form (Public Dim frmMyToolTip as frmToolTip) and using it's .TopMost property to ensure that when I show it, it appears over my modal form (I can Hide/Show at will.) Also without a caption or border, my users can't move it.
As it will be displayed on top of a Modal form, I need a Background worker component to run a timer which will hide the form after a set period. I can store the state of the CheckBox to stop the form from showing next time if user does not require it.
View 1 Replies
Jun 10, 2009
Is it possible to extend the MyApplication object - either through inheritance or by using a partial class - so as to add custom properties?
View 6 Replies
Feb 10, 2010
In order to organize various methods of my MainForm class, I would like to categorize them into several files. Of course, the methods would still need to access form elements and additional variables I added in the MainForm class.
View 3 Replies
Jul 28, 2011
The maximum value that works for AutoPopDelay property of ToolTip is 30 seconds (30000 milliseconds). Any values greater than this maximum will be defaulted to 5 seconds (5000 milliseconds).[url]...
How to set to extend the duration show time for ToolTip? or alway show until the mouse leave the control?
View 4 Replies
Jun 28, 2010
How to extend the session time. There are many form in my application like parent and child forms. So how can I make pop up to appear when session times out and the pop up should appear on the form where the user is currently in, when popup comes I have to disable all forms like(they should be transparent (i.e) user should NOT be able to edit them).
View 2 Replies
Aug 8, 2011
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
If My.Settings.registered = True Then
Form3.Show()
[code]....
This is my code for a trial application. The code is pretty basic but what i couldn't figure out was how i would be able to prevent users from changing the date to extend the trial ("error" i would be getting).
View 4 Replies
Nov 5, 2009
Has anyone ever used Game Maker 7?
I was wondering, if anyone had any information on making DLL's for this software to extend its function list.
View 2 Replies
Jul 23, 2010
This has got to be one of the most frustrating issues with asp.net. I first got the error parser error cannot load default and as I have done before checked if the naming was correct in th bin folder and made the changes accordingly. Now I get the following error:
somethiing._DEfault is not allowed here because it does not extend class 'System.Web.UI.Page'
where something is the name of the project in the properties. I have the following code in Default:
Namespace FormDiscovery
Partial Class _Default
Inherits System.Web.UI.Page
Shared settings As New System.Configuration.AppSettingsReader
[Code].....
Now I have deleted the project and other in the solution and created a new one and still this error and if I take the 'something' name away I get the cannot load default error.
View 1 Replies
Feb 18, 2009
Correct the problems with this function, and then extend it so that it also returns a usable array of pointers to some structures.
The extended version of this function should: Maintain the same "char *" return type which returns a pointer to a usable, for storing a C string, memory buffer.
In addition, also return a usable array of pointers to structures. This array of pointers is of variable and random length, which must be obtained using GetNumberOfSomeSeqsToGenerate(), which is called, ONLY, from within this new extended version of the function.
The type of these structures and the function that should be used to get these structures are defined as follows:
typedef struct {
char* name; /* '\0'-terminated C string */
int number;
} SomeSeq;
[CODE]...
View 2 Replies
May 28, 2010
I'm writing a .NET CF (VBNET 2008 3.5 SP1) application, which has one master form, and it dynamically loads specific UserControls based on menu click, in a sort of framework idea. There are certain methods and properties these controls all need to work within the app. Right now I am doing this as an Interface, but this is aggravating as all get up, because some of the methods are optional, and yet I MUST implement them by the nature of interfaces.
[Code]...
View 1 Replies
Aug 2, 2010
What I need to do to make this code work for hours as well?[code]...
View 6 Replies
Jul 25, 2010
Is it possible to extend primitive types such as System.String and System.Int32 (IE: integer) in .Net 4 and if so how?
To be more specific, I am aware of the concept of partial classes but this doesnt seem to be the answer. Also I find that System.String is not inheritable and Int32 is a structure.
Lastly I am interested in knowing both a VB.Net and C# answer to the above question.
View 2 Replies
Apr 8, 2011
I want to have my main class for creating activity for 2 different flags.
1) One with relative layout Textview and images for which I am extending my class as[code]...
View 1 Replies
Jun 23, 2009
how to extend glass to program that not using glass like Zune software V 1.
View 2 Replies
Jul 29, 2011
Does anyone know if/when .NET will support SFTP?
View 5 Replies
Jun 24, 2010
1. Is email support still available?
2. Is there any way to tell when it will be available if it still is a service that Microsoft provides?
3. Is there any way of telling what I might be doing wrong, if anything?
The message I receive at all hours anytime I try this (about 10x so far) is:"We are sorry, we are unable to process your order at this time."without any explanation as to why or when I could be able to process the order.
View 4 Replies
Mar 17, 2009
Ok ive looked all over the web but all I can find is examples in other programming languages (cant convert). Can anyone shed some light on how to make a dll that works with rundll32 (just the basics) or tell me were i can find info.
View 5 Replies
Oct 6, 2011
I am attempting to make a browser. I have it set up to where it can support one proxy. My question, is, How would I make it to where the program would read from a text file, and use those proxies? 1 proxy per line?
View 1 Replies