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jordan2000 wrote:
cant find a soutable code sample fore VB.NET
That's because there really isn't any. Registering as a clipboard viewer is not a common operation at all. You'll have to piece together example, like overriding WndProc and calling into the Win32 API.
But, there is no simple way to do this. There is no event that is fired when the clipboard changes, so you have to go thru the Win32 API pain of registering for notifications yourself.
RageInTheMachine9532
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Hi
I am designing an application in which i need to draw dynamic context Menus with Text and some Icons on the Menu Item.
i know OwnerDraw Property and Draw Item Event
BUT
I dont know how to use then with context Menus with Icons
i desperatly need it
Any one provide me code for that OR the WAY
Thanks
Eman Ali Moughal
Senior Software Engineer
Soon Soft (pvt) Ltd
www.soonsoft.com
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i search alot about this but i can't find any positive solution about it some where i find but they want money for that. So at last i saw this site Forums i Post this post with many hopes plz help me
how can i create my own Ruler Control like Officexp or wordpad in vb.net plz plz help me complete with source code
And plz don't reply me on this forum
just email me i will again very thank ful of you
azeemgujjar@hotmail.com
azeemgujjar@yahoo.com
Hello guys i need your little help plz
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In summary, then:
You want free source code (in VB suitable for VB.NET) to implement a ruler control like the Office one (or the one in wordpad), and you want us to provide it, but you can't even be bothered to occasionally read the discussion board.
Why does a certain two-word (in English, at least, it's two words) phrase involving sex and travel spring to my mind* ?
Steve S
* As it happens, I do have that kind of mind...
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i want to Ruler source code a real ruler like in Office or Word pad plz help me
Hello guys i need your little help plz
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I wonder if the words you're thinking begins with F and ends with f?
Sometimes I feel that the people posting questions in the forums should be a little bit nicer and clearer.
I personally wouldn't help people that are rude and/or imposing, even if I had to I'll do it grudgingly.
Come on people, be nice and you might get help sooner and better than you had expected.
Edbert P.
Sydney, Australia.
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I'd like sex, lots of it, with women from all over the world, but I don't want to travel, I want them to come to me, every hour of the day, every day of the year.
Come on girlz, give my little thing, ur help!
I wonder if I post this, will any geeky women reply. No, better delete it, before I press the post button by accident and my wife kills me.
CLICK!
F*$#!
Nursey
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hi Guys..
here is a place for discussion abaut programming problems!
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What's the best way to trap special key combinations. For example, if I want to develop a control that responds to ALT+S, F4 etc., by setting this key combination as a property. Should these key combinations be pumped from the form to controls or should the controls listen to the key presses being sent to the form?
Nursey
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Hello,
For some reason, I'm getting a Common Language Runtime Error when loading certain vb.net applications on my Win 98 machine. For example, I've tried to build certain sample files such as Music Trivia & Lucky Seven and tested on my Windows 98 machine. The Music Trivia application ran fine. The Lucky Seven app did not. I'm getting a Common Language Runtime Error when opening the application. I've loaded the .NET Framework and it seems to be working fine (the Music Trivia app is working). Does anyone have any ideas why I'm having this problem?
Thanks so much for your help!
Vi
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After converting my app from MSOffice 97 to MSOffice 2002 i get an error message 3021 "No current record" when opening a report. The attached query runs fine with no errors. The report opens after a few dozen 3021 errors with a few readable records and the rest #Fout (or #Error which means the same). Anyone?
Grtz,
Guus
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First you have to tell us whether your app is a Word Macro, Excel Macro, Access Project, VB or something else.
If they are office application (especially Access), there has been major changes on the methods from Office97 to OfficeXP and most likely you have to debug and rewrite your application.
I had to do this for many Word Macros and Access Projects. If you're lucky, you only need to make a minor modification.
Good luck!
Edbert P.
Sydney, Australia.
[EDIT]Doh! I didn't read the title. Yes, you have to debug and rewrite your Access application.[/EDIT]
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The query runs fine but creating a report using the wizard based on the query result in #Error or #Fout in my case. Accompanied by error 3021: No current record. How can i pinpoint the problem?
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I have a mixed VB/C# solution. I have a class in VB which inherits from a C# base class. The derived VB class has an attribute applied to it which the constructor of the C# base class reads.
However, when I build my code (I think incrementally) and run I get "Multiple custom attributes of the same type found." when I execute...
DataDatabase lDatabaseAttr = (DataDatabase)Attribute.GetCustomAttribute(GetType(), typeof(DataDatabase), false);
There is only one instance of this attribute, AFAIK.
If I do a full rebuild of the solution the problem goes away, only to return when I next do a build incrementally.
Suffice to say I have climbed the wall several times and now look to you guys for expert guidance on where I have gone wrong.
Thanks in advance.
Nursey
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Hi All,
I would like to check if the machine is idle. If yes, then the program will trigger something.
Thank you, Wilfred;)
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I am considering the infrastructure for the licensing of applications.
I do not want to use hardware devices such as dongles as I would like users to be able to download the software.
I am interested in using a Web Service to validate registered/paid users.
I have so far detailed the following procedure and appreciate any feedback.
All comments are welcome especially ideas on improving or circumventing similar techniques.
The procedure is as follows:
A user supplies registration details when downloading software from a server. The details are stored in a database and a registration code generated.
The user is sent a copy of the details along with a registration code to the email address supplied during the registration procedure.
The user enters the registration details including registration code into the application.
The client application gathers system specific information which could include MAC Address, Hard Disk Size/Serial Number, Windows Serial Number. This information is used known as a client profile.
