Re: [ADVANCED-DOTNET] C# Wire up events using reflection

EventInfo.AddEventHandler requires a delegate as its second parameter. The syntax you require is therefore: ei.AddEventHandler(Ctrl, new EventHandler(StatusBarEventHandler)); -- Ian Griffiths DevelopMentor - Original Message - From: "Keith Balaam" <[EMAIL PROTE

Re: [ADVANCED-DOTNET] Smart clients and offline usage

be built into the CLR. But today if you want disconnected operation but with the option to download updates, you will need a shim application to manage this updating for you. Have a look at http://www.gotdotnet.com/team/windowsforms/appupdater.aspx for some ideas -- Ian Griffiths DevelopM

Re: [ADVANCED-DOTNET] Massive Use of Threads Issue

;t forget this) 1MB per thread. Thanks for > blowing 300 Mb for nothing so far :-) Nope. As someone else point out, all it reserves is address space. The memory isn't allocated until the stack grows to fill it. -- Ian Griffiths DevelopMentor You can read messages from the Advanced DOTNET archive, unsubscribe from Advanced DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.

Re: [ADVANCED-DOTNET] Smart clients and offline usage

e problem is Assembly.LoadFrom only specifies a codebase, not a full name. So it has to hit the web server to find out whether it needs to download a new copy. -- Ian Griffiths DevelopMentor - Original Message - From: "Joe Duffy" <[EMAIL PROTECTED]> > I am unabl

Re: [DOTNET] ADO.NET and Dispose

"Kevin E. Kenny" <[EMAIL PROTECTED]> wrote: > Where there is a Close() it will invariably call Dispose(). For SqlConnection that's not quite true. Close() doesn't call Dispose(). But Dispose() does call Close(). Dispose() also clears the connection string. -

Re: [DOTNET] OT: spaces in subject line

TSERV puts in had been stripped out. -- Ian Griffiths DevelopMentor - Original Message - From: "Larry McCoy" <[EMAIL PROTECTED]> Ian, Thanks for the explanation. It seems to me, after reading the various replies I've seen is that it is a combination of several th

Re: [DOTNET] Diff between Asynchronous calls and threading

had to involve more than one thread.) -- Ian Griffiths DevelopMentor - Original Message - From: "franklin gray" <[EMAIL PROTECTED]> With the discussions of late about Asynchronous calls, I have to ask. What is the difference between it and executing a method in another

Re: [DOTNET] OT: spaces in subject line

biguously permitted to do so by the RFC822 spec. The fact that it causes problems is a symptom of bugs in email clients. (But I still wish LSOFT would stop LISTSERV from sticking in these spaces, since it's such a widespread bug.) -- Ian Griffiths DevelopMentor You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.

Re: [DOTNET] Console window for Windows application

ole Application. (There's nothing magic about the /t:winexe switch - it just disables the behaviour your describe. Console applications are definitely allowed to open windows.) -- Ian Griffiths DevelopMentor - Original Message - From: "Rune Christensen 8397" <[EMAIL PROT

Re: [DOTNET] Find Current DataRow in Bound Control's Table

Set, "TableName"]; As an alternative you can also use BindingContext[whatever].Current to return the current row. For a DataTable I think this will be an object of class DataRowView. So you can do something like this: object columnValue = BindingContext[myTable].Current["So

Re: [ADVANCED-DOTNET] Unhandled Exception Management

othing happen at all? -- Ian Griffiths DevelopMentor - Original Message - From: "Paul Stevens" <[EMAIL PROTECTED]> > I have run into e few strange problems when using different methods to > handle "unhandled" exceptions > > I have tried catching all u

Re: [ADVANCED-DOTNET] Strange tab order behavior

custom control you mention fit into all of this? (Don't send a screenshot to the list - I'm fairly sure that the LISTSERV will reject the attachment, and even if it doesn't sending bitmaps to mailing lists never tends to be popular.) -- Ian Griffiths DevelopMentor - Origi

