Topmost visible window of a screen point

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- Previous
  - 1
    - Opening / Saving word doc in Web Browser control Hi I have found this control to be very handy for viewing word docs in windows forms, works nicely. I have a problem where I would like to be able to open the doc and save it elsewhere, as part of a system I am building, so the document becomes like a sys doc and not like a word doc anymore, can I attach code to the the normal save toolbar that is present in the web browser control when I open the word document? Is this possible? Also, does anyone know of a pdf to word converter that would enable me to on the fly convert the pdf to a word doc and open it in the web browser control? Regards EJ Tag: Topmost visible window of a screen point Tag: 108366
  - 2
    - FolderBrowserDialog doesn't let us select folders in a FTP or HTTP sites Hi All, I'm using the FolderBrowserDialog to select a folder I want to upload. I'm unable to use this Dialog to access a folder inside a FTP or HTTP site. These sites show up in my FolderBrowser Dialog but I cannot expand them. Also if I select a FTP or HTTP site (at their root level) and click OK the selected path is set to an Empty string. Is there a way to work around this or is there any other control that I could use? Please let me know. Thanks for your help. Rajesh Tag: Topmost visible window of a screen point Tag: 108361
  - 3
    - There is a pure win32 control, I don't know how it's created, But I just wanna show it in a form control The point is I completely don't konw how the win32 control is created, other than I can get its handle. Besides, I have to show it in a windows form control, hwo to? Thx. Tag: Topmost visible window of a screen point Tag: 108357
  - 4
    - Drag and drop file to list view in Vista I wrote a c# winforms application in .NET 1.1 which uses DragDrop functionality to allow a user to drag a file to a list view. It works fine in Windows XP, but in Windows Vista I get the "No drop" symbol. This holds true even when right clicking the application shortcut and choosing to run as Administrator. Any ideas what's preventing it from working in Windows Vista? Tag: Topmost visible window of a screen point Tag: 108356
  - 5
    - DataGrid / Context menu - HowTo Can someone direct me to a reference that describes how to create a context menu for a selected row in a datagrid? I have come across many threads regarding context menus and datagrids but they all seem to be how to modify the default behavior. I've gone through a couple of books and many threads but none of these seem to discuss creating a context menu for a given row. I did come across a thread that allowed me to create a menu for the entire grid but that even allows for a context menu outside of any rows. thanks for your help john Tag: Topmost visible window of a screen point Tag: 108354
  - 6
    - problem with cellformatting event I have the same problem, did you find the solution. EggHeadCafe.com - .NET Developer Portal of Choice http://www.eggheadcafe.com Tag: Topmost visible window of a screen point Tag: 108350
  - 7
    - WebBrowser control - setting focus to a specific frame I have a WebBrowser control and its document contains a frameset with two frames: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd"> <HTML> <HEAD> <TITLE>Now Playing in iTAB</TITLE> </HEAD> <FRAMESET id="fs" frameborder="0" cols="25%, 75%"> <FRAME id="links" noresize="noresize" scrolling="no" src="lists.htm"> <FRAME id="main" noresize="noresize" src="np.htm"> </FRAMESET> </HTML> When I load the document I try to set focus to the main frame (so that if the user scrolls the scroll wheel this frame is scrolled, without having to click in it first) :- fullNP.Url = new Uri(htmlFolder + "frames.htm"); HtmlElement el = fullNP.Document.GetElementById("main"); if (el != null) el.Focus(); Unfortunately this doesnt work, the GetElementById returns null. What am I doing wrong? Tag: Topmost visible window of a screen point Tag: 108347
  - 8
    - Switching from Classic to Windows XP controls look bad?? I have a desktop appliction currently compiling with Visual Studio 2005 written in C#. The client recently switched from Classic Windows to WindowsXP and many of the controls and background colors are washed out and can't be seen. Is there a quick fix or do I just need to go through all of them and make adjustments? What adjustments need to be made? Thanks Tag: Topmost visible window of a screen point Tag: 108345
  - 9
    - Access to the internal property grid combo box control Abybody knows how the PropertyGrid manage the ComboBox control? I know to use the TypeConverter so the ComboBox are used if the user clicked in the property. But I want the access to window control so I can use the void WndProc(ref Message m) method of the ComboBox. Thanks Thomas Tag: Topmost visible window of a screen point Tag: 108344
