C#

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Debugging jyoti doiphode13-Jan-04 23:58 jyoti doiphode 13-Jan-04 23:58  How to debug JavaScript code in C#. Re: Debugging Heath Stewart14-Jan-04 4:41 Heath Stewart 14-Jan-04 4:41  You have to attach a JavaScript debugger to the C# application. If you're using JScript.NET, you can attach the Managed Debugger to the code. If not, you'll have to find some proprietary JavaScript debugger capable of this but I know of none that can attach to running processes.   -----BEGIN GEEK CODE BLOCK----- Version: 3.21 GCS/G/MU d- s: a- C++++ UL@ P++(+++) L+(--) E--- W+++ N++ o+ K? w++++ O- M(+) V? PS-- PE Y++ PGP++ t++@ 5 X+++ R+@ tv+ b(-)>b++ DI++++ D+ G e++>+++ h---* r+++ y+++ -----END GEEK CODE BLOCK----- Finding names of local user accounts EnkelIk13-Jan-04 23:46 EnkelIk 13-Jan-04 23:46  Hi all. Is there an easy way to retrieve the names of all the local user accounts on a computer? If it is possible to get additional information about the accounts that would be great, but it is not absolutely necessary... Thanks /EnkelIk Re: Finding names of local user accounts Mazdak14-Jan-04 2:51 Mazdak 14-Jan-04 2:51  See my article about it: Getting local groups member names in C#[^] Mazy No sig. available now. Re: Finding names of local user accounts EnkelIk14-Jan-04 4:54 EnkelIk 14-Jan-04 4:54  Thanks for your answer. This also works (putting the names of the accounts into a datatable): string strHost=Environment.MachineName; DirectoryEntry vscDirEnt=new DirectoryEntry("WinNT://" + strHost + ",computer"); DataTable vscDT=new DataTable(); DataRow vscDR; vscDT.Columns.Add("names",System.Type.GetType("System.String")); foreach(DirectoryEntry vscAccount in vscDirEnt.Children) { if(string.Compare(vscAccount.SchemaClassName,"User",true)==0) { vscDR=vscDT.NewRow(); vscDR["names"]=vscAccount.Name; vscDT.Rows.Add(vscDR); } } Thanks /EnkelIk Re: Finding names of local user accounts Mazdak14-Jan-04 8:20 Mazdak 14-Jan-04 8:20  Yes,but only works when you working wiht Active Directory. Mazy No sig. available now. Reversible Frames on Windows Forms occcy13-Jan-04 22:22 occcy 13-Jan-04 22:22  Hello! I want to draw a reversible frame on my windows form. I have found the method ControlPaint.DrawReversibleFrame, but this method is not, what I'm looking for. I need a dotted frame like a fokus rectangle. Is there somebody who can tell me, how I can draw such a frame or how I can draw dashed lines with a XOR combination of colors? Thanks Björn Re: Reversible Frames on Windows Forms Heath Stewart14-Jan-04 4:14 Heath Stewart 14-Jan-04 4:14  If you need a focus rectangle, why not use ControlPaint.DrawFocusRectangle? You can specify both the foreground and background colors. If you need to invert the colors, you can create a new Color by XOR'ing each of the R, G, and B components with 0 or 0xfff. If you want to draw a rectangle around the bounds of the control itself use the Control.Bounds property for the rectangle param of the DrawFocusRectangle method. If neither of these approaches is quite what you want, you can draw dotted lines by using a custom Pen with the Pen.DashStyle property set in calls to Graphics.DrawLine or Graphics.DrawRectangle and similar methods.   -----BEGIN GEEK CODE BLOCK----- Version: 3.21 GCS/G/MU d- s: a- C++++ UL@ P++(+++) L+(--) E--- W+++ N++ o+ K? w++++ O- M(+) V? PS-- PE Y++ PGP++ t++@ 5 X+++ R+@ tv+ b(-)>b++ DI++++ D+ G e++>+++ h---* r+++ y+++ -----END GEEK CODE BLOCK----- How use Ms treeView In asp.net Old Gun13-Jan-04 22:03 Old Gun 13-Jan-04 22:03  I follow all ms treeview document steps, There need to copy webcontrls.dll to app's direction,but i can't find this file. Re: How use Ms treeView In asp.net Heath Stewart14-Jan-04 4:04 Heath Stewart 14-Jan-04 4:04  You have to download it from http://asp.net/ControlGallery/default.aspx?Category=38&tabindex=2[^]. Follow the directions to properly install the client files and ASP.NET assemblies in the appropriate directories. Unfortunatley, this is a manual installation for each Web Application in which you want to use these controls.   -----BEGIN GEEK CODE BLOCK----- Version: 3.21 GCS/G/MU d- s: a- C++++ UL@ P++(+++) L+(--) E--- W+++ N++ o+ K? w++++ O- M(+) V? PS-- PE Y++ PGP++ t++@ 5 X+++ R+@ tv+ b(-)>b++ DI++++ D+ G e++>+++ h---* r+++ y+++ -----END GEEK CODE BLOCK----- Re: How use Ms treeView In asp.net Not Active14-Jan-04 7:02 Not Active 14-Jan-04 7:02  It doesn't necessarily need to be configured per app. In our configuration the dll is loaded into the GAC on the webserver and the webctrl_client folder is under the webroot. sharing internet offline files Mohamad Al Husseiny13-Jan-04 18:18 Mohamad Al Husseiny 13-Jan-04 18:18  sharing internet offline files between two OS? which i mean if i have two OS Win 98 and 2000 Pro and each one on different partition and i connect to the internet using win 98 i want to see the offline files win i'm using win 2000 i want to write program that do this or if there are solution at the windows please tell me Re: sharing internet offline files Heath Stewart14-Jan-04 4:02 Heath Stewart 14-Jan-04 4:02  Why are you posting this in the C# forum? This is a Windows question and should be directed to the appropriate forum or the Lounge. I will answer anyway, but please do not post in an inappropriate forum again. There is a solution in Windows already. Add a favorite to a web site and check the "Offline" check box (or something like that) to download a cached copy. This will be limited to the current OS unless you share the same Internet Cache folder for Internet Explorer in both operating systems, but remember that Windows 9x/ME cannot access NTFS so you'll either have to format your Win2K partition as FAT32 (not a good idea because you loose file security features) or have Win2K access the FAT/FAT32 partition in Windows. If you're talking about offline network share files, only Windows NT (which includes 2000, XP, and 2003) supports this so your Win98 installation will have to access that folder, which means you'll have to format the partition as FAT32 (again, a bad idea).   -----BEGIN GEEK CODE BLOCK----- Version: 3.21 GCS/G/MU d- s: a- C++++ UL@ P++(+++) L+(--) E--- W+++ N++ o+ K? w++++ O- M(+) V? PS-- PE Y++ PGP++ t++@ 5 X+++ R+@ tv+ b(-)>b++ DI++++ D+ G e++>+++ h---* r+++ y+++ -----END GEEK CODE BLOCK----- Re: sharing internet offline files Mohamad Al Husseiny14-Jan-04 19:20 Mohamad Al Husseiny 14-Jan-04 19:20  sorry for posting in wrong forum but i did that in case that i have to write application to do this in all cases thanks for your help Graph classes for C# crushinghellhammer13-Jan-04 13:50 crushinghellhammer 13-Jan-04 13:50  Hello, I'm writing an application that reads in a .WAV file and performs some DSP operations on it. Visual representation of this data is essential, and I'm looking for some classes that would help generate X-Y plots, including the following: 1. Plot title 2. X and Y axis titles 3. Choice of color for multiple plots on the same graph. Could somebody point me to suitable resources? I know that there are companies selling such packages, but all I need is an X-Y plot, and a free class would be ideal. Thank you! Re: Graph classes for C# scadaguy14-Jan-04 2:42 scadaguy 14-Jan-04 2:42  crushinghellhammer wrote: Could somebody point me to suitable resources? I know that there are companies selling such packages, but all I need is an X-Y plot, and a free class would be ideal. Try the MSChart control. It is installed with VS.NET. I realize that it is COM, but it still works nicely in .NET. Brian Re: Graph classes for C# Giles14-Jan-04 11:17 Giles 