Re: [DOTNET] Why is CancelButton special?

else that CancelButton does for you? -- Ian Griffiths DevelopMentor - Original Message - From: "Chris Sells" <[EMAIL PROTECTED]> > If I set the AcceptButton to a button whose DialogResult is set to None, > pressing that button does not automatically close the form. > &

Re: [DOTNET] Read only behaviour for a DataTable

pushes those updates back to the database. -- Ian Griffiths DevelopMentor - Original Message - From: "franklin gray" <[EMAIL PROTECTED]> Don't think there is anyway to prohit another programmer from changing the data in a datatable. -Original Message- Fro

Re: [ADVANCED-DOTNET] Threading is blocking itself or ?

elp a LOT. But using asynchronous socket calls on a single thread will help at least as much on a single CPU system. You can queue up just as much outbound network traffic, and you won't be paying the overhead of getting the OS scheduler to do the work for you. -- Ian Griffiths DevelopMentor You

Re: [ADVANCED-DOTNET] Threading is blocking itself or ?

ng these threads is really bad for performance.) -- Ian Griffiths DevelopMentor - Original Message - From: "Jesse Sanders" <[EMAIL PROTECTED]> > Ian, > > Thanks for the reply. Here is the code for the SOAP class. I didn't write > the actual soap calls

Re: [ADVANCED-DOTNET] Threading is blocking itself or ?

with any of the controls on your form? -- Ian Griffiths DevelopMentor - Original Message - From: "Jesse Sanders" <[EMAIL PROTECTED]> > Ben, > > Thanks for the tip on the priority. I had just set it back to below normal > to try to test this morning. I jus

Re: [ADVANCED-DOTNET] custom web control and the gac

es within a component that is in the GAC) Have you found problems with this technique? -- Ian Griffiths DevelopMentor - Original Message - From: "Craig McMurtry" <[EMAIL PROTECTED]> > You are confronted with a limitation of custom Web controls. > > > Khoi Pham

Re: [DOTNET] Urgent Pls-- Explorer Style Interface

is possible to fix it after you've done this. But it's usually simpler to get it right in the first place.) -- Ian Griffiths DevelopMentor - Original Message - From: "george antony" <[EMAIL PROTECTED]> > Did u try this ...I am not able to put a splitter >

Re: [DOTNET] Urgent Pls-- Explorer Style Interface

(Obviously this puts the treeview on the left and the listview on the right, but I'm guessing that's what you meant to say - that's the way round they are in every version of Windows Explorer I've ever used.) -- Ian Griffiths DevelopMentor - Original Message - From:

Re: [DOTNET] Old Unanswer Question: How do you trap hosted IE events?

not be necessary in RTM HTMLDocument htmlDoc = (HTMLDocument) Marshal.CreateWrapperOfType(document,typeof(HTMLDocument)); So, given that the RTM shipped a while back, is there anything that should be changed in here? (Beyond removing that comment...) -- Ian Griffiths DevelopMentor Yo

Re: [DOTNET] Casting to a Type from an Enum

Does it return an object whose type is System.Type? Or does it return some object that implements IBar? If the latter, then as has already been pointed out, you don't need to do any conversion. Just cast to IBar (which will do a non-converting cast.) -- Ian Griffiths DevelopMentor - Origi

Re: [DOTNET] Hashtable XML Serialization

implement ICollection but not IDictionary?) -- Ian Griffiths DevelopMentor - Original Message - From: "Christoph" <[EMAIL PROTECTED]> > The XmlSerializer will not touch anything that implements IDictionary, it > only serializes collections implementing ICollection or I

Re: [DOTNET] Fonts

OK, so I guess the question is: if fonts are installed but unavailable, does the author of the original question care? Or are only those fonts that can be used interesting? (Would the original question asker please stand up?) -- Ian Griffiths DevelopMentor - Original Message - From

Re: [DOTNET] Fonts

#x27;t care...) The interesting question is going to be "What fonts are available for me to use?" The contents of the font folder are an irrelevant implementation detail, surely? -- Ian Griffiths DevelopMentor - Original Message - From: "Dustin Wish" <[EMAIL PROTECTED

Re: [DOTNET] Strongly named assemblies require Full Trust ???