  - 10
    - Photoshop style Distort Transformation... Hi all, I have a problem that I'm having difficulty in solving. I have selected 4 points on an image. These points are a region/closed polygon/etc that can't be defined as a rectangle. I then want to apply a Photoshop style Distrot Transformation of these points to a defined rectangle to effectively straighten the selected region. Anyone have any thoughts on how to solve this? Thanks, Graeme Tag: Topmost visible window of a screen point Tag: 108343
  - 11
    - Cursor.Position I want to move the cursor in a MouseMove event callback. I'm using Cursor.Position to set the new mouse position. Unfortunately this seems to prevent the rest of the form from updating until I stop setting Cursor.Position (for example, I have a textbox and a progress bar that should update while the MouseMove event is being handled, but they don't update if I always set the Cursor.Position property.) I've tried calling the Win32 function SetCursorPos() directly, but that has the same effect. Is there something else I can do to make my form update? Thanks! Tag: Topmost visible window of a screen point Tag: 108329
  - 12
    - Modifications to DataGridView aren't reflected in Rows[] Good morning, I'm trying to update a DataSet based on data that has been modified in a DataGridView. The DataSet isn't binded to the DataGridView because of a couple conversions. (In this case, a time interval, or TimeSpan, is stored as number of milliseconds). I haven't found an elegant way to use the DataSource feature of the DataGridView and allow the millisecond timespan representation to be displayed as a user-friendly TimeSpan. To handle this disconnection, I'm simply creating a DataTable that contains the data the way I want things to appear in the DataGridView. This works well. My problem is when I want to save the changes back to the database. After the user makes a change to a cell and hits 'enter', the "New" row below is highlighted (indicating that the change was performed on the cell / row in question). Programatically, I read in the values from the DataGridView.Rows[] collection. The values I find are the original values from before the changes were made. Is there some magic property I'm missing or certain way to get the modified rows of a DataGridView? I have found nothing in the documentation that sheds any insight. Should I just hold a reference to a DataTable locally, bind THAT to the DataGridView, then just look at the table for changes? Why aren't the Rows[] giving me my changes? Thanks in a advance! -Sean Tag: Topmost visible window of a screen point Tag: 108326
  - 13
    - Listview with checkboxes [2.0] Is there a way to sort a listview by what is checked? Whenever you do sorting, it always only uses the data in the column. I'd like to sort by what is checked so those are always at the top of the list, and then by column data. Thanks Jon Tag: Topmost visible window of a screen point Tag: 108322
  - 14
    - Forms Resizing In .Net v2 when a form is resized is it possible to automatically resize controls such as panels and datagridviews? Tag: Topmost visible window of a screen point Tag: 108317
  - 15
    - Using accelerators when hosting a windows form in a browser Hi, I'm hosting a .net windows form in a browser. The web form reacts to accelerator keys and key-down events but i cannot get notification about these events when the form is hosted in the browser. Is this a known problem? Any known solution? Thanks, Toby. Tag: Topmost visible window of a screen point Tag: 108315
  - 16
    - Data binding a hierarchy of lists of business objects We are using data binding in our application, and are having trouble finding out how to bind a hierarchy of lists of business objects. What we have is this hierarchy: List<Orders> | (Order) |- List<Groups> | (Group) |- List<Members> We want to create a form where each of these lists is displayed in a grid, and data is updated depending on what the user selects. The grids cannot be nested. Can this be done? Tag: Topmost visible window of a screen point Tag: 108311
  - 17
    - help VC++ Activex into Csharp hi Can anyone tell me how to integrate an activex control developed VC++6.0 to csharp Tag: Topmost visible window of a screen point Tag: 108308
  - 18
