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RE: <DllImport("xFx.dll")> into a compiled VB.net DLL
Class
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Hmmm,
Looking a little closer at this, it looks like it's the .Net Framework that
is having problems rather than xFx particularly.
xFx, as part of its config setup is calling a .Net Framework property
'Application.LocalUserAppDataPath'. It's this that is throwing an
exception.
The LocalUserAppDataPath normally looks like:
'C:\Documents and Settings\username\Local Settings\Application
Data\CompanyName\ProductName\ProductVersion'
.Net will create this path if it does not exist - but in this case it is
failing. Could it be that there is something in the settings for
CompanyName, ProductName or ProductVersion, defined by the main app
(LCDStudio) that would generate an illegal file path?
Try getting values for Application.ProductName, Application.CompanyName
and
Application.ProductVersion in your code and see what you get.
Or maybe there's some problem with permissions on the directory that .Net
is
trying to create the folder in (but that would probably cause all .Net apps
to fail similarly).
.
From: xAP_developer@xxxxxxx [mailto:xAP_developer@xxxxxxx]
On Behalf Of Edward Pearson
Sent: 25 March 2009 12:51
To: xAP_developer@xxxxxxx
Subject: RE: [xAP_developer] <DllImport("xFx.dll")> into a
compiled VB.net
DLL Class
JJG
Looks like the xFx.dll is missing its configuration file. You need to put a
copy of 'xFx.dll.config' in the same directory as xFx.dll.
The xFx.dll keeps its settings in a separate file to the application
(myapp.exe.config) so that you don't have to add all the xFx settings to
the
application's config file yourself.
You can automate the provision of xFx.dll.config to the project's output
directory using Visual Studio by including it as one of the project's files
and setting its 'Build Action' property to 'Content' and its 'Copy to
Output
Directory' property to 'Copy Always'.
HTH
Edward
From: xAP_developer@xxxxxxx [mailto:xAP_developer@xxxxxxx]
On Behalf Of jebusyoda
Sent: 25 March 2009 04:50
To: xAP_developer@xxxxxxx
Subject: [xAP_developer] <DllImport("xFx.dll")> into a
compiled VB.net DLL
Class
How would I construct a <DllImport("xFx.dll")> into a
compiled VB.net DLL
Class. I am coding a plugin for LCDStudio,(A C#.net app.), that compiles to
a VB.net dll. If I use a module my code compiles, but it throws an
exception
when I call the sub "Listen" from my UserControl.
##############################################################
Unhandled Exception:
The type initializer for 'xAPPlugin.xAPListen' threw an exception.
System.TypeInitializationException
Stack Trace:
at xAPPlugin.xAPListen.Listen()
at xAPPlugin.UserControl1.Button1_Click(Object sender, EventArgs e)
at System.Windows.Forms.Control.OnClick(EventArgs e)
at System.Windows.Forms.Button.OnClick(EventArgs e)
at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons
button,
Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ButtonBase.WndProc(Message& m)
at System.Windows.Forms.Button.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message&
m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg,
IntPtr
wparam, IntPtr lparam)
Inner Exception:
Unhandled Exception:
The given path's format is not supported.