> Ian Griffiths <[EMAIL PROTECTED]> wrote: > > >By default a strongly-named assembly can only be called by > > full-trusted callers. I think this is intended as a 'secure by > > default' setting, because it should reduce the chances of > > someone b

Re: [DOTNET] Windows Software Restriction Policies and CAS

COREE.DLL. If the latter, you might see something different. But it certainly doesn't ever execute the unmanaged entry point on XP if you have the framework installed. -- Ian Griffiths DevelopMentor - Original Message - From: "John Lam" <[EMAIL PROTECTED]> I'm f

Re: [DOTNET] Fonts

Why would that be easier than searching through the list of FontFamily objects returned by the mechanisms I mentioned? -- Ian Griffiths DevelopMentor - Original Message - From: "Dustin Wish with NCA Communications" <[EMAIL PROTECTED]> > Try doing a search through t

Re: [DOTNET] Strongly named assemblies require Full Trust ???

you have explicitly declared that you think your component will be robust in the face of malicious code calling into it, such code will not even be given the chance to try. -- Ian Griffiths DevelopMentor - Original Message - From: "Wayne Kelly" <[EMAIL PROTECTED]> > It ap

Re: [DOTNET] Fonts

your client application is using private copies of fonts.) I'm not aware of a way of looking the name to see if it is installed though. As far as I'm aware you just have to search the list. -- Ian Griffiths DevelopMentor - Original Message - From: "Jeff Roberts" &l

Re: [DOTNET] Accessor on an accessor not allowed. Why?

about (as > implied by Petzold). Well you can always do this: Size localCopyOfSize = someControl.Size; localCopyOfSize.Width *= 2; This makes it slightly more obvious what will get modified. And if that's not what the developer meant, then in that case, no you fundamentally can't do it. (I've not read the part of Petzold in question yet, so I can't comment. Although I have the book - if you give me a page number I can be more specific...) -- Ian Griffiths DevelopMentor You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.

Re: [DOTNET] why does DataSet have to be static meber

Of course what hadn't occurred to me was that you might be doing web forms. Being a Windows Forms guy, I tend to think of a Windows Forms form when someone says Form. If it's ASP.NET, then no, as a couple of people have pointed out you don't get the same instance every time. -

Re: [DOTNET] why does DataSet have to be static meber

is empty? (Is the dstMaster itself null? Or is it non-null but referring to something that appears to have no data in it?) -- Ian Griffiths DevelopMentor - Original Message - From: "Karen Healey" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, May 2

Re: [DOTNET] Accessor on an accessor not allowed. Why?

it a value type in the first place) then there's nothing useful that the Size.Width set accessor can do anyway. -- Ian Griffiths DevelopMentor You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.

Re: [DOTNET] why does DataSet have to be static meber

? -- Ian Griffiths DevelopMentor - Original Message - From: "Karen Healey" <[EMAIL PROTECTED]> > I've created a class in C# with a DataSet data member declared like this: > > private DataSet dstMaster; > > I have a method that builds it by concaten

Re: [DOTNET] AOP to police thread affinity? (was Re: [DOTNET] Modeless WinForms Bug)

r not checking that entry conditions have been met. -- Ian Griffiths DevelopMentor -Original Message- From: Jeff Roberts [mailto:[EMAIL PROTECTED]] It sure would have saved me a lot of time if an exception had been thrown ! You can read messages from the DOTNET archive, unsubscribe fr

