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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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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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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Mar 28, 2011
I am writing a simple code that will hide a window, or show a window if it has been hidden. I am using showwindow() to do so.
Private Declare Function ShowWindow Lib "user32.dll" (ByVal hWnd As IntPtr, ByVal nCmdShow As SHOW_WINDOW) As Boolean
<Flags()> Private Enum SHOW_WINDOW As Integer
SW_HIDE = 0[code].....
however the above will not bring/show the window that has been hidden.I assume showwindow works differently than how I expect to make it work? what is the proper way?
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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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Feb 6, 2011
So I need to grab all the handles and there captions of a window with the Caption "goman" and add them to a listbox
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Jun 18, 2012
get a listing of all current open windows, with their captions and have the option to close these windows via code.
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Sep 13, 2011
The following code will not set focus to the ie window that I need nor will it maximize it kike its supposed to
Option Explicit On
Public Class Form1
Public Declare Auto Function ShowWindow Lib "user32" (ByVal hwnd As Long, ByVal nCmdShow As Long) As Long
[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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Jul 1, 2009
part of my code is in below
[Code]...
I would expect to see the path.Path include the new record, however, I also notice that tempnextgen also include the new record. Can anyone help me out on this issue? Why the tempnextgen got updated as well, how to prevent this unexpected operation?
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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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Feb 15, 2012
(How to get The Handles Of process?)
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Jul 1, 2009
If I have two instances of the same form open, and one is on top of the other and I want to go to the one on the bottom, I have to click the form to bring it to the front.. I changed this so that if i click the panel(which represents the forms background) I have it bring it to the front.. But now I am having the issue where I click a control in that panel it wont bring it to the front.. So i know how to do this.. I can make a procedure handle all the controls onclick events by typing each controls name.click event
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Sep 8, 2009
I need to make program that gets handles of two opened windows that have Same Class and Title. Only difference between them is its positions. And, after I get handles I want to SetForegroundWindow to make windows active when I need to.
My problems are:
a How to get handles of thouse windows (is it possible to do it by WindowFromPoint, since I know positions)?
b How to make thouse handles global after they are determined or pass it to the next Sub?
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Dec 5, 2011
I get the error on this line on [ListBox1]
[code] Private Sub ListBox1_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs) Handles ListBox1.SelectedIndexChanged
error
Quote:
Handles clause requires a WithEvents variable defined in the containing type or one of its base types.
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Feb 6, 2010
one button on/off disable, enable any button like Handles Button1.Click i want to disable or enable part of the program?
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Mar 24, 2010
I've updated my database...
And all the information goes in fine, and an Auto-Number is allocated.
Do I need to re-read the database to find & display this auto-number?
Where do I begin?
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Sep 25, 2011
i can't find any wrong, if record exists then updated the record but only can insert the new record.
cannot updated the record.why?
[Code]...
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Aug 12, 2009
Attached are my source files i found a source and messed about with it, itsa chat client and a server which listens to clients anyway the server sends out all the messages to each client, all i want to be able todo is have a little box in my client, which is there, but has no function, its meant to list all the users currently connected.
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Dec 28, 2010
[Code]...
I have the following records in the table student(see in fig 1). I am trying to update the Name of student whose Roll no =1. But Record is not updated in the database,
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Oct 12, 2010
I have code similar to the code below that works in other parts of my program. The reason the code below does not work is because the datatable is made up of data from two separate tables. Does anyone know how to make this work for multiple tables? Can I choose what fields to send back and where to send them? This is what fills my datagridview and it works fine.
[Code]....
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Jan 8, 2010
I need to implement a notification system software for each new verson, I am interested only inform the user of the presence of updates, not autoupdate software, how can I do?
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Nov 19, 2010
In order to multithread correctly, so that my UI gets updated and the background code functions correctly, I've been doing this:I have one sub that does the UI updating and checks for invocation: [code] However, I need to update the UI within the Class now. When I do that, my app is no longer responsive. I need to do all UI updating within the form class and all background code within my custom class.I just can't figure out how to determine at what part my class is at, to update the UI.The UI has a few labels and a picture box that needs updating. As it runs a new process, (about 8 in all) I need to update the picture box and labels with the appropriate information so that the user knows where the app is at.