System.NotSupportedException
Stack Trace:
at System.Security.Util.StringExpressionSet.CanonicalizePath(String path,
Boolean needFullPath)
at
System.Security.Util.StringExpressionSet.CreateListFromExpressions(String[]
str, Boolean needFullPath)
at
System.Security.Permissions.FileIOPermission.AddPathList(FileIOPermissionAcc
ess access, AccessControlActions control, String[] pathListOrig, Boolean
checkForDuplicates, Boolean needFullPath, Boolean copyPathList)
at
System.Security.Permissions.FileIOPermission..ctor(FileIOPermissionAccess
access, String[] pathList, Boolean checkForDuplicates, Boolean
needFullPath)
at System.IO.Directory.CreateDirectory(String path, DirectorySecurity
directorySecurity)
at System.Windows.Forms.Application.GetDataPath(String basePath)
at System.Windows.Forms.Application.get_LocalUserAppDataPath()
at
ERSP.Utilities.Configuration.LocalFileModuleSettingsProvider.GetPropertyValu
es(SettingsContext context, SettingsPropertyCollection collection)
at
System.Configuration.SettingsBase.GetPropertiesFromProvider(SettingsProvider
provider)
at System.Configuration.SettingsBase.GetPropertyValueByName(String
propertyName)
at System.Configuration.SettingsBase.get_Item(String propertyName)
at System.Configuration.ApplicationSettingsBase.GetPropertyValue(String
propertyName)
at System.Configuration.ApplicationSettingsBase.get_Item(String
propertyName)
at xFx.Properties.Settings.get_xAPHeaderUseExtendedUID()
at KCS.xAP.Framework.Message.xAPHeaderUID..ctor()
at KCS.xAP.Framework.Message.xAPHeaderBase..ctor()
at KCS.xAP.Framework.Message.xAPHeartbeat..ctor()
at KCS.xAP.Framework.Transport.xAPHubClientListener..ctor()
at xAPPlugin.xAPListen..cctor()
###################################################################
Here is the simple module. I can compile an exe sending its message
recieved
to a textbox on a form and it works just fine. The compiled plugin runs
just
fine in LCDStudio, till I call the "Listen" sub. Then
"Something Bad Has
Happened". :)
#################################################################
Imports System
Imports KCS.xAP.Framework.Transport
Imports KCS.xAP.Framework.Message
Public Module xAPListen
Public Message1 As String
Public WithEvents listener As New xAPHubClientListener
Public Sub Listen()
On Error Resume Next
listener.Start()
'Message1 = (String.Format("My address={0}, UID={1}",
listener.Heartbeat.Source, listener.Heartbeat.UID))
End Sub
Sub Listener_EventHandler(ByVal sender As Object, ByVal msgEvent As
xAPMessageEventArgs) Handles listener.eventMessageReceived
On Error Resume Next
Dim msg As xAPMessage = msgEvent.Message
Dim hdr As xAPHeaderBase = msg.Header
Dim body As xAPMessageBody = msg.Body
Dim strhdr As String
Dim strbdy As String
Dim strmsg As String
strhdr = (String.Format("Received {0} from {1}, UID {2}",
hdr.Class,
hdr.Source, hdr.UID))
If InStr(strhdr, "Message.Display") Then
For Each block As xAPMessageBlock In body
Message1 = ""
strbdy = (String.Format("Block: {0}", block.Name))
For Each parameter As String In block.Keys
Dim v As xAPPairValue = block(parameter)
strmsg = (String.Format("{0} = {1}", parameter, v.Value))
Message1 = Message1 & v.Value & vbCr
Next
Next
End If
End Sub
End Module
####################################################################
I have the reference set to the xFx.dll. I have searched google for an
answer as to why.
I believe I need to do a <DllImport("xFx.dll")>? But I cant
seem to pull the
proper way to construct the Function from the xAP Framework xFx v2 Help
file. Any ideas? Am I on the right track?
...JJG
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<div class=Section1>
<p class=MsoNormal><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Hmmm,<o:p></o:p></span></p>
<p class=MsoNormal><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Looking a little closer at this, it looks like
it’s the
.Net Framework that is having problems rather than xFx
particularly.<o:p></o:p></span></p>
<p class=MsoNormal><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>xFx, as part of its config setup is calling a .Net
Framework property
‘Application.LocalUserAppDataPath’. It’s this
that is
throwing an exception. The LocalUserAppDataPath normally looks
like:<o:p></o:p></span></p>
<p class=MsoNormal><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>‘C:\Documents and Settings\username\Local
Settings\Application
Data\CompanyName\ProductName\ProductVersion’<o:p></o:p></span></p>