    - adding a blank to a ComboBox How do you add a blank to the top of a comboBox in a Windows Form? I've done this with drop down lists in web forms but the ListItem that I used there doesn't appear to exist in a win form. I'm loading the ddlCategory comboBox with an ID(int) for value and Category(string) for Display out of a SQL DB using a SP. Once these values are loaded I want to add a blank to the top of the list and have it be selected initially. What I've tried gives me an error of "Items collection cannot be modified when the DataSource property is set." private void LoadCategory() { // Load the Source DDL ExpenseSpreadSheet.ExpenseClass.ExpenseClass getCategory = new ExpenseSpreadSheet.ExpenseClass.ExpenseClass(); System.Data.DataSet ds; ds = getCategory.GetCategory(); DataTable dt = ds.Tables[0]; ddlCategory.DataSource = ds.Tables[0]; ddlCategory.DisplayMember = "Category"; ddlCategory.ValueMember = "id"; // I have been trying to do this to add the blank. ddlCategory.Items.Add(" "); } Thanks, Matt Tag: Topmost visible window of a screen point Tag: 108300
  - 19
    - RichTextBox resizing hi, In am panel, i'm docking several (10-50) RichTextBoxes to the Top. Now i only want to see one Scrollbar, the one of the panel. Not the ones of the RichtTextBoxes. Each RichTextBoxes has got a different long text inside. How can i adjust them to the text? The panel can be resized, but i don't know, if i somehow can "calculate" the lines i need in each RichTextBox and resize it? I can't count the characters, because of the RTF the may have a size of 10 or 32. thx Tag: Topmost visible window of a screen point Tag: 108297
  - 20
    - Animated Gif not working on new machine Hi all! Our application has a wait dialog that has an animated gif on it that periodically gets shown from a separate thread while the application does some processing on the main thread. We've worked out all of the kinks with this (or so we thought), but just installed to a new laptop and the gif is not animating. This new machine is an Itronix GoBook XR1 (IX270) with an Intel Core Duo CPU T2400@1.83GHZ processor. The exact same release works on all of our other machines. Any ideas? Thanks in advance for any help you can provide! karlag92 Tag: Topmost visible window of a screen point Tag: 108294
  - 21
    - Tooltips on a textbox What is required to enable a tooltip on a textbox? Tag: Topmost visible window of a screen point Tag: 108289
  - 22
    - Newbie - Getting form data to "refresh" I am new to WinForms developing - used Access for many years. I have an application using DataSets from Stored Procedures in SQL Server. When users enter new data and click the Save button I can save the record fine by using another SP. But, I want the ID field to update with the new ID for that record. What can I call to make the DataSet update and display the new ID number for the record? Thanks for any help. Tag: Topmost visible window of a screen point Tag: 108288
  - 23
    - Using lock to synchronize agent event with main UI thread... Hi all, We're doing an application in which a background agent is polling asynchronously for data and doing some work. When having new data it throws an event. A method is wired to the event, uses Invoke for updating selected datagrids etc. However, sometimes, the user is doing work (like executing a save method at the same time), and we want to postpone the redraw of the datagrids, or delay users input a little until updating is completed. All in all, we want to "syncronize" the events regarding updating and workm and what is shown. I may be misunderstanding the use of the lock statement, but basicaly the logic behind the code below is that if a lock statement is entered using the thelock object, other lock statments using the same object are put in "queue" and waits until the previous lock statement is exited. The code below is a form with two buttons. The first button starts a thread, simulating the agent throwing the event. The eventhandler uses Invoke to invoke Cross. The Cross method does some work (not a all near 15 seconds in real life, this is for show only). While entering and working (before the 15 seconds have past), the second button is pressed. I would expect the second buttons event handler to wait at the lock statement until the Cross method releases it, but I get this result: 15:31:58: Cross entering lock 15:31:58: Cross entered lock 15:31:59: Button2 entering lock 15:31:59: Button2 entered lock 15:32:00: Button2 exited lock 15:32:14: Cross exited lock My expected result would be: Cross entering lock Cross entered lock Cross exited lock Button2 entering lock Button2 entered lock Button2 exited lock or vice versa, regarding whoever comes first... but not mixed... After some testing I'm wondering if this is only valid as an idea. Is this the right way to do what I want? Am I misunderstanding the lock (is the lock only usable on the same code, not scattered locks in several methods? I have however seen property accessors that uses the same lock