Using The SetWindowPos To Set A Window To The Front To Capture It?

Feb 28, 2012

I am using the SetWindowPos to set a window to the front to capture it (not a window of my own application). However, this works from time to time & that is what worries me.

My declaration:

[Code]....

This does work, if just, let's say have forms open, but it doesn't when I minimize everything & get to the desktop (with that taskbar button). It also returns 1400 error a lot, even with running as administrator.

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VS 2005 Setwindowpos For Top Most Window Making Window Size Zero?

Oct 5, 2011

I have the following function that should make the window always on top of other applications.

Private Declare Function SetWindowPos Lib "user32" _
(ByVal handle As Long, ByVal hWndInsertAfter As Long, ByVal x As Long, ByVal y As Long, _
ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) As Long

[Code]....

The problem is that it reduces the window size so that you can only see the title bar and min/max/close buttons. Also, even that does not stay on top of other windows.

I have used this function before on a windows 7 machine (instead of xp which this one is on) and it worked fine.

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Setwindowpos For Top Most Window Making Window Size Zero?

Oct 5, 2011

I have the following function that should make the window always on top of other applications.

Code:
Private Declare Function SetWindowPos Lib "user32" _
(ByVal handle As Long, ByVal hWndInsertAfter As Long, ByVal x As Long, ByVal y As Long, _
ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) As Long

[code].....

The problem is that it reduces the window size so that you can only see the title bar and min/max/close buttons. Also, even that does not stay on top of other windows.I have used this function before on a windows 7 machine (instead of xp which this one is on) and it worked fine.

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VS 2008 Window Handles ,SetWindowPos API And ShowWindow API -Updated

Aug 5, 2009

1. I have an array of windows handles (list of window handles) which are windows I want to minimize when I call the ShowWindow API. But when I call it it sometimes minimizes other windows which aren't the windows I had before. I'm guessing that window handles are changed when other windows are being opened, is there is any option to detect a window in other way? like identity or something like that?

2. I'm trying to change a window size by using the SetWindowPos, but the problem is that I'm using this API while I'm dragging a window which causes the window to change the size for a sec and then go back to the same size, how can I change the window size while I'm dragging it?

3. When a left mouse button is up I want to maximize a window, but when I'm using the ShowWindow API right after the left mose button is up it causes the window to maximize for a sec and then go back I could fix that adding a delay:[code...]

4. Another question, can anyone give me an example on how to put a window right behind other window? (I guess changing something in the Z order?) I already got the two windows handles.

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VS 2005 Window Bring To Front

Oct 24, 2009

So I have this code to make a "windows taskbar". When you click on an item, it's supposed to bring that window to the front. The only problem is that's not happening. When I use Debug.WriteLine, it has the right window title, except it doesn't come to the front. What's wrong? There is no EntryPointNotFoundException or anything, it just doesn't bring the window to the front.

[Code].....

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Jul 31, 2011

how to get the window in front of the desktop, but behind the explorer icons?

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I have an windows application from where i start another EXE by using the system.diagnostics.process.

I do as follows:
private myExe as System.Diagnostics.Process
myExe = New System.Diagnostics.Process()
myExe.StartInfo.WorkingDirectory = "...my path ..."
myExe.StartInfo.FileName = "...my exe..."
myExe.Start()

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Jul 18, 2011

What code in VB.net 2010 do I need to set a window to come to the front of the screen. What I am trying to achieve is to display an urgent alert type, its a form, for certain reasons I am not using message box.

Following code does not work:
Private Sub frmMessage_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Me.BringToFront()
End Sub

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Dec 25, 2009

I used a picturebox to allow user draw lines by mouse. I used this code in mouse down:


Dim D As New System.Drawing.Pen(DrawingColor, 2)
Dim g As Graphics = PB.CreateGraphics()
g.DrawLine(D, X1, Y1, X2, Y2)

but when a window appear on front of picturebox... its seams that picturebox redraw itself, so drawn lines erased.

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Apr 24, 2010

Is there a way I can hook into MSN and write to my contacts, without having the conversation window in the front? a API or something?

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Forms :: Showing The Show Dialog Window On Front When Clicking With Mouse?

Mar 25, 2009

My Front end is VB.net 2008.I have a form. In this form, I have a menu control, this menu control has four buttons.On clicking the first three buttons, open the window with Show() event. and the fourth button open the screen with ShowDialog().Now, One by one I am clicking the button , so finally i have now four windows of this application.(Three with Show() and one with ShowDialog())Right?

Now I am minimizing all the windows with the help of Window + D Button.After this, If I use the keyboard(Alt+ Tab) keys. This is opening the showDialog window on top because , Show dialog's TopMost = True.Now I come back to my problem. That's why I cannot use the show/Showdialog overloaded menthod to pass the Me/form-id .Again, I use the keyboard(Alt+ Tab) keys, to minimized all windows. In the taskbar and Startmenu properties ,I have selected the Group Similar Taskbar buttons.This resulted in the heap of my application windows, one on the other.Now i click on one of my application window , and If I click the window other then the Show Dialog opened Window, this is not bringing the show dialog window to topMost.

Note:- There is no parent child window requirement. That's why I can't use the Show/Show Dialog overloaded method to pass the Me/Form-id

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Capture Info In A Window?