<p class=MsoNormal><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>.Net will create this path if it does not exist
– but in
this case it is failing. Could it be that there is something in the
settings
for CompanyName, ProductName or ProductVersion, defined by the main app
(LCDStudio) that would generate an illegal file
path?<o:p></o:p></span></p>
<p class=MsoNormal><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Try getting values for Application.ProductName,
Application.CompanyName
and Application.ProductVersion in your code and see what you
get.<o:p></o:p></span></p>
<p class=MsoNormal><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Or maybe there’s some problem with permissions
on the
directory that .Net is trying to create the folder in (but that would
probably
cause all .Net apps to fail
similarly).<o:p></o:p></span></p>
<p class=MsoNormal><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>…<o:p></o:p></span></p>
<p class=MsoNormal><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm
4.0pt'>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm
0cm 0cm'>
<p class=MsoNormal><b><span lang=EN-US
style='font-size:10.0pt;font-family:
"Tahoma","sans-serif"'>From:</span></b><span
lang=EN-US style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>
xAP_developer@xxxxxxx
[mailto:xAP_developer@xxxxxxx]
<b>On Behalf Of </b>Edward Pearson<br>
<b>Sent:</b> 25 March 2009 12:51<br>
<b>To:</b> xAP_developer@xxxxxxx<br>
<b>Subject:</b> RE: [xAP_developer]
<DllImport("xFx.dll")> into
a compiled VB.net DLL Class<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<div id=ygrp-mlmsg>
<div id=ygrp-msg>
<div id=ygrp-text>
<div>
<p class=MsoNormal
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>JJG</span><o:p></o:p></p>
<p class=MsoNormal
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>Looks like the xFx.dll is missing
its
configuration file. You need to put a copy of
‘xFx.dll.config’ in
the same directory as
xFx.dll.</span><o:p></o:p></p>
<p class=MsoNormal
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>The xFx.dll keeps its settings in
a
separate file to the application (myapp.exe.config) so that you
don’t
have to add all the xFx settings to the application’s config file
yourself.</span><o:p></o:p></p>
<p class=MsoNormal
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>You can automate the provision of
xFx.dll.config to the project’s output directory using Visual
Studio by
including it as one of the project’s files and setting its
‘Build
Action’ property to ‘Content’ and its
‘Copy to Output
Directory’ property to ‘Copy
Always’.</span><o:p></o:p></p>
<p class=MsoNormal
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>HTH</span><o:p></o:p></p>
<p class=MsoNormal
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'>Edward</span><o:p></o:p></p>
<p class=MsoNormal
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p>
<div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm
0cm'>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:0cm 0cm
0cm 0cm'>
<p class=MsoNormal
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
lang=EN-US style='font-size:10.0pt'>From:</span></b><span
lang=EN-US
style='font-size:10.0pt'> xAP_developer@xxxxxxx [mailto:xAP_developer@xxxxxxx]
<b>On Behalf Of </b>jebusyoda<br>
<b>Sent:</b> 25 March 2009 04:50<br>
<b>To:</b> xAP_developer@xxxxxxx<br>
<b>Subject:</b> [xAP_developer]
<DllImport("xFx.dll")> into a
compiled VB.net DLL Class</span><o:p></o:p></p>
</div>
</div>
<p class=MsoNormal
style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>
<div id=ygrp-mlmsg>
<div id=ygrp-msg>
<div id=ygrp-text>
<p>How would I construct a
<DllImport("xFx.dll")> into a
compiled VB.net DLL Class. I am coding a plugin for LCDStudio,(A C#.net
app.),
that compiles to a VB.net dll. If I use a module my code compiles, but it
throws an exception when I call the sub "Listen" from my
UserControl.<br>
<br>
##############################################################<br>
Unhandled Exception:<br>
<br>
The type initializer for 'xAPPlugin.xAPListen' threw an
exception.<br>
<br>
System.TypeInitializationException<br>
<br>
Stack Trace:<br>
at xAPPlugin.xAPListen.Listen()<br>
at xAPPlugin.UserControl1.Button1_Click(Object sender, EventArgs
e)<br>
at System.Windows.Forms.Control.OnClick(EventArgs e)<br>
at System.Windows.Forms.Button.OnClick(EventArgs e)<br>
at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)<br>
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons
button,