The client application generates a new Public Key to be used by the server when responding to an activation request. This key is then appended to the data and encrypted using the Servers Public Key.
The application attempts to connect to the server to request an activation code and passes the encrypted data.
The server decrypts the data using its Private Key and validates the details against a database.
The validation routine checks the following conditions:
1) Has the software already been activated?
2) Has the client profile changed?
3) Are the relevant subscriptions up to date?
The server encrypts a reply using the Clients Public Key and responds to the activation request.
If a positive reply is received from the server, a licence is generated on the client PC by the client application and is encoded with the activation date/time and license number.
The client application periodically checks the validity of the licence by querying the server.
As I said, any comments apreciated.
Regards
Wayne Phipps
____________
Time is the greatest teacher... unfortunately, it kills all of its students
LearnVisualStudio.Net
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i want to use process bar on form with timer but i can not do this plz help me with coding.
thank you.
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Process Bar? What's that?
I take it you mean a Progress Bar?
The ProgressBar is easy enough to use. Set the Minimum and Maximum properties to what ever you want, defaults are 0 and 100. Then set the Step property to an increment value, say 1. That will give to 100 steps through the progress bar. Now, when you want to increment the progress bar, just call the bar's PerformStep method.
If say, you were copying 5 files and wanted a progress bar to show how many file have been copied, you would set Minimum to 0, Maximum to 5, and Step to 1. When the first file is successfully copied, you call PerformStep(), when the next file is done, PerformStep(), ...
RageInTheMachine9532
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Hi,
I am trying to select a row in a DataGrid by simply clicking on the row (any column in the row) which will in turn open a new form with various controls which are binded to the original record which was selected in the DataGrid.
I have the following code which selects the whole row when clicked
Private Sub DataGridComplaints_MouseUp(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles DataGridComplaints.MouseUp<br />
Dim pt = New Point(e.X, e.Y)<br />
Dim hti As DataGrid.HitTestInfo = DataGridComplaints.HitTest(pt)<br />
If hti.Type = DataGrid.HitTestType.Cell Then<br />
DataGridComplaints.CurrentCell = New DataGridCell(hti.Row, hti.Column)<br />
DataGridComplaints.Select(hti.Row)<br />
End If<br />
End Sub
How do I use a column in the selected row to pass information into a variable which can then be used on the next form?
Many thanks for any help you can give me.
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try this:
var=DataGridComplaints.item(hti.Row,x) 'where x is the number of the column that you are trying to get data from
Cosmin
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You could use this logic also to select a row, which has been clicked ( I am not sure which has better performance or whether this logic has a drawback) :
If DataGrid1.CurrentRowIndex > -1 then
DataGrid1.Select(DataGrid1.CurrentRowIndex)
End if
I think to get column value of selected row, you should get it from the underlying DataSet (or DataTable) using the CurrentRowIndex of the DataGrid
For Eg, if your DataSet ds has a table which is shown in the DataGrid, and you want to get value of column with index 3 of currently selected row,
col3Value = ds.Tables(0).Rows(DataGrid1.CurrentRowIndex).Item(3)
But this logic will fail if you have used the RowFilter to filter rows from the DataSet's default view. This is because the row index of DataGrid and that in the DataSet wont be same.
To overcome that you could use this logic to get the DataRow in the DataSet corresponding to the row selected in the DataGrid:
Private Function GetDataRow() As DataRow
Dim dr() As DataRow = ds.Tables(0).Select(ds.Tables(0).DefaultView.RowFilter)
Return dr(DataGrid1.CurrentRowIndex)
End Function
From the returned DataRow, you can take the required value :
col3Value = dr.Item(3)
Hope it helped.
----------------------------------------------------------------------------
"I think there is a world market for maybe 5 computers"
Thomas Watson, chairman of IBM, 1943
"There is no reason anyone would want a computer in their home"
Ken Olson, chairman & founder of Digital equipment, 1977
"This 'telephone' has too many shortcomings to be seriously considered as a means of communication. The device is ingerently of no value to us."
Western Union internal memo, 1876
"640 K ought to be enough for anybody."
Bill Gates, 1981
"Computers in the future may
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HOW I CAN CONVERT COLOR IMAGE TO GRAY SCALE IMAGE
THANK..
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sense... make... doesnt... it?
plz try again.
------------------------
Jordan.
III
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You might want to check out the ImageAttributes class.
RageInTheMachine9532
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I don't know yet if anyone has this problem!
Let's say that I have a database that will store all the information about an order and items and customers… each have a table that is related to the other…
The Problem is that the design of the database is not friendly to the user, this mean if I want to put a Data Grid and bind it to the OrderDetails table, then the user will see the ItemId and not the ItemName (Of cores, because the database is well normalized !).
So, to work around this problem a made another User-Friendly table and each time the user ask to see an order detail, the code will translate the data from the original Unfriendly table to the friendly table…
This worked fine, but what I would do if the user decides to make changes to the order?
Again I have to copy the data from the User-Friendly table to the database (unfriendly table!). This is a complex operation and very hard to do, especially if there is a large number of a table I work with in my original database…
I have the same problem if I want to use crystal report!
Because crystal report will not deal with a large number of related tables, I am forced to make a new table that is a copy of my report design, and each time the user ask to print a report, the data will be transformed to this table, so crystal report can deal with it fine and print the report !!
The question is: if there is a problem with my design concept or I should built a new object that inherit from the dataset object and can join tables together and can send the data back to the original database??? And how to do this??
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