Re: [DOTNET] Simple binding (WinForms) updates

or some reason this is not present in the PropertyManager. I don't understand why this wasn't made a method of BindingManagerBase since it would be useful in both binding scenarios. -- Ian Griffiths DevelopMentor - Original Message - From: "Sean Greer (SBI-Chico)" <[

Re: [DOTNET] Modeless WinForms Bug

tool box onto the form. But not everyone starts from that angle of course... -- Ian Griffiths DevelopMentor - Original Message - From: "Jeff Roberts" <[EMAIL PROTECTED]> Chris, Until today, I did not even know that System.Windows.Forms.Timer existed. I needed a

Re: [DOTNET] Putting bits of UI on a secondary thread? (was Modeless WinForms Bug)

calls you never realised could block for seconds at a time... (Or against 3rd party controls.) -- Ian Griffiths DevelopMentor - Original Message - From: "Matthew Adams" <[EMAIL PROTECTED]> > Thinking about it, I guess one possible application would be a > multiple-

Re: [DOTNET] Modeless WinForms Bug

n will be the same: don't do UI stuff on a worker thread - you don't own the worker thread. Which means either don't use the System.Timers.Timer class, or if you must, use Control.Invoke to get the real work done on the right thread.) -- Ian Griffiths DevelopMentor - Origina

Re: [DOTNET] Modeless WinForms Bug

ead in the first place...) This means that you are free to do UI things when it calls you back, and there is no need to use Control.Invoke first. So try changing your code to use the Windows Forms timer and see if that helps. -- Ian Griffiths DevelopMentor - Original Message - From: &qu

Re: [DOTNET] Modeless WinForms Bug

Which kind of timer are you using? (There are several different Timer classes in .NET.) -- Ian Griffiths DevelopMentor - Original Message - From: "Jeff Roberts" <[EMAIL PROTECTED]> I have a modeless form that works perfect when shown from a menu click event, but if

[DOTNET] Simple binding (WinForms) updates

ange notification", but it's not entirely clear how you are supposed to do that. (Or at least it's not clear how to do it if your data source isn't list-like.) -- Ian Griffiths DevelopMentor You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.

Re: [DOTNET] ToolboxBitmap bug ?

u are seeing. -- Ian Griffiths DevelopMentor - Original Message - From: "Pierre Greborio" <[EMAIL PROTECTED]> > It happens something strange. In the manifest there is the assembly name > added MyAssembly.MyNamespace.MyControl.bmp whereas the filename is > MyNames

Re: [DOTNET] Problem with the VS.NET utilities

I saw this problem once on a machine with a bad hard disk. Perhaps your hard drive is flakey? -- Ian Griffiths DevelopMentor - Original Message - From: "Rathna Raj" <[EMAIL PROTECTED]> > I haven't done a comprehensive virus scan on this machine, because thi

Re: [DOTNET] ToolboxBitmap bug ?

e embedded resources are listed in the MANIFEST. You'll see what they are really called there. Also, remember these things are case sensitive - check the case is correct. -- Ian Griffiths DevelopMentor - Original Message - From: "Pierre Greborio" <[EMAIL PROTECTED]>

Re: [DOTNET] embed bitmap

is? (Other than nant, or nmake...) -- Ian Griffiths DevelopMentor - Original Message - From: "Luis Abreu" <[EMAIL PROTECTED]> > well I want to include a bitmap in a c# windows app. I've just checked > the book programming windows wicth c# and the writer s

Re: [DOTNET] MDIClient Object not available?....

the forms into MDI mode, since it only appears to do things you don't actually want? Why not just make the child windows...normal child windows? -- Ian Griffiths DevelopMentor - Original Message - From: "Matt Horne" <[EMAIL PROTECTED]> > I need to exactly place w

Re: [DOTNET] help with owner draw menus

transparent region, but that's different. To get a drop shadow you want to have different transparency in different places.) -- Ian Griffiths DevelopMentor - Original Message - From: "Joao Santa Barbara" <[EMAIL PROTECTED]> Hi people... o saw all the explanations .

