Get Window Handle From EnvDTE80.Process2 Object?

Jan 16, 2012

I have a piece of vb.net code that finds the nunit.exe process like thisDim proc2 As EnvDTE80.Process2 = dbg2.GetProcesses(trans, "myPC").Item("nunit.exe")now I'd like to press a button on the window of that process so I do thisDim ButtonHandle As IntPtr = FindWindowEx(X, 0, "Button", "Run")SendMessage(ButtonHandle, &HF5, 0, 0)

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Find The Handle Of The Child Window For The Yes Button In The User Account Control Window?

Mar 20, 2010

I am trying to find the handle of the child window for the Yes button in the User Account Control window so i can click it. This window has a structure with a few child windows with the same name.

Dim hwnd As IntPtr = FindWindow(Nothing, "User Account Control")
Dim hwnd2 As IntPtr = FindWindowEx(hwnd, 0, "DirectUIHWND", vbNullString)
Dim hwnd3 As IntPtr = FindWindowEx(hwnd2, 0, "CtrlNotifySink", vbNullString)
Dim hwnd4 As IntPtr = FindWindowEx(hwnd3, 0, "Button", "&Yes")

There are multiple CtrNotifySink with its own Button child window or other child windows. How do i search thru the different CtrNotifySink window to find the one that contain the Yes button so i can send a click to it? I do need to find it before i can send a click, right? because i try just sending it to the main window with sendmessage and nothing happen.I even try sending it directly to the handle found by spy++ of the yes button with bm click but nothing happen?

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VS 2010 Get Handle Of Window Below Foreground Window?

Aug 21, 2010

How can I get the handle of the window that is below (or behind, whatever you call it) the foreground window?

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Handle An Object's Object Property Changed Event In .NET Windows Forms?

Jun 7, 2012

I know how to handle a single objects property changed event very easily. I want to handle a objects property changed event that is part of another object.

Given Object:

[ObjectY = Y]
+ Public WithEvents X As ObjectX

I would like to do something like:

Private Sub XPropertyChanged() Handles Y.X.PropertyChanged

Right now I need to create a object that equals the object inside that object and then handle this variable pointers property changed, but that is just annoying.

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Get A Window Handle & Title?

May 20, 2009

I am trying to get the handle of a window to get it's title text. I tried the WindowFromPoint, but it will get any control, not just a window. How do I get the window that the mouse is over?

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Get Handle Of Top Visible Window

Apr 27, 2011

If you open several FullTilt games table, you can see that when on a table is required action it jumps automatically in foreground, BUT WITHOUT TO BE ACTIVATED, so that it title bar is grey and not blue. The window is the top window for my eyes, but it is not active.Now the question is: how to get the Hwnd of the topt VISIBLE desktop window (the window that is over all the other windows), also if it is not the active window?I can't use the GetForegroundWindow Api, becouse it gives the Hwnd of the top ACTIVE window...

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Get The Window Handle And Focus?

Aug 22, 2010

I have a handle to a window using the FindWindowA() function in the User32.dll (Windows API) and I would to get focus on that window at a later time in my program. how to do that with either a .NET function or User32.dll function? Is there a totally .NET way to get the window handle and focus?

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Get The Window's Handle Once It Has Been Minimized?

Mar 1, 2012

<DllImport("user32.dll", SetLastError:=True)> _
Private Shared Function SetActiveWindow(ByVal hWnd As IntPtr) As IntPtr
End Function

[Code]......

I'm trying to make use of some functionality from an external app in my program.

My problem is this:

My program manages to start the external app correctly and I can even get the WinHandle correctly if I don't use "ProcessWindowStyle.Minimized" when starting the app.

If I start the app minimized, WinHandle = ProcID.MainWindowHandle returns a 0 and as I understand it, it's

because the app is hidden in the system tray.

How can I start the app minimized and then get the window's handle once it has been minimized?

I've tried various functions like FindWindow and BringWindowToTop but none of them seem to work.

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How Do Obtain Window Handle

Jan 10, 2012

I am following some instructions that apparently work with vb6, but as i have downloaded the lastest version of visual studio i think its up to version 10.

The code i am trying to make work is,[code..]

I searched a bit for an equivalent.

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How To Obtain Window Handle

Jan 10, 2012

I am following some instructions that apparently work with vb6, but as i have downloaded the lastest version of visual studio i think its up to version 10.[code]The error is that hWnd is not a member of windowsapplication1.form1.