14-Jan-04 11:17  If what you need is free, and in C# then you could try: http://www.csharphelp.com/archives3/archive503.html[^] "Je pense, donc je mange." - Rene Descartes 1689 - Just before his mother put his tea on the table. Shameless Plug - Distributed Database Transactions in .NET using COM+ Marshalling from C# string directly to an MFC CString jerrycainjr13-Jan-04 13:14 jerrycainjr 13-Jan-04 13:14  I'm curious if you know of any good documentation on how to convert a C# string to an MFC CString. A C# application I'm working on needs to call a C++ function exported by a dll, and the prototype of that function includes several MFC CString objects. I suspect it's trivial to do, but that it involves some esoteric knowledge of the built-ins that I just don't have. I'm also hoping to circumvent the use of managed C++ to do this but simply preparing the correct byte-format structure that can sit in and be accepted and properly interpreted as a CString by the C++ function. Thanks, Jerry jerry@cs.stanford.edu Re: Marshalling from C# string directly to an MFC CString Heath Stewart14-Jan-04 3:43 Heath Stewart 14-Jan-04 3:43  The first thing to do is read the documentation for the DllImportAttribute in the .NET Framework SDK, as well as the MarshalAsAttribute. The first is how you P/Invoke native functions. Since an MFC CString can be cast to an LPTSTR, you use use the UnmanagedType.LPTStr in the MarshalAsAttribute for the string parameter. There's also several articles about P/Invoke and interoperability in the .NET Framework SDK that should help.   -----BEGIN GEEK CODE BLOCK----- Version: 3.21 GCS/G/MU d- s: a- C++++ UL@ P++(+++) L+(--) E--- W+++ N++ o+ K? w++++ O- M(+) V? PS-- PE Y++ PGP++ t++@ 5 X+++ R+@ tv+ b(-)>b++ DI++++ D+ G e++>+++ h---* r+++ y+++ -----END GEEK CODE BLOCK----- Animating True Type Fonts mrhicks13-Jan-04 12:01 mrhicks 13-Jan-04 12:01  Hello all, I have any unusual question for you all. My piqued interest in the Thai lanugage/culture has prompted me to develop my own Thai Learning System. For the various consonants and vowels I want to animate how to draw each symbol. I was thinking of using a Thai True Type font and for each character animate along it to demostrate how it is drawn. My problem is how can I read the true type fonts coordinates and animating along the symbol? Perhaps I need to hook the event that actually paints the symbols on the canvas then with my own event actually paint the symbol in some sort of time lapse fashion to present it in an animated fashion. My other thought was to create a bunch of methods that draw each symbol as lines/arcs/Bezier Curves, but I figured it would be easier tracing the true type font in a generic fashion. With the lines/arcs/Bezier Curves I don't know how to get teh GDI+ engine to animate the points. Is there a way? If anyone has any other suggestions or a better solution, which I am sure exist, please let me know. Mark H. Re: Animating True Type Fonts Heath Stewart13-Jan-04 13:00 Heath Stewart 13-Jan-04 13:00  First of all, .NET doesn't contain such low-level hooks. All you could do is draw the fonts yourself. I'm not even aware of any way to control fonts to such a degree exposed in the Win32 APIs and I've spent over a decade getting headaches from them (though such headaches might have lead to temporary blindness, causing me to miss such functionality )! This would be a function of GDI so you could look into the documentation. Besides, true type fonts don't really contain any data that would allow you to show how each character is drawn. They contain points that help with resizing but those aren't in any order that is representational to how a human would draw them. Your best bet will be to - as you didn't want to do - use lines, beziers, etc., to draw the characters. Might I