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Feb 3, 2009
Got a bit of a weird problem with a progress bar. I'm using a backgroundworker, which calls a "Process" function in a different class. The function goes about its business, and sends an update back to the form displaying the progress bar. What I'm finding is that its doing everything right, except update the progress and a label on the form. I've put breakpoints in to check the values of variables being sent to the form, and they're correct. I've also checked the value/maximum of the progress bar during the same break as I step through, and they're being set correctly.
they're just not displaying their updated status. I've tried refresh and application.doevents, to no avail. When the backgroundworker is complete, the values of the progress bar/label are as if I've never touched them! When the worker is complete, the Close button is enabled, so I know its finished. Anybody got any pointers/thoughts on this because I've been battling with this for a day and a half so far. I'm using the same technique as I've used elsewhere in the app to do similar backgroundworker progress updates, but this one refuses to work properly.
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Jun 26, 2009
I want to update a date field in my table when a record is updated to reflect when the last update was made. I have this for the parameter: objEXTCommand.Parameters.AddWithValue("@entryDate", Now.Date)
However, this inserts the Date and a time of "12:00:00". I want the date and current system time. I've gone about several ways, but none seem to work. I try this: [Code]
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Nov 4, 2009
Can I get an english explanation of .*? I kinda know what it does, but a breakdown would be nice on the logic behind it. Also, in the same manner, I'm after the specification for special characters, especially " but if it's doable, for as many special characters, or all of em as long as " is included.
EDIT: Might as well include the entire context, because I'll prolly be asking this in another thread in 15 minutes.
[Code]...
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Jan 28, 2009
I had this - in the CURRENTCHANGED event of my BINDING SOURCE.
Private Sub vendorBS_CurrentChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles vendorBS.CurrentChanged
If Me.CMCStarting Then Exit Sub
vendorBAL_C.vendorUpdate()
End Sub
This calls a sub in the class vendorBAL_C that does this
Private Sub SaveData()
_adapter.Update(_vendortable)
[code]....
The vendorUpdate sub calls two .Update's on my SQL Data Adapter.Only the first one is getting saved._vendortable gets saved - changes to _vendorcapabilitiestable does not.Those two DATATABLES are getting created by
_adapter.Fill(_vendorSet)
_vendortable = _vendorSet.Tables(0)
_vendorcapabilitiestable = _vendorSet.Tables(1)
To add just a tad complexity to all this I'm making changes to _vendorcapabilitiestable through a filtered binding source in the UI.
capabiltiesBS.DataSource = vendorBAL_C.capabilitiesTable
.
.
.
Private Sub CapabiltiesTreeView_AfterSelect(ByVal sender As Object, ByVal e As System.Windows.Forms.TreeViewEventArgs) Handles
[code]....
I tried calling .EndEdit's on my binding source - no change.Changes to the second table are not being saved.
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Mar 29, 2011
When I run project splashscreen is popup and then Logon window is run. But unfortunately when Logon window is run the splashscreen still open like maximized window and I cannot see Logon window. How to fix that problem?
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May 11, 2009
Just upgraded a VS 2005 ASP.NET 2.0 website to VS 2008 ASP.NET 3.5. There was an error on the Sub Button_Click. It seemed to be a minor error, the website and the button worked just fine, as usual. What does the error mean?
Protected Sub btnDEreports_Click(ByVal
sender As
[code]...
Error 20 Handles clause requires a WithEvents variable defined in the containing type or one of its base types.
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Mar 10, 2011
In webbrowser, I am visiting a website that lists 10 items per page, I select "20 items per page". The webpage dynamically updates to display a list of 20 items.However when I view the webpage code it still shows 10 items. If I refresh the webbrowser, the code will show 20 items.
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