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Setting Version and Date Information - Syntax help needed.

Posted on 2006-07-21
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Last Modified: 2012-06-27
Friends,

I have the following code:

Imports System.IO.FileInfo

Public Class VersionInformation
    Inherits System.Windows.Forms.Form


    Private Sub Label4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label4.Click

    End Sub

    Private Sub VersionInformation_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        Dim myAssemblyPath As String
        Dim a As Reflection.Assembly = _
        System.Reflection.Assembly.GetExecutingAssembly()
        myAssemblyPath = _
        a.Location.Substring(0, InStrRev(a.Location, "\"))

        Dim fileInfo = new FileInfo(Assembly.GetExecutingAssembly().Location ) <--------- I'm getting an error, Assembly - Expression expected

        lblVersion.Text= System.Diagnostics.FileVersionInfo.GetVersionInfo(Assembly.GetExecutingAssembly().Location) <--------- I'm getting an error, Assembly - Expression expected
        lblDate.text = <---------- What does I need to put here to get the Date Modified?
    End Sub
End Class

This code was given to me by another poster, but I'm not sure how to tie it all together, and I'm in a hurry for a response.

Thanks in advance!
Best Regards,
Eric
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Question by:indy500fan
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13 Comments
 
LVL 24

Expert Comment

by:Justin_W
Comment Utility
Assembly.GetExecutingAssembly().Location can return different types of values depending on whether the assembly is in the GAC or not, etc.

What is the actual value returned by "Assembly.GetExecutingAssembly().Location" when the error occurs?
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Author Comment

by:indy500fan
Comment Utility
??? I can't tell you that, because this won't even compile as it is.  By the way, what is GAC?
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Expert Comment

by:YZlat
Comment Utility

GAC is Global Assembly Cache. If more than one application on your machine is using the same component, you can palce that component to GAC
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Expert Comment

by:YZlat
Comment Utility

one of the benefits of doing that is that if you make a change to that component, you won't need to go into every application that uses the component and replace the local copy with an updated version. Using GAC saves you from "DLL Hell" we had in VB6
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Author Comment

by:indy500fan
Comment Utility
From what is described here: I don't think I have multiple apps using this component.  This all seems very complicated (compounded by my stupidity)

This form is a part of a simple exe.  Is there an easier way to find out the file version and date of the exe so that I can display them in an about form?
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Accepted Solution

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Justin_W earned 500 total points
Comment Utility
Oh, a compilation error, not a runtime error.

Use this:

Imports System.IO
Imports System
Imports System.Reflection

Public Class VersionInformation
    Inherits System.Windows.Forms.Form

    Private Sub Label4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label4.Click

    End Sub

    Private Sub VersionInformation_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        Dim myAssemblyPath As String
        Dim a As Reflection.Assembly = _
        System.Reflection.Assembly.GetExecutingAssembly()
        myAssemblyPath = _
        a.Location.Substring(0, InStrRev(a.Location, "\"))

        Dim fi As System.IO.FileInfo = New FileInfo(System.Reflection.Assembly.GetExecutingAssembly().Location)

        lblVersion.Text = System.Diagnostics.FileVersionInfo.GetVersionInfo(System.Reflection.Assembly.GetExecutingAssembly().Location)
        lblDate.text = fi.LastWriteTime.ToString()
    End Sub
End Class
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Author Comment

by:indy500fan
Comment Utility
Justin,

Yeah, sorry I didn't specify the type of error earlier.

It's now giving me another compliation error:

Value of type 'System.Diagnostics.FileVersionInfo' cannot be converted to 'String'.
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Expert Comment

by:Justin_W
Comment Utility
lblVersion.Text = System.Diagnostics.FileVersionInfo.GetVersionInfo(System.Reflection.Assembly.GetExecutingAssembly().Location).ToString()
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Author Comment

by:indy500fan
Comment Utility
Justin,

You have gotten me closer than anyone else today, but this code gives me The exact path to the exe, not the file version number?

Am I driving you nuts yet?

Thanks,
Eric
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Author Comment

by:indy500fan
Comment Utility
Ah, I just realized, it actually gave me all the information. I didn't have a lbl box that was "tall enough"

I'm going to ask in another question a way to limit it to just the version number.

Thanks for your help!
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LVL 24

Expert Comment

by:Justin_W
Comment Utility
Imports System.IO
Imports System
Imports System.Reflection

Public Class VersionInformation
    Inherits System.Windows.Forms.Form

    Private Sub Label4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label4.Click

    End Sub

    Private Sub VersionInformation_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        Dim myAssemblyPath As String
        Dim a As Reflection.Assembly = _
        System.Reflection.Assembly.GetExecutingAssembly()
        myAssemblyPath = _
        a.Location.Substring(0, InStrRev(a.Location, "\"))

        Dim fi As System.IO.FileInfo = New FileInfo(System.Reflection.Assembly.GetExecutingAssembly().Location)

        Dim loc As String = System.Reflection.Assembly.GetExecutingAssembly().Location
        lblVersion.Text = System.Diagnostics.FileVersionInfo.GetVersionInfo(loc).FileVersion
        lblDate.text = fi.LastWriteTime.ToString()
    End Sub
End Class
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Author Comment

by:indy500fan
Comment Utility
Dude,

You rock!

Thank you VERY MUCH!!!

Eric
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Expert Comment

by:Justin_W
Comment Utility
You're welcome!
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