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HOW TO: Access Serial Ports and Parallel Ports by Using Microsoft Visual Basic .NET
http://support.microsoft.com/default.aspx?scid=kb;en-us;823179&Product=vb6
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I'm relatively new to the languange, so I apologize for the newbishness exuded by this question. I'm trying to write a program where, among other things, pressing a button will take writeable text from TextBox1 to the read-only TextBox2. My problem comes when I want to have each sequential text entry on a new line. For example, I'm getting
FirstTextEntry:SecondTextEntry:ThirdTextEntry
when I want
FirstTextEntry
SecondTextEntry
ThirdTextEntry
I've tried appending Chr(13), to both the input at the time of entry and to the display window after each entry, but it makes no visible changes. Any ideas on how to accomplish this?
----------------------------------------------
They say that if you play a Windows Install CD backeards, you can hear Satanic messages. That's nothing, play it forwards and it installs Windows.
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You should use Environment.Newline rather than Chr(13). You'll notice that Environment.Newline adds 2 characters as is necessary in Windows.
Do you want to know more?
Vogon Building and Loan advise that your planet is at risk if you do not keep up repayments on any mortgage secured upon it. Please remember that the force of gravity can go up as well as down.
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Hello All,
Is there nothing in VB.net equivalent to a Form Unload in VB6?
Thanks,
nju0843
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which one do you want?
Protected Overrides Sub Finalize()
MyBase.Finalize()
End Sub
Protected Overrides Sub OnClosing(ByVal e As System.ComponentModel.CancelEventArgs)
End Sub
Private Sub Form1_Closed(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Closed
End Sub
Private Sub Form1_Closing(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles MyBase.Closing
Close()
End Sub
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i have a code for getting image from scanner in c# i want to convert it into vb.net. the C# code is
private string imageFileName;
bool takeFirst = true;
foreach( object wiaObj in wiaPics ) // enumerate all the pictures the user
// selected
{ //wiaPics is of wiaLIB.CollectionClass
if( takeFirst )
{
wiaItem = (ItemClass) //wiaItem is of WiaLIB.ItemClass type
****line to consider***
Marshal.CreateWrapperOfType( wiaObj, typeof(ItemClass) );
imageFileName = Path.GetTempFileName(); // create temporary file for
// image
Cursor.Current = Cursors.WaitCursor; // could take some time
this.Refresh();
wiaItem.Transfer( imageFileName, false ); // transfer picture to our
// temporary file
pictureBox.Image = Image.FromFile( imageFileName ); // create Image
// instance from
// file
takeFirst = false;
thanx in advance
☺«««DTA»»»☺
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somthing like this:
Private imageFileName As String
takeFirst As Boolean = True
For Each wiaObj As Object In wiaPics
If takeFirst Then
wiaItem = (ItemClass)
Marshal.CreateWrapperOfType(wiaObj, GetType(ItemClass))
imageFileName = Path.GetTempFileName()
Cursor.Current = Cursors.WaitCursor
Me.Refresh()
wiaItem.Transfer(imageFileName, False)
pictureBox.Image = Image.FromFile(imageFileName)
takeFirst = False
End if
Next
The C# to VB converter is Here:
http://www.developerfusion.com/utilities/convertcsharptovb.aspx
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Hello,
I have Form1 wich loads at startup. When i press one button on this Form1, it launches Form2.
The problem occurs in when i try to exit. It will bring up a MessageBox for to ask you if i want to Exit Form2. If I press No, Form1 comes in front of Form2. Is there a way to make sure that Form2 stays upside.
Details. Form2 TopMost must stay False. Because the problem i have when it is enabled is that Form1 is activated while Form2 is in front.
Can someone help me with this.
Thanks
<br />
Private Sub Form_Closing(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles MyBase.Closing<br />
If OK2Close = False Then<br />
If MessageBox.Show("Are you sure you want exit?", "", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button1, MessageBoxOptions.ServiceNotification) = DialogResult.No Then<br />
e.Cancel = True<br />
<br />
End If<br />
End If<br />
End Sub<br />
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When a form calls MessageBox, the message box is shown Modally to the caller form.
It means that, until the message box hasn't moved away, you cannot access the caller form. One other thing that a modal form (here the MessageBox) does, is that it sets the focus to it's caller form, say the Parent Window.
If you call MessageBox from Form1, it will set the focus on Form1.
But to handle your problem, I suggest:
Make a Public Function in Form2 that shows the message box and returns either True if Ok was pressed or False if Cancel is pressed.
Now in the Form_Closing event of form1, instead of calling the message box, call the function in Form2 and simply check the return value!
I think this is going to solve your problem.
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Can we change the background color of the listview such that we can have row 1 which can have background color as red and row2 should have background color as blue ?