recommend Macromedia Flash, though? I've seen a lot of examples of similar presentations that actually draw things in steps. You would also be able to easily host this in a web page (you can with .NET controls, but it requires the ~20 MB framework and a pre-installed security policy to allow your code form a specific site to run), any COM client, or even a .NET application (which can be a COM client). If you wanted to use GDI+ in a .NET application, you would have to worry about all the animation. For example, if you use Graphics.DrawLine to draw a line, the line is just there. It won't be animated. You'd instead have to call Graphics.DrawLine repeatedly to draw longer and longer lines until you reached the desired length! That's easy, though, compared to curves - you would have to calculate each point in the spline or the start and sweep angles for arcs with each iteration of the animation! You could use Managed DirectX - which will help you with graphics a little - but you'd still need to worry about creating a package to handle the character animation. Things like Flash and even DHTML with vector graphics already have this support - you just have to tell it how to animate what you want.   -----BEGIN GEEK CODE BLOCK----- Version: 3.21 GCS/G/MU d- s: a- C++++ UL@ P++(+++) L+(--) E--- W+++ N++ o+ K? w++++ O- M(+) V? PS-- PE Y++ PGP++ t++@ 5 X+++ R+@ tv+ b(-)>b++ DI++++ D+ G e++>+++ h---* r+++ y+++ -----END GEEK CODE BLOCK----- Re: Animating True Type Fonts leppie13-Jan-04 13:45 leppie 13-Jan-04 13:45  Your best bet is to use freetype, refer the XFree86 codebase leppie::AllocCPArticle("Zee blog"); Seen on my Campus BBS: Linux is free...coz no-one wants to pay for it. GDI+ missing functionality in PocketPC Gizz13-Jan-04 7:52 Gizz 13-Jan-04 7:52  Sorry if this is a common problem that people already know the answer to, but... I've written a cool app for use in aircraft navigation, and it draws a compass rose by drawing to a graphics path and then using a matrix to rotate it. Except this functionality is missing in the PocketPC GDI+ library. Apart from the obvious (write my own anti-aliased rotation code) is there anything I can do to get this to work on a PocketPC? TIA. for (int i = 0; i < 360; i+=10) { GraphicsPath gpRose = new GraphicsPath(); gpRose.AddLine(centre.X, centre.Y - radius - 3, centre.X, centre.Y - radius - 13); if (i%30 == 0) { gpRose.AddString(i.ToString("000"), new FontFamily("Arial"), (int)FontStyle.Regular, 10, new PointF(centre.X - hdgWidth/2, centre.Y - radius - 25), null); } Matrix roseMatrix = new Matrix(); roseMatrix.RotateAt((float)(i-iActualHeading), new PointF(centre.X, centre.Y)); gpRose.Transform(roseMatrix); e.Graphics.DrawPath(p, gpRose); } Re: GDI+ missing functionality in PocketPC Heath Stewart13-Jan-04 8:21 Heath Stewart 13-Jan-04 8:21  While the GraphicsPath and Matrix classes aren't supported in the Compact Framework, the Graphics class is. It won't be easy since you'll have to do a lot of calculates instead of harnessing the power of the Matrix (and I thought the "Matrix" was a bad thing! ), but you could perform all the drawing using the methods of the Graphics class.   -----BEGIN GEEK CODE BLOCK----- Version: 3.21 GCS/G/MU d- s: a- C++++ UL@ P++(+++) L+(--) E--- W+++ N++ o+ K? w++++ O- M(+) V? PS-- PE Y++ PGP++ t++@ 5 X+++ R+@ tv+ b(-)>b++ DI++++ D+ G e++>+++ h---* r+++ y+++ -----END GEEK CODE BLOCK----- Re: GDI+ missing functionality in PocketPC leppie13-Jan-04 13:54 leppie 13-Jan-04 13:54  I tried to port a custom control earlier today, and althought the Graphics class is availble, its severly limited. I did notice a GAPI .NET wrapper on pocketpcdn.com[^] leppie::AllocCPArticle("Zee blog"); Seen on my Campus BBS: Linux is free...coz no-one wants to pay for it.

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