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The constant value for WM_PASTE is 0x302.
RageInTheMachine9532
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Hi,
I have an old VB6 solution where I access a C dll that returns a pointer to a string.
It looks like this:
dim source as long
dim sQuery as string
source = IS_DLL_SendAndReceive(tSendBuf, tSendLen, tResult, tReclen)
sQuery = Space$(1300)
RtlMoveMemory StrPtr(sQuery), source, 2600)
Query = StrConv(sQuery, vbUnicode) 'From ASCII to Unicode
How can I achieve the same result in VB.NET?
I've tried with the Marshal Object and the Encoding class but I can't get it to work 
/Jes.
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In VB.6 you can use the generic copy memory routine such as
Public Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" _
(ByRef Destination As Any, ByRef Source As Any, ByVal numbytes As Long)
VB.Net rejects the Any and won't work.
You have to get more specific, such as
Public Declare Sub CM_Integer_Byte Lib "Kernel32" Alias "RtlMoveMemory" _
(ByRef Destination As Integer, ByRef Source As Byte, ByVal Length AsInteger)
Public Declare Sub CM_Short_Byte Lib "Kernel32" Alias "RtlMoveMemory" _
(ByRef Destination As Short, ByRef Source As Byte, ByVal Length As Integer)
I have a bunch of these in my applications and they work well.
RCarey
RCarey
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Hello and good morning!
Do you know how I can show a picture in a datarow in an seperate column?
I'm using the ComponentOne TrueDBGrid!
Is there a property to fix that problem?
Thomas A
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When you install the truedbgrid component you also have installed some tutorials and samples. Browse to tutorial 11. There you will find the secret chronicals of your desire.
Grtz,
Guus
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Hello everyone,
I am working on a module that involves querying from a .csv file in VB6. The problem that I am facing is with the Date/Time datatype. I have to compare the dates but it is being converted by the driver into text data type when the column is retrieved due to which the comparison cannot be made very accurately.
I want to know if there is some way by means of which I can convert the datatype of the column obtained from the .csv file from text to Date/Time. Something like the toChar function in PL/SQL would be usefull.
I am facing the same data type conversion problem when I tried to import the data into an Access table and tried to query it.
Please send a response to this as early as possible.
I need it urgently.
Thanks
Sathya
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Try using CDate() to convert text to a date data type.
Dim t As String
Dim d As Date
t = "January 23, 2004 7:45 AM"
d = CDate(t)
MsgBox d
Roger Stewart
"I Owe, I Owe, it's off to work I go..."
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Hi friends, Can any body tell me that how can I disable some rows in the datagrid. The exact requirement is that in the datatable I have 5 rows (For example) and it has 2 columns. One of those columns is boolean. And all those rows will be disabled who has that boolean value true. Waiting for ur replies.
Shoaib Danish
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How can i get a list of active machines using active directory services & vb.net?
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You can get the list of machines that are both in the Directory and logged into Active Directory using the methods described here[^].
There is an introduction to using the Active Directory objects in VB here[^].
RageInTheMachine9532
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I am attempting to write a script using ms ie as an object, and controlling a sequence of interactions with the site without having to physically move the mouse around and click and type into message boxes or select boxes. This is all from the client side, of course.
So far, I have code that will alow me to open an explorer window at the selected http site and click on any button I want to. But I have not found a way to enter text, or select from a list box.
Does anyone here know how to do this? I am beginning to think that it is not even possible after searching for hours on the net.
Is there a way to simulate key presses?
Where can I find a complete referance to the ie procedures?
Russ
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When you tell the IE Object to Navigate to a web page, it will fire a DocumentComplete (I Think!) event to let you know that the enitre page has been retrieved. In your event handler, you can get a reference to the Document using something like this:
Dim objDocument as Document
Set objDocument = objIEBrowser.Document
(Someone feel free to correct me if I'm wrong!)
From there, you can use the Document object to find the control that you want in its Elements collection. You can then modify the text you want, then you call the Click method of the submit button, which you will also find in the Elements collection somewhere.
You can find the complete document on the Document object model here[^].
RageInTheMachine9532
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hi friends,
can anyone please tell me that how can i terminate a specific any application and all their instances, say all the open windows of Internet Explorer, from a program in VB6.
Thanx
I Think, Therefore I am
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I think what your looking for is here[^]. We warned, it's not as easy as it would sound. There are a few pitfalls to consider when forcing an app to close.
RageInTheMachine9532
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Hi,
i should use a Component in VBScript or JScript that has a Function with an out parameter.
in VB I can use the Component like this:
Dim myComponent As Component<br />
Set myComponent = New Component<br />
Dim res As Long<br />
Call myComponent.MyFunction(res, "some String", 1, 2, "another Text")<br />
If res <> 0 Then MsgBox ("Error while executing MyFunction")
how can I write the VBScript of JScript code that the res variable is passed by reference and not by value, so i can check the value afterwards?