Thanks
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Try the following ,
when you are adding a item to your list view check for alternate row to apply different color.
Say if current row is odd row then write
ListView1.Items(itemindex).BackColor = (New System.Drawing.Color).Aquamarine<br />
and if it is even then
ListView1.Items(itemindex).BackColor = (New System.Drawing.Color).Bisque
Please note that this code colors background of all columns but if the last column width dosen't fills the list view then the list view background appears. So make sure that you columns fits the listview width.
Kumar Saurabh
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Kumar saurabh wrote:
Say if current row is odd row then write
ListView1.Items(itemindex).BackColor = (New System.Drawing.Color).Aquamarine
and if it is even then
ListView1.Items(itemindex).BackColor = (New System.Drawing.Color).Bisque
How do you determine which row is ODD or EVEN?
A thousand mile of journey, begin with the first step.
APO-CEDC
Save Children Norway-Cambodia Office
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I never coding in for this purpose, but I just have some concept from other developer on the internet. Example that you loop to call record from the database and display on the list view.
1. Loop one by one of your record to and put it in the listview row by row.
2. May be use MOD function to check for a remain value of listview index number. (if 2/2 remain 0, if 3/2 remain 1).
3. Base on the remain (only 1 and 0) they can set the background of each row in the listview at the time of loop process.
Try to use google to search for this case and wish you good luck.
A thousand mile of journey, begin with the first step.
APO-CEDC
Save Children Norway-Cambodia Office
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THe function is written in VC++ and created as Maindll.dll.
The functions in maindll.dll is as follows.
we have write code in vb to call these functions and display its value.
Please help me.if poosible send me code to my mail.nayaz600@yahoo.com
BOOL MF_GetMsg( MF_MAIL *mf_mail)
int MF_SendMsg( MF_MAIL *);
BOOL MF_RemoveMsg( MF_MAIL *);
int MF_NumItem( void );
void SMTPServerName(CString serverName);
typedef struct MF_MAIL {
TCHAR env_file[MAX_PATH];
TCHAR body_file[MAX_PATH];
} MF_MAIL;
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Hi all,
I have a tree view where i show different files present in a system. I have to display icon of corresponding file type when i'm adding a file to the tree. One way to do it to add the icons in image list and the check for the extension and show corresponding icon. But in this case it's very much possible taht I leave many icons associated with file extensions.
I want to know the registered icon of a corresponding file type at run time. How can I do that.
Thanks in advance.
Kumar Saurabh
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How to use the SHGetFileInfo function to get the icons that are associated with files in Visual Basic .NET
http://support.microsoft.com/default.aspx?scid=kb;en-us;319340
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I wanty to make an WINDOW SERVICE that could download and upload data to an ftp site at a specific time.
KnowME
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How to access a File Transfer Protocol site by using Visual Basic .NET
http://support.microsoft.com/default.aspx?scid=kb;en-us;832679
How To Create a Setup Project for a Windows Service in Visual Basic .NET
http://support.microsoft.com/default.aspx?scid=kb;en-us;317421
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I want to transfer data between two sql server.For that I have to use DTP Programming in vb.net. So plz give me an example(Code) of this problem so that I can easily solve this problem
Thanks
pkc
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DTS copy database, about half way down the page.
SQL Server 2000 provides programming samples
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/samples/samples_2o1f.asp
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I am designing report with crystal report using Report creation API
functions.Please help me solve a problem: How do i set a condition formula
for report objects such as TextObject,FieldObject,...at runtime using Report creation API functions?
Thanks.
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im a bit confused on this
im using the socket class in a console app
here is my server layout
1. set socket to listen for connections
2. loop
3. acceptsocket
4. heres where im having problems i wana pass that socket off so the loop will continue to accept new connections, Im also unsure about how to name each new connection so i can send data to it later
any help would be great
thanks
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The Ultimate Socket Library
http://www.codeproject.com/vb/net/Silence_Socket.asp
By The Silence
Multi-threaded .NET TCP Server Examples
By Yuen Chiu So
http://www.codeproject.com/dotnet/dotnettcp.asp
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Hello,
I am making help for "URDU" LANGUAGE not for English language. I am using HTML HELP WORKSHOP (comes with VS.NET)".
It works well, but it does not allow me to write text in "URDU" language when i want to add any entry in contents windows.
How can i do this.
reply me
EsHbAn BaHaDuR
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hi!
im very new to vb.net and am currently taking a class on it. i looked around and found an article "Simple VB.NET MIDI & Wave Play Class" that would work for my purposes. i want to add a sound event to a button click. i dont understand the part about "Make a reference to DirectX7 COM-Object"
what does that mean? i have a good idea- reference to a dll maybe?- what do i type to reference it with directx 9.0?
thanx for any input!
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