Visual Basic Discussion Boards

Guffa4-May-06 23:41

4-May-06 23:41

A .NET program can be run on any computer that has a compatible framework installed. The Mono project[^] supports Linux, Mac OS X, Sun Solaris, BSD and Windows.

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I want to get the screen resolution

Ishalini4-May-06 21:41

Ishalini

4-May-06 21:41

I have a problem how to get the current screen resolution

pls help me immmidiately

Re: I want to get the screen resolution

Chatura Dilan4-May-06 22:41

Chatura Dilan

4-May-06 22:41

Hi,

You can simply get it like this

Dim Resolution As String<br />
Resolution = My.Computer.Screen.WorkingArea.ToString()

Dim x As Integer<br />
Dim y As Integer<br />
x = My.Computer.Screen.WorkingArea.Width<br />
y = My.Computer.Screen.WorkingArea.Height

but note that This property is new in the .NET Framework version 2.0.

Regards,

Chatura Dilan

Re: I want to get the screen resolution

sathish s4-May-06 23:11

sathish s

4-May-06 23:11

vb.net - winforms
MessageBox.Show(Screen.PrimaryScreen.Bounds.Size.ToString())
vb
wid = Screen.Width \ Screen.TwipsPerPixelX
hgt = Screen.Height \ Screen.TwipsPerPixelY

Re: I want to get the screen resolution

Chatura Dilan4-May-06 23:40

Chatura Dilan

4-May-06 23:40

Sathish, I found another way by your code
I think this support both frameworks 1.1 & 2

wid = Screen.PrimaryScreen.WorkingArea.Width<br />
hgt = Screen.PrimaryScreen.WorkingArea.Height

Regards,

Chatura Dilan

Re: I want to get the screen resolution

ADY0075-May-06 0:58

ADY007

5-May-06 0:58

Thanks alot man!!

Adrian De Battista: .Net Programmer, Java Programmer and Web Designer.

Re: I want to get the screen resolution

sathish s5-May-06 1:05

sathish s

5-May-06 1:05

Yes, it works

How do I convert a PrintDocument to a Bitmap?

furjaw4-May-06 19:49

furjaw

4-May-06 19:49

Visual basic 2005 Express Edition:

I have a PrintDocument:

Private WithEvents mDoc As New PrintDocument()

I would like to convert it to a Bitmap, so that I can write it out to disk as a JPEG.

How do I convert a PrintDocument to a Bitmap?

Re: How do I convert a PrintDocument to a Bitmap?

Duncan Edwards Jones4-May-06 20:36

Duncan Edwards Jones

4-May-06 20:36

At the end of each "PrintPage()" event you could save the graphics object passes in as a bitmap.
Bear in mind that the bitmap will be paper size (i.e. much bigger than a screen)

Alternatively allow it to print to pdf (using a pdf driver) or take the EMF spool file and preview that with the article/code I submitted to this site last year.

'--8<------------------------
Ex Datis:
Duncan Jones
Merrion Computing Ltd

Word documents’s TextChanged event

Chatura Dilan4-May-06 19:40

Chatura Dilan

4-May-06 19:40

I can open word document like this

Dim WordApp As New Word.Application<br />
WordApp.Documents.Add()<br />
WordApp.Visible = True

Does anyone know to get or create word documents’s TextChanged event.

Thank you Smile | :)

Regards,

Chatura Dilan

Re: Word documents’s TextChanged event

Rizwan Bashir5-May-06 1:20

Rizwan Bashir

5-May-06 1:20

I am not sure. but I think there is not direct event available.
the only option is to get the file write date&Time (and will occur only when the file is saved) for this two ways

1 is FileSystemWatcher.. check that

2. is to get the lastwrite time .. put this in timer
'
BeforeTime = System.IO.File.GetLastWriteTime(FileName with fullpath)
msgbox (beforeTime)

Rizwan Bashir

Re: Word documents’s TextChanged event

Chatura Dilan5-May-06 2:12

Chatura Dilan

5-May-06 2:12

Thanks Rizwan, I'll try

Regards,

Chatura Dilan

Image Editing Canvas

A M SOMAN4-May-06 19:13

A M SOMAN

4-May-06 19:13

Hi,

Is there any way in .NET language to create a user control which I can use as a Image Editing Canvas? I want a page like canvas on which I can add Text, image, rotate it, resize it and then crop, etc. And finally save the contents of the canvas as an image. Could you please suggest me the approach or any source code?

Thanks
Regards

Anil

Re: Image Editing Canvas

Rizwan Bashir5-May-06 1:23

Rizwan Bashir

5-May-06 1:23

http://www.codeproject.com/info/search.asp?cats=3&cats=4&cats=5&cats=6&searchkw=image+viewer&Submit1=Search&author=&sd=15+Nov+1999&ed=5+May+2006[^]

Rizwan Bashir

Re: Image Editing Canvas

A M SOMAN5-May-06 2:01

A M SOMAN

5-May-06 2:01

Thanks Rizwan. I will check out the information.

