Visual Basic

31-Mar-04 1:04

ninie_salwa wrote:
anybody can help me doing url link in textbox.i want to link the website url and email

This is a little vague or off target. A text box is something for entering text. If you put a URL or email address in it it won't be clickable.

Do you mean a LinkLabel[^]?

"You can have everything in life you want if you will just help enough other people get what they want." --Zig Ziglar

"On two occasions, I have been asked [by members of Parliament], 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able to rightly apprehend the kind of confusion of ideas that could provoke such a question."
--Charles Babbage (1791-1871)

Deleting exe file

Goodway30-Mar-04 19:39

Goodway

30-Mar-04 19:39

I have a general question:
when we want to delete a program we go to control panel...Add remove program.We uninstall the program, we don't delete it by clicking on the delete button.
i make a vb.net application, i used the exe file to start the application.
if i delete this exe file, it will harm my operating system? i mean some dlls could be deleted with the exe or not?
Thank you.

Colin Angus Mackay31-Mar-04 0:59

31-Mar-04 0:59

Goodway wrote:
i make a vb.net application, i used the exe file to start the application.
if i delete this exe file, it will harm my operating system?

If you delete an EXE file using Windows Explorer then all that is deleted is the EXE file, nothing else. If the program is in use Windows will not permit you to delete it because it is still in use.

Goodway wrote:
i mean some dlls could be deleted with the exe or not?

No. Nothing else. When you go to Add/Remove programs in the Control Panel what it is doing is uninstalling the application based on information placed in the system registry on installation. To do this you would need to create a Setup Project to handle the installation.

Does this help?

Goodway31-Mar-04 19:31

Goodway

31-Mar-04 19:31

No sorry,
I didn't understand about creation a Setup Project to handle the installation.

Colin Angus Mackay31-Mar-04 21:10

31-Mar-04 21:10

For more information on Setup and Deployment projects see MSDN:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vsintro7/html/vbtskCreatingOrAddingSetupProject.asp[^]

Colin Angus Mackay31-Mar-04 21:12

31-Mar-04 21:12

Actually, this is probably a better link:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vsintro7/html/vboriDeploymentInVisualStudio.asp[^]

I need help printing

Pugman81230-Mar-04 19:36

Pugman812

30-Mar-04 19:36

I am working on a project that i need to print a string and just some database records and i have no idea how to do this on .NET.

Does anyone have just a simple way to do this or an example i can use. I wish it was still like 6.0 that was so easy. Thank you for any help.

PLEASE HELP haaaaaa!!!!

Re: I need help printing

mhreddy31-Mar-04 22:23

mhreddy

31-Mar-04 22:23

Add a "PrintDocument" Control to the form...

Private Sub PrintDocument1_PrintPage(ByVal sender As Object, ByVal e As System.Drawing.Printing.PrintPageEventArgs) Handles PrintDocument1.PrintPage

e.Graphics.DrawString("The String You Want To Print", _
New Font("Arial", 12), _
Brushes.Black, New RectangleF(30, 20, 650, 850))
'30, 20, 650, 850 = these coordinates represent the rectangle in which the give text will be printed

End Sub

Private Sub ToolBar1_ButtonClick(ByVal sender As Object, ByVal e As System.Windows.Forms.ToolBarButtonClickEventArgs) Handles ToolBar1.ButtonClick

Dim PrintDialog1 As New PrintDialog
PrintDialog1.Document = PrintDocument1
Dim result As DialogResult = PrintDialog1.ShowDialog()

If (result = DialogResult.OK) Then
PrintDocument1.Print()
End If

End Sub

--------------------------

hope this helps you..

Harry

OCX Control VB .NET

sbeausol30-Mar-04 18:24

30-Mar-04 18:24

I have a need to use the ocx controls provided with a software suite to access binary data files. The ocx controls basically amount to get methods which return information stored in the binary file. Works smooth with VB6, but was hoping to use the more robust features of .net.

I have got some methods to work, but methods which return a string fail with a 'type mismatch'. In other words, a method which returns boolean, integer, or double works. Any thoughts on how I could get around this? The ocx is registered, and is currently added by dragging the component onto the form I am working with. Can't get it to work any other way.

Any help is appreciated.

