VS 2005 What Is The Class Name For FindWindow
Apr 22, 2010
use API return a handle by FindWindow
Public Class Form1
Private Shared Function FindWindow( _
ByVal lpClassName As String, _
ByVal lpWindowName As String) As IntPtr
End Function
'....
End Class
My question, what value should be passed into Function FindWindow(lpClassName, vbnullstring)? Can I use "Form1"?
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Dec 29, 2009
I supposed they should return the same values but oddly when I tried it I am getting different results?
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Aug 11, 2009
I've been using the FindWindow API for some time now, and it seems as if the function opts for an Windows Explorer window before any other window with the same window title.
For example, if you have a folder named Calulator open, along with the Calculator application built into Windows, FindWindow will return the handle to the folder every time.
I just thought this was an interesting occurrence, and I was wondering whether anyone knew if this is the case every time (an Explorer window over any other window) when using the FindWindow API.
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Nov 9, 2009
I've been trying to use the FindWindowA api and also the FindWindowEx api in a little VB.NET 3.5 app and it doesn't appear to work. I get a positive long value returned whether I have an open window with the correct title or not. Anyone else noticed this?
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Mar 2, 2011
Am trying to detect if a window is running, the result always returns a rather large number instead of 0 and I'm not sure why. All documentation I've read states this is right.
Private Declare Function FindWindow Lib "user32.dll" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Dim ClassName As String = vbNullString
Dim WindowName As String = "some fake window"
[code]....
but is there a way to search for a single process without using a For statement?
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Aug 5, 2009
I just can't seem to get this right, what I'm trying to do is use FindWindow to find the windows of more than one window. Here is the code:
app_hwnd = FindWindow(vbNullString, CheckedListBox.CheckedItems)The thing is, if I use .SelectedItem, it only finds one window and if i use CheckedItems/SelectedItems it gives me an error: "Value of type 'System.Windows.Forms.ListBox.SelectedObjectCollection' cannot be converted to 'String'."
So right now, I'm confined to using FindWindow for only one window--when I want to do it for more than one window.
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Jul 3, 2010
Im trying to make findwindow but it dosent work for me why ?
If FindWindow("NOTEPAD") Then
MsgBox("The window does not exist.")
Else
[code].....
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Jul 29, 2010
I know that an interface can contain another interface within it.But;can a class contain another class within it?Can an interface contain another interface within it?
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Apr 27, 2010
Does anybody know what is the equivalent of findwindow or findwindex in vb.net. Here is what I am trying to do. I am reading a Real Time Adherence window that is dynamic(assumption) and is constantly refreshing. I have tried Findwindow and Findwindowex although I am able to get to the MDIclient and then to the window there is no "edit" field for me to read off. I have tried Spy++ and it also sees it but it does not have an available control for me to read the information.
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May 15, 2009
I am developing an application that reads an MDI applications child window and grabs the information from a control such as a textbox or listbox. I have tried to use Findwindow in order to accomplish this. I have gotten all the way to the control, but once I get there it returns blank. Can anyone point me in the right direction to accomplish this.I am able to read the window title and get the control title but when I send a message to the window it returns 0. Now I am just experimenting so I have no concrete code, but here is a snippet.
Some of the code I have gotten online.
[code]...
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Nov 17, 2006
I need to send two keys (" " and {Enter}) to a security warning in an Acrobat Window from a VB.NET application. Here is the function I use :
Private Sub SendAcroKey()
Dim HWND As IntPtr
HWND = FindWindow("Adobe Acrobat", vbNullString)
[Code]....
But I can't get FindWindow() to work properly, it always returns "0". I guess I'm not giving the good parameters, lpClassName and lpWindowName, but I dont now how to get the right ones. So here is the question : How can I know the lpClassName and lpWindowName of a security warning in Adobe Acrobat 7 professional ???
I really have to work this out but theres not much information on the web about those function, even on MSDN.
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Mar 22, 2009
i searched all over this forum , and everywhere its the same, [code]i keep getting "found" even when the calculator is off!
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Mar 6, 2008
I am attempting to use the System.Management.ManagementObjectSearcher class in VS 2005 (see below) but get a error message for both the ManagementObjectSearcher class and queryObj As ManagementObject - Type ManagementObjectfSearcher is not defined and Type ManagementObject is not defined. how do I use this class in Visual Studio 2005?
Dim searcher As New System.Management.ManagementObjectSearcher( _
"rootCIMV2", _
"SELECT * FROM Win32_ComputerSystemProduct")
[code]....
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Mar 19, 2010
If i use this, it will give me the handle of the window "Test Window 1.0"
[Code]....
but what if the caption of the window changes? how do you find it? If it change to "Test Window 2.0" ? Program like Explorer caption always changes.
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Oct 11, 2010
i am trying to figure out how to go about finding this window's label when the control name is the same as all the other labels on the program.
WindowsForms10.STATIC.app.0.378734a
WindowsForms10.STATIC.app.0.378734a
WindowsForms10.STATIC.app.0.378734a
[code].....
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Mar 28, 2011
How would I use FindWindow to get the handle to a textbox on my form?
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Nov 20, 2009
I have spent the last 3 hours trying to figure this out with no success:The WIndows XP phone dialer has a "Hide Calls" available from the context menu, can someone run Spy++ (or similar) over it and let me know what message i should be looking out for to fire the "hide calls" option. Also, do i send it to the child ("Preview") or the parent ("Phone Dialer")
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Feb 11, 2009
This same (Identical ) code works well in another program but does not in windows service... Returns 0 for window handle ...?