object, so...) PS. The while statement with sleep and DoEvents might also be wrong for simulating work while still being able to take input from the user. Maybe the example is done wrong, and the methods actually would be synchronized in a real situation? You're welcome to answer me in hard technical terms, I'm just fairly new to threaded windows programming... Thanks in advance! Christer public partial class Form1 : Form { private object thelock; public Form1() { thelock = new object(); InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { //Start worker thread ThreadStart ts = new ThreadStart(ThreadWork); Thread thread = new Thread(ts); thread.Start(); } private void button2_Click(object sender, EventArgs e) { Debug.Write(DateTime.Now.ToLongTimeString() + ": Button2 entering lock" + Environment.NewLine); lock (thelock) { Debug.Write(DateTime.Now.ToLongTimeString() + ": Button2 entered lock" + Environment.NewLine); MessageBox.Show("Button executed"); } Debug.Write(DateTime.Now.ToLongTimeString() + ": Button2 exited lock" + Environment.NewLine); } private void ThreadWork() { this.Invoke(new MethodInvoker(Cross)); } private void Cross() { Debug.Write(DateTime.Now.ToLongTimeString() + ": Cross entering lock" + Environment.NewLine); lock (thelock) { Debug.Write(DateTime.Now.ToLongTimeString() + ": Cross entered lock" + Environment.NewLine); DateTime seconds15 = DateTime.Now.AddSeconds(15); //Wait 15 seconds... while (DateTime.Now < seconds15) { Thread.Sleep(15); Application.DoEvents(); } MessageBox.Show("Cross executed"); } Debug.Write(DateTime.Now.ToLongTimeString() + ": Cross exited lock" + Environment.NewLine); } } Tag: Topmost visible window of a screen point Tag: 108286
  - 24
    - How to set a globalized value like Form1.Text in resources (VS2005 C#) Hello, In VS 2005 help, they told to use some code like this.Text = (string)resources.GetObject("Form1.Text"); to set the title for a Form, but there is nothing in my project's resource file corresponding to Form1.Text and even I can't add it in resource editor. How could I automatically generate them ? Thanks CS Tag: Topmost visible window of a screen point Tag: 108283
  - 25
    - Event handling for input element (Using Visual Studio 2005 and C#) I'm trying to set up an event handler for trapping activity involving an input text element of a web page. I've tried using onclick, onenter, onactivate (see code snippet below), etc handlers but while they seem to be set successfully during my web page parsing, the specified methods never seem to get triggered: HTMLInputTextElementEvents2_Event inputTextElemEvt; IHTMLInputTextElement foo = (IHTMLInputTextElement)currElem; inputTextElemEvt = (HTMLInputTextElementEvents2_Event)foo; inputTextElemEvt.onactivate += new HTMLInputTextElementEvents2_onactivateEventHandler(inputTextElemEvt_onactivate); My event handling for HTML links, drop-down menus, etc which is implemented in a similar manner seems to work just fine. p.s. apologies in advance if this is not posted in the right section of the forums - if that's the case, please advise where should I migrate this post to. thanks Greg Tag: Topmost visible window of a screen point Tag: 108279
- Next
  - 1
    - Dialogs like VS 2005 Add Item and Project Hi, looking for a few pointers about dialogs forms. I would like to have add new functionality in an app I am writing, so the user could add a number of different items, reports, questions etc, is there an easy way to create dialogs like the VS IDE Add Item and Add Project dialogs, or is this done through some sort of user control, specifically I would like to replicate the behaviour where the image of the item goes blue when the user clicks on it like VS IDE? I am a web developer trying to get to grips with windows forms stuff so any suggestions would be great. Cheers EJ Tag: Topmost visible window of a screen point Tag: 108270
  - 2
    - Hide Tabpage I have a TabStipControl... How do I do to hide some tabpage programmaticaly ? tnx Tag: Topmost visible window of a screen point Tag: 108266
  - 3
    - saving data with my .exe I have some data that I want to save inside my .exe instead of delivering it as separate files. When I was using MFC, I would create a custom resource in my .RC file, then use FindResource and LoadResource. What is the equivolent in .NET, or is there another way to achieve my goal? I created a custom resource in my app.rc file, just like I would have in MFC, but I have no idea how to do anything with it. What is the call to get that resource in a variable I can see? In other words, I'd like the equivolent of this routine: CString PutResourceInString(HINSTANCE hInstance, const TCHAR* szSection, UINT uiResource) { HRSRC hFound = ::FindResource(hInstance,MAKEINTRESOURCE(uiResource),TEXT(szSection)); HGLOBAL hRes = ::LoadResource(hInstance, hFound); int iSize = ::SizeofResource(hInstance, hFound); LPVOID lpBuff = ::LockResource(hRes); CString csRet; char* psz = csRet.GetBuffer(iSize+1); memcpy(psz, lpBuff, iSize); psz[iSize] = '\0'; csRet.ReleaseBuffer(); ::UnlockResource(hRes); ::FreeResource(hRes); csRet.Replace("\r\n", "\n"); return csRet; } Thanks! Tag: Topmost visible window of a screen point Tag: 108264