Dave Kreskowiak31-Mar-04 3:43

Dave Kreskowiak

31-Mar-04 3:43

sbeausol wrote:
The ocx is registered, and is currently added by dragging the component onto the form I am working with. Can't get it to work any other way.

That's the only way to get it to work. You might want to give us some information about where the problem occurs, some code snippets, and maybe a little doc on what the functions of the control are supposed to be returning? You've given us a bunch of 'this works, that works', but nothing on what isn't working.

RageInTheMachine9532

sbeausol31-Mar-04 4:27

31-Mar-04 4:27

Some more detailed info:

The ocx filename: xrawfile.ocx

From what I can tell (I don't have the source) it essentially consists of a Class 'XRawfile' which has several get methods. Here is an example of a method which fails in VB .NET type mismatch:

GetCreatorID

long GetCreatorID(BSTR FAR* pbstrCreatorID);

Return Value

1 if successful; otherwise, see Error Codes.

Parameters

pbstrCreatorID A valid pointer to a BSTR. This variable must exist and be initialized to NULL.

Remarks

Returns the creator ID. The creator ID is the logon name of the user when the raw file was acquired.

VB 6 Example

// example for GetCreatorID
BSTR bstrCreatorID = NULL;
long nRet = XRawfileCtrl.GetCreatorID ( &bstrCreatorID );

And here is a method that does work:

GetVersionNumber

long GetVersionNumber(long FAR* pnVersion);

Return Value

1 if successful; otherwise, see Error Codes.

Parameters

pnVersion A valid pointer to a variable of type long. This variable must exist.

Remarks

Returns the file format version number.

VB 6 Example

// example for GetVersionNumber
long nVersionNumber;
long nRet = XRawfileCtrl.GetVersionNumber ( &nVersionNumber );

Again, this method is returning a long (or int in VB .NET)

Thanks for any help

Dave Kreskowiak31-Mar-04 5:33

Dave Kreskowiak

31-Mar-04 5:33

sbeausol wrote:
long GetCreatorID(BSTR FAR* pbstrCreatorID);

Return Value

1 if successful; otherwise, see Error Codes.

Parameters

pbstrCreatorID A valid pointer to a BSTR. This variable must exist and be initialized to NULL.

Remarks

Returns the creator ID. The creator ID is the logon name of the user when the raw file was acquired.

VB 6 Example

// example for GetCreatorID
BSTR bstrCreatorID = NULL;
long nRet = XRawfileCtrl.GetCreatorID ( &bstrCreatorID );

We still need the code your using in VB.NET so we can see what your doing. How the string your passing is declared, what the function call looks like.
All I can tell you right now is that the string your passing in should be a StringBuilder object.

RageInTheMachine9532

sbeausol31-Mar-04 9:43

31-Mar-04 9:43

Here is what I have tried to call it:

Dim Creator as String
XRawfileCtrl.GetCreatorID(Creator)
This results in a type mismatch

Dim Creator as New StringBuilder()
XRawfileCtrl.GetCreatorID(Creator)
This gives me the error:
Value of type 'System.Text.StringBuilder' cannot be converted to 'String'.

Thoughts?

Dave Kreskowiak1-Apr-04 1:44

Dave Kreskowiak

1-Apr-04 1:44

The more I think about this, the more I think your going to have to modift the MISL code in order to generate the custom marshaler your going to need to get that pointer. It would have been much easier if the library wasn't an ActiveX control.

Basically, since your component is expecting a pointer to a BSTR and expecting to be able to return a pointer to another BSTR, you're going to have to allocate memory for the BSTR and pass the pointer to it to the GetCreatorID function.

The reason for this is because the function your calling will deallocate the BSTR you passed in and will allocate a new one, passing that pointer back to you.

Sorry, but how to do this is out of my realm of experience.
I would need the library your using to be able to play with this and get it to work.

RageInTheMachine9532

Anonymous1-Apr-04 4:02

Anonymous

1-Apr-04 4:02

any examples on how I might get started (I don't want to inconvenience you by sending the files)...

What exactly is a BSTR?

Also, would it make sense to use another language - Visual C# or Visual C++... or will I have the same problem...

Thanks for all the help

sbeausol1-Apr-04 4:04