Greets
Roland
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Last I checked, VBScript doesn't support passing by reference. You can only pass by value.
EDIT:
My bad! Script 5.6 supports passing by reference. Checking into the problem though...
RageInTheMachine9532
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OK. When you write your component, all that you need to do is add ByRef to the declaration where 'res' is going to get passed in:
Public Sub MyFunction(ByRef var1 As Integer, var2 As String, var3 As Integer)
I verified that this does work between a VB6 ActiveX control and VBScript on Windows Script 5.6.
RageInTheMachine9532
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The Problem is:
The Component was built with Visual C++ (ATL). The Parameter is declarated as [out] in the type library file, but I sgould be able to tell this the VBScript/JScript.
Wit VBScript I get an compile error 'Type mismatch', with JScript it compiles but the Variable is not changed through the Component.
I left this problem behind with writing a small C++ App that i call from the Script, but thanks for your help.
Of course, if you have some idea, your input is still very welcome.
Greets Roland
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i try to make a about form to display a flash using application.startuppath
i pretty sure i already put the loading.swf in the application folder, but i dunno y when it loads still nth to display, below is my coding
Private Sub MenuItemAbout_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItemAbout.Click<br />
<br />
about = New About()<br />
about.ShowDialog()<br />
about.flash.Movie = Application.StartupPath + "\loading.swf"<br />
about.flash.Playing = True<br />
<br />
End Sub
anyone have any idea what is the problem?? any help is greatly appreciated...
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Dont know. This is how i show swf files:
Use a ShockWaveFlash (flash.ocx) control and run:
Me![swfCredits].Movie = App.Path & "\AppCredits.swf"
Grtz,
Guus
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I would like to write a Macro in MS-WORD to process the current document.Where I can find resources to write a Macro.
Shenthil
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dear you can write the required code in VBA window but first tell me which kind of process you wanna perform in Word Processor, then i can guide you properly.
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Hi all,
Does Any some thing like Vector(using in C++, JAVA ) can be used or replace in VB.net?
Because i want to store data in a dynamic vector or array
but i cannot find samilar Vector in VB.Net
Thx for ur reply~~
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ArrayList
--
Ian Darling
"The different versions of the UN*X brand operating system are numbered in a logical sequence: 5, 6, 7, 2, 2.9, 3, 4.0, III, 4.1, V, 4.2, V.2, and 4.3" - Alan Filipski
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I have a very annoying problem, with which I NEED HELP DESPERATELY!!
It smells like a bug to me, but I'm not sure.
SITUATION
This description is a very much simplified version of the real situation.
I have the following class structure:
ASSEMBLY ATools
References: None
Namespace : Tools
Classes : CToolClass
ASSEMBLY ABaseClasses
References: ATools
Namespace : BaseClasses
Classes : CBase1, CBase2
ASSEMBLY ASubClasses
References: ABaseClasses, ATools
Namespace : SubClasses
Classes : CSub1 Inherits BaseClasses.CBase1
ASSEMBLY AWebClasses
References: ABaseClasses, ASubClasses, ATools
NameSpace : WebClasses
Classes : CWebClass Inherits System.Web.Services.WebService
Both baseclasses have a method with signature:
Public Sub Init(ByVal parm As Tools.CToolClass)
The webclass has a method, which SHOULD look something like this:
<webmethod> _
Public Function MyWebMethod() As String
Dim oObj1 As SubClasses.CSub1 = New SubClasses.CSub1
Dim oObj2 As BaseClasses.CBase2 = New BaseClasses.CBase2
Dim oTool As Tools.CToolClass = New Tools.CToolClass
...
oObj1.Init(oTool)
oObj2.Init(oTool)
...
Return ...
End Function
PROBLEMS
The following problems occur in MyWebMethod:
1.
In the above situation, I get an error on the line "Dim oObj1 As SubClasses...": "Reference required to assembly 'ABaseClasses' containing the type 'ABaseClasses.CBase1'. Add one to your project.".
As you can see, the reference is already there.
To solve this problem for the time being, I copied CBase1 into ASubClasses and made CSub1 inherit SubClasses.CBase1.
2.
After the changes made as described in 1., another error of the same type appears: "Reference required to assembly 'ATools' containing the type 'ATools.CToolClass'. Add one to your project.". However, this error appears only on the line "oObj1.Init(oTool)", which references a subclass. It does not appear on the line "oObj2.Init(oTool)", which references a baseclass.
And again, the reference is already there.
QUESTION
1. What causes the problem?
2. What can I do to solve it?
Obviously, copying all my classes into one single assembly is not what I want. So, what should I do?
PLEASE HELP ME! Thanx a lot!
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