  - 4
    - Slow redraw of controls when scrolling Hi all! I am running VS2005/,NET 2.0, and experience really slow performance on the refresh rate of GUI when scrolling my forms. To debug, I just created a clean UserControl and added about 50 empty textboxes to it, no databinding, and set the AutoScroll property to true. When scrolling, the screen is updated really slow, the textboxes are drawn partially, and blurr. CPU usage is 95-100%. Does anybode know why this happens? Best regards Anders Tag: Topmost visible window of a screen point Tag: 108260
  - 5
    - ADV: / SPAM: Job Posting Assistance All, Sorry for this "off topic" post but you all are always so helpful. We are a small company headquartered in Dallas / Fort Worth with 5 servers, 2 sites, 25 workstations and a couple remote users. We are outgrowing my ability to keep up and the ability to keep up development on small projects. We are looking to hire a cross job type person. Here's what I am after... Someone that can focus on web and database application development. There would also be a need to for the general network maintenance of servers and user issues and questions, along with input the IT infrastructure of today and tomorrow. Where is the best place to begin a search for qualified candidates in the Dallas / Fort Worth, Texas area? Thanks, Brian Tag: Topmost visible window of a screen point Tag: 108255
  - 6
    - Data grid hierarchal navigation I have hierarchal data grid that has parent and child tables linked via data relation. I would want the child row to be displayed with out having to click on the relation link the windows forms grid within the same grid. How can I achieve this? Thanks Tag: Topmost visible window of a screen point Tag: 108254
  - 7
    - Launch IE with a complex string Hi I am working on integrating some help modules and i need to launch the browser with a url like X:/WebHelp_WithTOC/index.htm#mergedProjects/ProductA/ProductA_Form1.htm while i can have a form and a webBrwoser control in it and pass this as a URl, i want to specifially launch IE with this page. The standard System.Diagnostics.Process.Start(String filename) does not work in this case. The error is 'the specified file could not be found'. In this function it considers the entire string to be proper path for a file cos the string starts with X:. How can i launch this url in a new instance of IE? Thanks Tag: Topmost visible window of a screen point Tag: 108252
  - 8
    - Textbox copy and paste problem I have create a very simple windows form application. I am using textbox control, but I am unable to copy and paste text into the textbox by using keyboard hot key. Anyone come across this problem before? Thanks Tag: Topmost visible window of a screen point Tag: 108237
  - 9
    - Transparent ContextMenuStrip with non-transparent text Hi, I am trying to implement a context menu that is 50% transparent. Setting the opacity to 0.5 works but unfortunately the texts are also displayed with transparency which makes them very hard to read. Now I would like to draw the menu background with transparency but the text without. I have tried various approaches without success: - Implement a ToolstripRenderer: Draws a gray background despite overriding all overridable methods - Handle Paint event of each menu item: Text gets drawn with transparency Does anybody have an idea how to approach this? Thanks in advance, Hans Tag: Topmost visible window of a screen point Tag: 108234
  - 10
    - Bug or bad design in System.Windows.Form.Form Hi While developing a Windows forms application I encountered what I consider to be a bug or a design flaw: Consider to have 3 Forms namely A B and C. B is owned by A and C is owned by B. If we close A, all three forms should close which is exactly the design described in the class library reference on msdn. However, if the windows run in NON modal mode (i.e. not showed using ShowDialog(IWin32Window), closing A does call the OnFormClosing on A and on B but NOT on C. C gets closed without a way to check for unsaved data, because the FormClosing event doesn't get raised. If window B and C run in Modal mode (ShowDialog(IWin32Window)), C raises the FormClosingEvent (from within the OnFormClosing Method), but setting e.cancle = false will NOT prevent the window from closing, and