Int32 clicks)<br>
at System.Windows.Forms.Control.WndProc(Message& m)<br>
at System.Windows.Forms.ButtonBase.WndProc(Message& m)<br>
at System.Windows.Forms.Button.WndProc(Message& m)<br>
at
System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message&
m)<br>
at
System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message&
m)<br>
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg,
IntPtr
wparam, IntPtr lparam)<br>
<br>
Inner Exception:<br>
Unhandled Exception:<br>
<br>
The given path's format is not supported.<br>
<br>
System.NotSupportedException<br>
<br>
Stack Trace:<br>
at System.Security.Util.StringExpressionSet.CanonicalizePath(String path,
Boolean needFullPath)<br>
at
System.Security.Util.StringExpressionSet.CreateListFromExpressions(String[]
str, Boolean needFullPath)<br>
at
System.Security.Permissions.FileIOPermission.AddPathList(FileIOPermissionAccess
access, AccessControlActions control, String[] pathListOrig, Boolean
checkForDuplicates, Boolean needFullPath, Boolean copyPathList)<br>
at
System.Security.Permissions.FileIOPermission..ctor(FileIOPermissionAccess
access, String[] pathList, Boolean checkForDuplicates, Boolean
needFullPath)<br>
at System.IO.Directory.CreateDirectory(String path, DirectorySecurity
directorySecurity)<br>
at System.Windows.Forms.Application.GetDataPath(String basePath)<br>
at System.Windows.Forms.Application.get_LocalUserAppDataPath()<br>
at
ERSP.Utilities.Configuration.LocalFileModuleSettingsProvider.GetPropertyValues(SettingsContext
context, SettingsPropertyCollection collection)<br>
at
System.Configuration.SettingsBase.GetPropertiesFromProvider(SettingsProvider
provider)<br>
at System.Configuration.SettingsBase.GetPropertyValueByName(String
propertyName)<br>
at System.Configuration.SettingsBase.get_Item(String
propertyName)<br>
at System.Configuration.ApplicationSettingsBase.GetPropertyValue(String
propertyName)<br>
at System.Configuration.ApplicationSettingsBase.get_Item(String
propertyName)<br>
at xFx.Properties.Settings.get_xAPHeaderUseExtendedUID()<br>
at KCS.xAP.Framework.Message.xAPHeaderUID..ctor()<br>
at KCS.xAP.Framework.Message.xAPHeaderBase..ctor()<br>
at KCS.xAP.Framework.Message.xAPHeartbeat..ctor()<br>
at KCS.xAP.Framework.Transport.xAPHubClientListener..ctor()<br>
at xAPPlugin.xAPListen..cctor()<br>
###################################################################<br>
<br>
Here is the simple module. I can compile an exe sending its message
recieved to
a textbox on a form and it works just fine. The compiled plugin runs just
fine
in LCDStudio, till I call the "Listen" sub. Then
"Something Bad
Has Happened". :)<br>
<br>
#################################################################<br>
Imports System<br>
Imports KCS.xAP.Framework.Transport<br>
Imports KCS.xAP.Framework.Message<br>
<br>
Public Module xAPListen<br>
<br>
Public Message1 As String<br>
Public WithEvents listener As New xAPHubClientListener<br>
<br>
Public Sub Listen()<br>
On Error Resume Next<br>
<br>
listener.Start()<br>
<br>
'Message1 = (String.Format("My address={0}, UID={1}",
listener.Heartbeat.Source, listener.Heartbeat.UID))<br>
<br>
End Sub<br>
Sub Listener_EventHandler(ByVal sender As Object, ByVal msgEvent As
xAPMessageEventArgs) Handles listener.eventMessageReceived<br>
On Error Resume Next<br>
Dim msg As xAPMessage = msgEvent.Message<br>
Dim hdr As xAPHeaderBase = msg.Header<br>
Dim body As xAPMessageBody = msg.Body<br>
Dim strhdr As String<br>
Dim strbdy As String<br>
Dim strmsg As String<br>
<br>
strhdr = (String.Format("Received {0} from {1}, UID {2}",
hdr.Class,
hdr.Source, hdr.UID))<br>
If InStr(strhdr, "Message.Display") Then<br>
For Each block As xAPMessageBlock In body<br>
Message1 = ""<br>
strbdy = (String.Format("Block: {0}",
block.Name))<br>
<br>
For Each parameter As String In block.Keys<br>
<br>
Dim v As xAPPairValue = block(parameter)<br>
<br>
strmsg = (String.Format("{0} = {1}", parameter,
v.Value))<br>
Message1 = Message1 & v.Value & vbCr<br>
Next<br>
<br>
Next<br>
End If<br>
End Sub<br>
<br>
End Module<br>
####################################################################<br>
<br>
I have the reference set to the xFx.dll. I have searched google for an
answer
as to why. <br>
I believe I need to do a
<DllImport("xFx.dll")>? But I cant
seem to pull the proper way to construct the Function from the xAP
Framework
xFx v2 Help file. Any ideas? Am I on the right track?<br>
...JJG<o:p></o:p></p>
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