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Third Party DLL With Window Handle?

Oct 17, 2011

I'm using a third party dll for my project and one of the function that is provided by the dll use form handle as one of the argument. But when i call the function, I'm not using any window form and it's just called from another class. So what value i should put for that argument?Here's the example of that function:

AVS_Measure (device_handle, form_handle, no_measurement)

After this function has been called, it will send message to the form_handle argument whether the measurement data is available and valid.I called this function from another class just for triggering start measurement and i have another function to retrieve the data. I do not have any form associate to it, what value i should put for this argument?

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Use RegisterDeviceNotification Without A Window Handle?

Apr 5, 2012

I'm writing a DLL library that interfaces to a USB device using winusb in VB.NET.

Since it's a DLL, I have no window, and it's possible that users of my library will also not have a window (command line apps, for instance).

The examples I've seen that detect device attach and detach all use RegisterDeviceNotification which requires a window handle to receive the attach/detach messages at.

How do I receive these messages directly into a function without a window to get a handle from?

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Window Handle Changes Between Events

Aug 1, 2011

I have the below code. When I execute this code, the handle is different between the Load event and the Shown event. I thought the handle was static for an instance of a window. What could cause the handle to change? The only other thing the form is doing is setting itself to invisible and setting the ShowInTaskbar = False in the Activated event.

[Code]...

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Get Object Reference From Object Handle

May 30, 2011

Is there any way to get reference of an object by its handle that obtained through FindWindowEx API?
this object is a user control written in .net.

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Error Creating Window Handle

May 21, 2010

There are three forms on this application and they are a MDI Frame(frmMain) and two child forms (frmSearchEmp, frmEmpDetail).

What I am trying to do is opening a "frmEmpDetail" by executing "CallEmpDetail()" on "frmSearchEmp".[code]....

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Get Word Editor Window Handle

Jun 1, 2009

how can i get the window handle for the Word editor window? [code]

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VS 2010 WebBrowser Handle New Window?

Jan 27, 2011

WebBrowser Handle new window: How I can open it in a new window

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Error Creating Window Handle In A Thread?

Sep 14, 2011

I've a little program that has got tabControl with 2 tabs - "results" and "log". My idea was that when an error occurs the tab will switch automatically on tbLog to show what the problem was. Most arguably the problem is in threading. This is the code that..I use:

Dim thread As New Thread(AddressOf ExecuteQuery)
thread.Start()

ExecuteQuery executes the query and I'm making an error deliberately to see if I'll be automatically switched to the log tab which is in Try-EndTry procedure:

tbGrid.SelectedTab = tbGrid.TabPages(1)

The program indeed switches to tabLog (which is number 1) but I don't see any controls on it (txtLog), then when I'm trying to switch tabs a couple of times I get "Error creating window handle in a thread". I read other forum threads about it where people as how many controls do they have in their programs but my program does not exceed 70 controls on a form.

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Access To Window Properties Knowing Its Handle

Oct 10, 2009

I made a program that is started and running in memory and minimized to the system tray.

When it is first launched it registers global hot keys in windows.These hot keys are used for resizing the current focused window. I'm trying to use it so you can hotkey windows to resize to half the screen, a third of the screen, etc... For instance, if I have two notepads open and notepad 1 is focused and I hit Ctrl+Shift+LeftArrow it will resize notepad1 to the left and half the size of the screen. I have notepad 2 focused and Hit Ctrl+Shift+RightArrow and resize notepad2 to the right side of the screen. So, I can easily see both windows at once.Now, I can successfully get the focused window handle when the hot key is pressed. I'm stuck at this point.

I can use the Windows API call:

[code]...

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Convert Window Handle ID To Use In AppActivate Function

Oct 6, 2011

I have a window that I need to activate and the window name does not work in AppActivate("WindowName") because this does not work with partial captions etc... and the window name will be different depending on user. That being said I am able to use "GetwindowhandlefromPartialCaption" to retrieve the # value of the window name or handle. Is there a way to convert this or extract the name from the handle ID to use with AppActivate?

[Code]...

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Convert Window Handle ID To Use In AppActivate Function?