even worse, the OnFormClosing method will run AFTER the window has already been disposed. Possible Reason: The invaluable resource .NET Reflector gave me some insight to the Implementation of the System.Windows.Forms.Form class. When a window closes, it calls OnFormClosing on all of its MdiChildren and Owned Windows. If e.cancle does not evaluate to false after these calls, the form gets Disposed. Dispose(bool disposing) calls Dispose on all owned forms, and thus it works recursively. But OnFormClosing does NOT. So when I call A.Close() it "asks" B to close, and if B does not set e.cancle, A disposes itself which in turn disposes B and C. So C gets Disposed without a prior call to OnFormClosing and no event rising. Shouldn't the (private) WMClose method in System.Windows.Forms.Form call some RECURSIVE method to check recursively for all owner relationships if the owned forms (in all levels of the owner relationship) can close? Possible workaround: (NOT tested yet) override the OnFormClosing method that it calls OnFormClosing for all owned forms recursively. This however will cause the OnFormClosing method to be called twice for all owned forms that are directly owned by the "root" form, because WMClose calls OnFormClosing on all its directly owned forms, and later calls this.OnFormClosing. The loop which calls OnFormClosing for all owned forms shouldn't be in WMClose but rather in OnFormClosing itself, thus be recursive. For MdiWindows this problem does not exist, because MdiCild Relations can only exist in one level, so for MdiChildren this problem does not exist. But when one closes the MdiParent of an MdiChild which owns some window X, OnFormClosing and the FormClosing Event will NOT be called for X. Has anyone ever encountered problems with this behavior as I did? And how did you solve the problem? I would consider this behavior either a bug or a design flaw! Regards Stephan Tag: Topmost visible window of a screen point Tag: 108232
  - 11
    - ControlDesigner OnMouseDragMove only called once? I am playing with overriding the ControlDesigner OnMouseDragMove. But for some reason it only appears to get called when a control just begins its drag. I was anticipating it to be called for every movement of the mouse during the drag. Am I missing something so that this method is only called once? Is there another method I should be using that will be called for each movement of the mouse? Tag: Topmost visible window of a screen point Tag: 108231
  - 12
    - notification windows a la Outlook Hi all, I've been recently struggling to get to the bottom of this, but can't find the proper way to do this. I have a notification window, which may appear on screen when certain events are received. Currently the notes are created and displayed on the main form's gui thread. It works ok, until you go into 'modal' mode. That is, if there are a modal form and the note simultaneously on the screen, I cannot click on the notify window. There are two scenarios here: first the note pops up, then a modal window is opened; or the other way around: you receive the note while the modal window is on top. In both cases, I can't access the note. I looked at Outlook, how it behaves, and you can access the note (of course, trying to 'open' the email results in a warning message, stating it can't do that while modal windows are opened). I believe Outlook is using a different thread for the notes. I tried to do this, but it's not that easy. Notes must be _created_ (and displayed) on the 'notification thread'. Bottom line: I want to be able to create and display the notes from the gui thread, on the notes' thread (ideally I want only one thread for all notes, not one thread for each note). Any ideas are welcome. Thanks in advance, Cosmin. Tag: Topmost visible window of a screen point Tag: 108227
  - 13
    - VB WinForms Application doesn't inherit from WindowsFormsApplicationBase Hi there, Just out of curiosity.... Looking into Application.designer.vb as part of MyProject i see Partial Friend Class MyApplication <Global.System.Diagnostics.DebuggerStepThroughAttribute()> _ Public Sub New() MyBase.New(Global.Microsoft.VisualBasic.ApplicationServices.AuthenticationMode.Windows) .. End Sub .. End Class how come this class class doesn't or should i say "where does this class" inherit from WindowsFormsApplicationBase? I can see thats its partial and that its calling mybase.new but wheres the rest? Ive looked into the directory using windows explorer but still cant find it. Is this part of the visual studio/ vb compiler hoo doo voodoo? thanks richard Tag: Topmost visible window of a screen point Tag: 108215
  - 14