Feb 9, 2009

I have a command line app that periodically crashes. When it crashes it does so displaying only 'hit any key to continue' in a command window. My goal if I see that the command window shows 'hit any key to continue', I then restart an associated service and life is good. So I put my google hat on and reveal that I can capture whats going on in a command window. I come up with the following code

Public Function GetAppResults() As String
Dim PSI As New ProcessStartInfo()
Dim P As Process

[code]....

The code works as it should but my application never exits, this apps need to continuously run - so I never can capture whats going on in the command window. Its almost like I need to do a realtime capture of whats going on in that command window. I was thinking that I may want to switch approaches and capture whats going on in the command prompt periodically but that sounds messier and I'm not sure if its possible.

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Creating A Capture Window?

Jun 24, 2009

i`m trying to create a capture window but when i copy paste the following code from msdn i got this error about hWndC ("Declaration expected"). What`s wrong?

hWndC = capCreateCaptureWindow (
(LPSTR) "My Capture Window", // window name if pop-up
WS_CHILD | WS_VISIBLE, // window style

[Code].....

Basically i`m trying to write a program to use my webcam via visual basic 2008.

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Apr 1, 2010

I found that code somewhere and I find it quite useful but I would like to find a way to make it work so it capture only the given window target. Maybe with a processID or Window Name. Even if that window is not active. I do not want to make that window active but want to get a screen capture like if I was doing Alt+PrintScreen on it.

[Code]....

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I have a vb form with a webbrowser control on it.my application connects to a website that my company uses to view footage.the problem is that everytime you click on a link on the website it opens up a new window, which basically defeats the whole purpose of me having a browser on my form.

i need to capture the new window and enter the URL of the new window into my browser.

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Apr 18, 2012

how can I capture the event, if the user f.e. changes from ie to ms word?

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was checking out the webcam software by Jarno BurgerSourceFiles:It works perfectly fine as it is, but when I created a new start form and created a button to activate the video window, it doesnt work anymore. A blank screen is displayed instead

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I did a search on capturing screen shots in vb.net amd I was wondering if there is a straight forward way to capture the active window? Or do I need to first get the handle of the active window, get the position and size and then capture it? I do not want to use any type of sendkeys method or use the clipboard. I want to save it to jpg format.

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i am trying my hand in visual basic 2010

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Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim Webbrowser1 As Object
Dim URL As String

[code].....

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May 19, 2012

I am trying to create a Button via code to sit ontop of a Capture Window resaving a live image from a WebCam.How do I setup a Capture Window a Parant to a Button?

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I would like to find out if it is possible to read or capture the name of control the mouse is hovering over on any window. I have tried to research it and maybe using win32 or looking for accessibility info I'd like to be able to have similar functionality in my app as the inspect32 application that Microsoft has at sysinternals that can do this, I want to know if a user hovers over a control (in any window or part of the Windows O.S.) for a while, if longer than a certain time then capture that..

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.NET Window Capture - Retrive The Littles Thumbnails Windows XP+ Generates When Alt+tab

Apr 7, 2010

I would like to know if the .NET framework gives you a way to retrive the littles thumbnails Windows XP+ generates when you alt+tab. The application I try to make should be able to get a window capture (ALT+PrtScr) of another Window that is not necessary Active and could be partially or completly hidden behind another one. I tried the codes found there [URL] altprintscreen with no success in the case the window I'm trying to capture is not visible.

[Code]....

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Aug 22, 2009

I'm working on a UNO (Msn-based) online gaming tool - you know the card game. It's the second version with more features for UNO fans. I would like to get the screenshot function to work.

It's just as simple as this: The UNO main window
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I am using an embedded webbrowser control to access a third-party website, populate the username and password boxes on their front page, and login. The problem I have is that the resulting window that the site returns to me is in the form of a new window. What I want to do is capture this window and all it's session/cookie data in to the original webbrowser control, as even if I direct the original window to the same resulting url, some kind of authentication data is missing and the site tells me I have logged out, even though the popup window works fine. I need that page in the original control so that I can continue to access it programmatically, and I don't really want to get in to the complication of accessing the new window, as I expect I'll have to delve in to the api or something.

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[Code]...

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Jun 10, 2010

The application is freezing on SetWindowsPos,

Sub AOnTop(frmID As Form, OnTop As Long)[code]...

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Mar 7, 2009

I'm getting the error 1400 on this script using PowerBuilder 9 uint l_handle l_handle = handle(w_main) integer lb_setpos integer errlb_setpos = SetWindowPos(l_handle, -1,0,0,0,0,67) err = GetLastError() // this returns err = 1400 lb_setpos = lb_setposlb_setpos = SwitchToThisWindow(l_handle, true) /// this works fine so I think the handle isn't the problem.

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Apr 5, 2009

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Listening and reconstructing part work on their own . What I want is on each packet arrival main window gets an event so it can display the packet , and when session is reconstructed display a complete packet (I am interested in HTTP ones) . -That is where it breaks with weird symptoms: for example right now it does not stop on invoking stop listening method - the sharppcap library function hangs there forever waiting on this line of code : m_pcapThreadEvent.WaitOne();//wait for the 'stopped' signal from thread

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My app starts as module main instancing class "Listener". MainForm has it
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Main Form:
Private Sub uiListenStart_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btListenStart.Click
aLogger.AddMessage("Started Listening")

[Code]....

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