Re: [DOTNET] help with owner draw menus

ll be more efficient. > gr.FillRectangle( SystemBrushes.Control, rect ); So how come you used SystemBrushes here? It's the right thing to do, I just assumed you didn't know about it, since you hadn't used it anywhere else... :-) -- Ian Griffiths DevelopMentor You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.

Re: [DOTNET] Setting properties

You could do what the TrackBar appears to do - silently adjust values to enforce the constraint. If you set the Maximum to be less than the Minimum it adjusts the Minimum, and vice versa. -- Ian Griffiths DevelopMentor - Original Message - From: "Chris Sells" <[EM

Re: [DOTNET] Does anyone know how to trigger an event based on a timechange?

o just to keep aligned.) I'm not sure why this is, as I would have expected the Windows Forms timer to derive ultimately from the same time base as DateTime. -- Ian Griffiths DevelopMentor - Original Message - From: "Peter Foreman" <[EMAIL PROTECTED]> > --- Davi

Re: [DOTNET] Attributes question

ContextBoundObject would hook into the .NET interception layer. But right now there is no documented way of getting attributes of your devising automatically instantiated. -- Ian Griffiths DevelopMentor You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.

Re: [DOTNET] MDIClient Object not available?....

ven any guarantee that it will be there in future versions of the framework. So writing code with a dependency on it is probably not a good idea. What exactly are you trying to achieve? (Why do you need to know the exact client area size?) -- Ian Griffiths DevelopMentor - Original Messag

Re: [DOTNET] Cursor File as a Resource?

upport for ResourceManager-based resource files in the Cursor class). -- Ian Griffiths DevelopMentor - Original Message - From: "Matt Horne" <[EMAIL PROTECTED]> > Can a .CUR file be stored in a resource file? I can do it with bitmaps, > strings, and icons but not with mouse curs

Re: [DOTNET] Import?

eed because there isn't a direct mapping between the names - for example, although you're trying to import System.Drawing.Imaging, the assembly that the classes live in is actually System.Drawing. And some of the mappings are more whacky - a lot of the System classes live in mscorli

Re: [DOTNET] WinForms Data Binding

> Also any reason you bound to the Dataset rather than the table ? Habit. :-) -- Ian Griffiths DevelopMentor - Original Message - From: "Ben Kloosterman" <[EMAIL PROTECTED]> > I was sort of hoping to do it without using the changed events - I avoid &g

Re: [DOTNET] Loading forms

ingly hard... -- Ian Griffiths DevelopMentor - Original Message - From: "franklin gray" <[EMAIL PROTECTED]> Well, the spawning of a new thread isn't that hard, just dealing with all the little things such as showing the right cursor, dealing with the case that if a user close

Re: [DOTNET] inheriting from Windows forms

rting point is to create a new Custom Control class and then in the source code it produces, change the base class to be whatever you wish to derive from. -- Ian Griffiths DevelopMentor - Original Message - From: "Reggie Burnett" <[EMAIL PROTECTED]> > Can object

Re: [DOTNET] prohibit window from moving by mouse

} I think this is simpler than Rama Krishna's version - his will work (and you should avoid the flickering on resize if you catch all of the messages he suggests). But this seems to do everything in one go for me. -- Ian Griffiths DevelopMentor - Original Message - From: "Joh

Re: [DOTNET] prohibit window from moving by mouse

on of your window. (Your window never actually gets redrawn when it is dragged, its contents are merely moved.) -- Ian Griffiths DevelopMentor - Original Message - From: "Alois Reisinger" <[EMAIL PROTECTED]> Hi everyone, I have a form that is programmatically atta

Re: [DOTNET] ASP.NET's Application object: does it scale?

d be a bad idea. In particularly you absolutely would not want to lock it for the whole time it takes to serve a page up. (Well duh... But that would be a no-brainer solution to thread safety for accessing the Application object. I've seen worse...) -- Ian Griffiths DevelopMentor - Or