    - Print Dialog I need to programmically close a PrintDialog form after it is displayed with the "ShowDialog" method in case the user does not dismiss it himself. My app needs to have it time out. How can this be done ? Tag: Topmost visible window of a screen point Tag: 108211
  - 15
    - SystemParametersInfo call hanging. Due to the nature of our application, it is necessary to set a system setting that increases the size of the scrollbars when the application is the "active" one. When it is not, the system setting is reverted so that the scrollbars appear in their normal size. To achieve this, I am overriding the WndProc method and checking if the message received is WM_ACTIVATEAPP, (this is the message received when the application gets focus). Upon receipt, I make a call a call to the user32.dll call SystemParametersInfo to make a change to the scrollbar size. This seems to work just fine, but when my application receives a SystemEvent.PowerModeChanged or SystemEvent.DisplaySettings event, my call to SystemParametersInfo (called via the WndProc override) seems to hang... and I can't figure out why. Does anyone have any ideas on why the call to SystemParametersInfo would hang? It requires the user to kill the application. Thanks, Tag: Topmost visible window of a screen point Tag: 108210
  - 16
    - SystemParametersInfo call hanging. Due to the nature of our application, it is necessary to set a system setting that increases the size of the scrollbars when the application is the "active" one. When it is not, the system setting is reverted so that the scrollbars appear in their normal size. To achieve this, I am overriding the WndProc method and checking if the message received is WM_ACTIVATEAPP, (this is the message received when the application gets focus). Upon receipt, I make a call a call to the user32.dll call SystemParametersInfo to make a change to the scrollbar size. This seems to work just fine, but when my application receives a SystemEvent.PowerModeChanged or SystemEvent.DisplaySettings event, my call to SystemParametersInfo (called via the WndProc override) seems to hang... and I can't figure out why. Does anyone have any ideas on why the call to SystemParametersInfo would hang? It requires the user to kill the application. Thanks, Tag: Topmost visible window of a screen point Tag: 108209
  - 17
    - ANN: TayLayout Release 00.00.15 for IronPython TayLayout Release 00.00.15 for IronPython http://code.google.com/p/taylayout/downloads/list New This Release * Wordsearch generator sample (80% functional) * More controls specially supported (listbox, webbrowser) * More compound controls * Controls can now be right-aligned * Plenty of bug fixes TayLayout is a more sophisticated version of the flow layout - you can add controls to a panel or form and it takes care of positioning them. Controls are added in a Left to Right order until you specify that a new line is required. More info available at http://docs.google.com/View?docid=dd59dk39_2jh3xf9 Thanks, Davy Mitchell Tag: Topmost visible window of a screen point Tag: 108205
  - 18
    - Find the day of the Week I am currently writing a program in Visual Basic .NET and need to be able to find the day of the week when given the date (Ex. 1/20/07). Once the function is given the date it will the deliver the day such as Sunday, Monday, Tuesday and so on. Thank you very much. b89 Tag: Topmost visible window of a screen point Tag: 108202
  - 19
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Hi,
I am building an application that is similar to spy++. I want the user
to be able to click on a 'window' (textbox/combo/etc) and have it
highlighted.

BUT... the window they click on may share common coordinates with
another window, so how do i find the topmost visible window, given a
toplevel window handle and some x and y coordinates?

Cheers in advance,
James.

Top

Re: Topmost visible window of a screen point by Stoitcho

Stoitcho
Mon Jan 22 15:25:19 CST 2007

pigeonrandle,

There are bunch of API methods that can be used for that:

WindowFromPoint
ChildWindowFromPoint
ChildWindowFromPointEx
RealChildWindowFromPoint

BTW there is only one window that contains a given point and this is the
window on top according to the z order

--
HTH
Stoitcho Goutsev (100)

"pigeonrandle" <pigeonrandle@hotmail.com> wrote in message
news:1169495280.801918.248130@l53g2000cwa.googlegroups.com...
> Hi,
> I am building an application that is similar to spy++. I want the user
> to be able to click on a 'window' (textbox/combo/etc) and have it
> highlighted.
>
> BUT... the window they click on may share common coordinates with
> another window, so how do i find the topmost visible window, given a
> toplevel window handle and some x and y coordinates?
>
>
> Cheers in advance,
> James.
>

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