Oct 6, 2011

I have a window that I need to activate and the window name does not work in AppActivate("WindowName") because this does not work with partial captions etc... and the window name will be different depending on user. That being said I am able to use "GetwindowhandlefromPartialCaption" to retrieve the # value of the window name or handle. Is there a way to convert this or extract the name from the handle ID to use with AppActivate?

[code]...

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Error Creating Window Handle - Datagridview

Sep 3, 2009

I am using a Thread object to perform a function. This function performs a task and displays its progress in the gridview (like adding rows changing text etc )

The reason I am using a thread for this function is that there is a cancel button on the form. While the task is in progress, user can click on cancel to abort it.

Private Sub BtnStart_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnStart.Click m_Thread = New System.Threading.Thread(AddressOf myfunction) m_Thread.Start() End Sub

The function works fine and thread is completed. But calling any method of datagridview after thread is completed ( outside the worker thread ) generates an error- "Error creating window handle".

That's probably because i am not using the invoke method of datagridview for calling its methods or readingwriting properties Do i have to create separate delegates for all the methods properties used in the function ( worker thread)

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IDE :: Vb 2010 Express HWnd Window Handle?

Dec 31, 2010

I have inserted the following code depicting a procedure that can place the cursor at a particular location within a Rich textbox. However, I am unable to get the Hwnd handle to run without an error.

Would someone advise if the SendMessage arguments are correct and how do I access the RichTexBox Hwnd window handle for this procedure.

[Code]...

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Retrieve A Window Handle In Visual Basic.NET?

Feb 1, 2010

How to retrieve a Window Handle in Visual Basic.NET?

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Retrieving A Window's Small Icon Handle?

Jan 2, 2008

I am using the Win32API function EnumWindows to populate a listview with the window text, handle. In this listview I would also like to populate the SmallImageList from an ImageList control of the window's small icon attribute.Now, I have the window handle for each, and I understand their is a number of ways to go about this. I have tried using SendMessage, sending the WM_GETICON value for ICON_SMALL...but that always returns zero.I've read something too about populating a WindowClass structure to get an icon for a particular window.

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VS 2008 Find Window Handle By Its Position?

Sep 6, 2009

How to find window handle by its position?

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VS 2010 - Screenshot Of Specific Window By Handle

Jan 30, 2011

I want to make a screenshot of a specific window of which I know the handle. I know there is a BitBlt function but I can't get that to work with the handle, I prefer it to work even if the window is not active but I'm not sure if this is possible at all.

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VS 2010 Capturing A Window By Handle With Aero?

Feb 25, 2012

I have been working on an image capturing tool for a long time now & I was wondering how some of those programs are able to make an aero capture of a form.I know you can capture a window if you have it's handle by using the BitBlt, but that doesn't keep the transparancy of the aero form.Let me give you an example:I did a lot of research on google but I never found anything close to something that explains how to do it.

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ReadProcessMemory Keeps Returning 0 - Error: INVALID WINDOW HANDLE

Dec 6, 2008

I'm currently developing a little hobby project to display health information in a game on my G15 keyboard through VB.NET. When I use ReadProcessMemory via an API call, it keeps returning zero. The MSDN documentation referred me to use the Marshal.GetLastWin32Error() call to find out what is wrong and it returns 1400: INVALID WINDOW HANDLE.

I am now confused about whether the first argument of the function wants a window handle or a process id. Regardless, I have tried both with FindWindow and hardcoding the process id while the application is running (getting it from task manager). I have tried three different games, Urban Terror, Grand Theft Auto: SA and 3D pinball for windows, getting the memory addresses from an application called Cheat Engine; they all seem to fail. [Code]

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Using FindWindowEx To Get Powerpoint Slide Show Window Handle?

May 12, 2010

I am trying to send a keystroke to a running powerpoint presentation with SendMessage or Postmessage. But I can't get as far as the handle for the presentation.

<DllImport("user32.dll", SetLastError:=True, CharSet:=CharSet.Auto)> _
Private Shared Function FindWindow( _
ByVal lpClassName As String, _

[code]....

As I understand it, you have to use FindWindow to get the application's handle and then FindWindowEx to get the sub-window's handle. The problem is that the line below FAIL returns 0, not a handle.Relevant material / possible answers are given in these sites but in C-type languages and I just can't see how what I'm doing is making the code fail: RE: hide cursor for kiosk application (powerpoint) hide cursor for kiosk application (powerpoint) | keyongtech Passing Event to Other Application.

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