Re: [DOTNET] ASP.NET's Application object: does it scale?

ry (5). A million an hour is definitely (6), but how many of those are there? Not even Microsoft get a million page views an hour on average. [1] http://www.microsoft.com/backstage/inside.htm -- Ian Griffiths DevelopMentor - Original Message - From: "Thomas Tomiczek" <[EMAIL

Re: [DOTNET] Why does Substring() throw?

e robust, it's a good thing that I have no option). I dislike anything that attempts to press on regardless in the fact of manifestly bad input. For these methods to behave as I believe you are suggesting rather smacks of On Error Resume Next... :-) -- Ian Griffiths DevelopMentor You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.

Re: [DOTNET] Multithreaded v. Singlethreaded

like OLE drag and drop wouldn't work with Windows Forms applications. -- Ian Griffiths DevelopMentor - Original Message - From: "David B. Bitton" <[EMAIL PROTECTED]> > I'm guessing that [STAThread] is marking to componenet as > Single Threaded Architectur

[DOTNET] ANN: Free PercentageProgress control

indicating progress, with the percentage in the middle. I wrote this in order to put my money where my mouth was - people were claiming that the lack of XOR support in GDI+ presented some kind of barrier to doing this sort of thing. This control doesn't use XOR... -- Ian Griffiths DevelopMentor Yo

Re: [DOTNET] ProgressBar Question

clip rectangle to the first section and draw it, and set it again to the second section, and draw it with reversed colours. Who needs XOR anyway? -- Ian Griffiths DevelopMentor - Original Message - From: "Bryan Batchelder" [EMAIL PROTECTED] I recall reading that GDI+ lacks XOR

Re: [DOTNET] Confirm string GetHashCode reflects string, not object

*goes back and actually reads the documentation for HashAlgorithm.HashSize* "Gets the size of the computer hash code in *bits*." (my emphasis) D'Oh! -- Ian Griffiths DevelopMentor - Original Message - From: "Joel Mueller" <[EMAIL PROTECTED]> > An

Re: [DOTNET] Confirm string GetHashCode reflects string, not object

the strings... Or is there some reason you can't store the strings? -- Ian Griffiths DevelopMentor - Original Message - From: "Erick Thompson" <[EMAIL PROTECTED]> > Upon further reflection, I think that using GetHashCode isn't a good idea to > check if I&#

Re: [DOTNET] lock - how expensive is it to call?

hread.MemoryBarrier(); by reading from and writing to a volatile variable.) -- Ian Griffiths DevelopMentor You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.

Re: [DOTNET] Threading and Enumeration

ion as you enumerate through it, because you won't be modifying your copy. Why would you actually want to make the copy by some means other than enumeration? (I originally assumed Graeme's post was a joke...) -- Ian Griffiths DevelopMentor - Original Message - From: "Duncan

Re: [DOTNET] Graphics on MDI forms

It does this *after* it has called OnPaint. I've no idea why it bothers calling OnPaint in this case, since it always draws straight over whatever has been drawn... So you can't draw anything in an MDI parent, but your code works as is in an MDI child when I try it. -- Ian Grif

Re: [DOTNET] Securing testability...

mock queue for testing. -- Ian Griffiths DevelopMentor - Original Message - From: "Justin Rudd" <[EMAIL PROTECTED]> > Hi Drew, > > > Lots of people do this, it's a well-known testing > > pattern referred to as Mock Objects[1]. &

Re: [DOTNET] Components, Designer and Dispose

lf when it closes, unless you've done something unusual specifically to prevent that. -- Ian Griffiths DevelopMentor You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.

Re: [DOTNET] Components, Designer and Dispose

ose on the form. (That doesn't happen automatically when the form is closed - you are allowed to reopen a form after closing it, so disposal only happens if something calls Dispose explicitly.) -- Ian Griffiths DevelopMentor - Original Message - From: "Axel Heitland"