Public WindowStr As String = "ImagSrvWindow"
Protected Overrides Sub OnStart(ByVal args() As String)
'necessary to get control to paint Pic&Txt boxes in stream of Browser navs
[Code].....
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May 13, 2011
I am using VB Express 2008, on Windows XP Pro. I have written a programme which tests another programme which compares prices and terms from several vendors. This Bid Tabulation programme, compares prices and terms of up to 10 Bidders and 500 line items in mixed currencies.The testing programme, initially, would not work and I discovered that I needed to introduce a delay in order for it to run the Bid Tabulation programme. So my initial code, using the delay, was:
[code]...
And the button was clicked, and the Bid Tabulation programme started and ran successfully, as long as the number of vendors was 5 and the number of line items was 5. when I tried to increase the number of vendors to 10, the programme failed.I then discovered that at the point of failure, when the particular ParentHWND=0, if I introduced:
[code]...
Does anyone know what I am doing wrong, or whether there is another way to assure that ParentHWND will not equal zero without using a time delay?
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Dec 4, 2006
I just bought a nice G15 Gaming Keyboard. It has a nice LCD screen with media keys (Play, Stop, Next, Previous etc,).Anyway, I managed to intercept the original functions to WMP of it (By Global Hotkeying them).Now, I have to send mouse clicks to my own Music Player (Playa!TraX, it isn't my creation) on a specific coord.This is the code i have, it finds the window, and says it clicks, but nothing happens, what am I doing wrong?
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal Hwnd As IntPtr, ByVal wMsg As Integer, ByVal wParam As Integer, ByVal lParam As Integer) As Integer
[code].....
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Oct 11, 2010
i am trying to figure out how to go about finding this window's label when the control name is the same as all the other labels on the program.
WindowsForms10.STATIC.app.0.378734a
WindowsForms10.STATIC.app.0.378734a
WindowsForms10.STATIC.app.0.378734a
All 3 labels are named the same. The one i am most interested in is a progress % counter (1%, 2%, 3%, etc..)How can i get the value (using a timer of course) from that label without knowing the caption of it at any given time?
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Jun 8, 2011
I have two classes; one is a data class which contains routines to handle data and the second is a utility class which contains useful routines which can be used again and again. I have come across a problem. Some of my routines in the utility class use routines in my data class and now I want to use some of my utility routines in my data class. I tried this in a service and the service just would not start. After commenting out code I realised it was because I was making a declaration in the utility class for the data class and in the data class making a declaration of the utility class.
I understand that this is now causing looping but is there a different way to do what I want. If not I would need to have two copies of routines in both classes.
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Jan 20, 2009
Consider the following class:
[Code]...
In the Sub New(), technically you can pass in "Nothing" for one of the parameters, or string.empty for the string. My question is how do you force the class to not create itself? Oh yes and I know you technically are not supposed to use IsNothing() in .Net however "OrElse MyPar2 Is Nothing" generates an error.
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Jul 26, 2010
I am a java developer that inherited a vb.net web application. This app relies on a VB class assembly that builds in to a dll. I have made some changes to this class assembly but I cant seem to get the vb.net app to pick up the changes. I thought that using regsvr32.exe or regasm.exe would do the trick but after reading a bit more they don't appear to do what I need.
When vb.net uses code such as this import where is it getting the reference to "MyClassName"?
<% Import namespace="MyClassName" %>
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Oct 24, 2009
I have a Class in a Windows Form project. I would like to call the class return value from the Form1 sub on button click. How do I do that? Lets say I would like to display the Return in a MsgBox?
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Dec 26, 2009
I have a problem of getting the string from the html class. When I debugged the project and I clicked the button, httprequest was connecting to the site then reading the pattern string from html class to get string, but it filled as a blank text.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
'Create a request for the URL.
Dim request As WebRequest = WebRequest.Create("[URL]")
' If required by the server, set the credentials.
[Code] .....
I an trying to work regards with the pattern string as "showChannel", which it doesn't filled the string from the html class. I want the pattern string to get the string from the html class such as like this:
<p class="showChannel">Name of program - Saturday 26th December, 22:30</p>
I want to get the time at the end of the pattern string which I want to fill time like this 22:30.
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Feb 23, 2010
I am developing a windows based application in VS2005. I want all my form to be inherits from one of my class e.g.ParentClass but indeed the windows forms already inherits windows.forms.form class. what I have tried is that, I inherit "windows.forms.form" in "ParentClass" and all forms inherits my "ParentClass". But in this case when I view the design of the form IDE gives error.
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Dec 12, 2009
I need to make a class diagram for a scrabble game. I know the classes are game, player, board, tile, square , tile bank?
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Aug 30, 2011
What is the advantage on creating ur own class and property??when making a system like POS. . . .it is necessary to create a class or property??It is possible that I will create a module and i will declare the import statemnt in the module and i will declare ol of the mysql commnds in the module and I will open the connection in the module so that ol of my forms can see my declaration?
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Apr 10, 2009
I have just one form which is my project however there is a lot of different code behind it, can I add a class or module to it as another resource and call a script from there like I would in say
Private Sub button1_Click ... Handles Button1.Click
Call MyScriptToWorkThingsOutAndGetRemoteXMLWebPage
End Sub
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