Need Design Pattern for my problem

D.Sridhar4-May-06 18:34

D.Sridhar

4-May-06 18:34

Hi,

I am trying to create a form builder similar to this

http://www.formassembly.com/form-builder.php

First it creates a form. And then it creates sections which are added to the form. And then it creates form elements (Questions) to the sections. I am thinking of doing this using object oriented approach. Is there a specific design pattern that I can follow to code this hierarchy. Please let me know.

Thanks,
Sridhar.

repeater????

manisahmuhamed4-May-06 17:31

manisahmuhamed

4-May-06 17:31

hi...i hav just one question to ask.. Sigh | :sigh:

1. how to populate a repeater from array?

2. i had already tried to populate a repeater using arraylist but the prblem is the latest data will overlap the previous data which means in the repeater, it only shows one row of data that is the latest data inserted...
my Question is...how to let the previous data in the repeater remains and the new inserted data will not overlap the previous data and will be displayed below the previous data in the repeater

i hope dat i will get the example of coding..tq so much... Roll eyes | :rolleyes:

mada mada dane

How Change Registry permission?

mrmastii4-May-06 17:28

mrmastii

4-May-06 17:28

Hello:
For past two weeks I am struggling with an issue.

I wrote a VB console application [VB 2005 express]
Every thing is working fine expect the last part

At the end the code suppose to restrict access to a registry key to the “SYSTEM” user
i.e HKEY_LOCAL_MACHINE\Software\ABC_application
DWORD value is “GO”
Data is 3 in hex

I want to restrict “SYSTEM” to ABC_application key, in another words deny access explicitly.

I am referring to ACL permission to registry key, [regedit -> rightclick on regkey…]

Appreciate you help

Re: How Change Registry permission?

Dave Kreskowiak5-May-06 3:07

Dave Kreskowiak

5-May-06 3:07

Why on earth would you want to do this??

Dave Kreskowiak
Microsoft MVP - Visual Basic

Re: How Change Registry permission?

mrmastii5-May-06 4:12

mrmastii

5-May-06 4:12

This is to enforce security of the application. I don’t want any one to change the permission [except Administrator, domain or local].
Especially to prevent abuse from half smart users...
Thanks

Re: How Change Registry permission?

Dave Kreskowiak5-May-06 4:46

Dave Kreskowiak

5-May-06 4:46

That's nice... Your application won't be able to change anything under that key. This is because the app runs under the security context of the user that launched it.

If you restrict access to that key to only SYSTEM, noone else, including Admins and Domain Admins, will be able to change anything under that key. You will restrict access to the Kernel and only the Kernel! This is of course, unless you change the default restrictions on the Admin accounts.

Does that REALLY sound like a good idea to you?? And does your app's security REALLY need to be that tight?? I doubt it...

Dave Kreskowiak
Microsoft MVP - Visual Basic

Re: How Change Registry permission?

mrmastii5-May-06 5:28

mrmastii

5-May-06 5:28

Dave thank you for replying:
My understanding is that a regkey will have full control allow to SYSTEM and Administrator. So, if I deny to SYSTEM, I still could change permission back to allow with admin access, ie if I log on as administrator.
Currently, to test my app, I am changing permission manually [regedit --> right click on regkey, permission... so on].

Do I need it?
Because of sensitivity data’s I am incline to this solution.

Re: How Change Registry permission?

Dave Kreskowiak5-May-06 7:04

Dave Kreskowiak

5-May-06 7:04

The changes are working because permissions are being inherited from the keys above the one you're modifying. Take that away, and you won't be able to recover the key, or even get at it.

If the data is that sensitive, encrypt it. Don't put Admin's through the hassle of fixing this when it breaks. Notice, I didn't say if it breaks! Supportibility is not optional.

Dave Kreskowiak
Microsoft MVP - Visual Basic

Re: How Change Registry permission?

mrmastii5-May-06 8:40

mrmastii

5-May-06 8:40

Thanks again for feedback.
Right now got a work around [segregate keys with unrelated destination and key_names].

Encryption is not in scope yet.. But I will keep it back of my mind [i am sure it will a whole new beast, especially with fs]

FYI The solution I am dancing around
http://msdn2.microsoft.com/en-us/library/system.security.accesscontrol.registryaccessrule.aspx
also
One of the issues that I am not getting handled on is “SetAccessControl” [Microsoft.Win32.RegistryKey]

Thanks

-- modified at 14:40 Friday 5th May, 2006

Cannot inherits Image class??????

svincoll44-May-06 15:01

svincoll4

4-May-06 15:01

i want to inherit image class. but it's error
who can help me?????

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