Getwindowrect returns wrong values The method you're using seems a very roundabout way of doing it and, if you can call GetWindowRect(), I'm pretty certain you can call GetSystemMetrics() as well. GetWindowPlacement gives good values in rcNormalPosition, but these are the coordinates the application returns to when un-maximized, which could be partly or wholly on another monitor. I've been working on a resizer UC since some time, when time allows, and I have a staggering problem with the return value from a GetWindowRect API call. AdjustWindowRectEx() and GetWindowRect() give wrong size I tried to use GetClientRect, but it ALWAYS gives WRONG values (see details below). GetLastWin32Error() to find out why. Getting an DPI aware correct RECT from GetWindowRect from a external window. Related questions. On Windows 10, if you call DwmGetWindowAttribute() with DWMWA_EXTENDED_FRAME_BOUNDS before the window has first been drawn to the screen (e. As I understand it, this API will return the full width and height of my form in pixels, but I'm trying to replicate the Aero Snap functionality for an explorer window I'm starting via Process. A tool window has a title bar that is shorter than a normal title bar, and the window title is drawn using a smaller font. dll")] public static I would've thought that WinAPI gives me the unscaled (i. Second, for some reason it causes an exception when it closes on my system. Many WebDriver clients present separate API methods for getting an element's location and dimensions, but as an optimization they both use this primitive. The thing is the same as with isWindowVisible. The signature is wrong it should be: [DllImport("user32. May 4, 2019. Your definition of RECT is correct. The loop does run as confirmed by a messagebox but p. Rectangle is incorrect. The client rect does not. ; Updated: 12 Jul 2024 as the window size, the window's size physical size actually turns out to be 656x515 pixels. Heavly commented (and dirty Why does GetWindowRect give like 8 pixels too wide area when I call it for a window? I get the windows handle by BOOL CALLBACK EnumWindowsProc(HWND hwnd, LPARAM lParam); The system returns all points to an application in its own coordinate space. GetWindowRect returns wrong values on one application, all other applications are correct. 0. It applies to that window class. Bool)] static extern bool GetWindowRect(HandleRef hWnd, out RECT lpRect); [StructLayout(LayoutKind. However, it's returning a window that is slightly smaller than I These values were returned by picWnd->GetWindowRect or by ScreenToClient? Hi. Width is not equivalent to right and Height is not When GetWindowRect() is called in Python, the values it returns are inaccurate if a DPI scaling level of anything but 100% is used. dll function DwmGetWindowAttribute. EventArgs) Handles Button1. Graphics. It has to be this way: GetWindowRect(handle, ref rect);. The system returns values according to the DPI awareness of the caller. The other ones (left, top, bottom) have reasonable values (within screen boundaries) This member can be one of the following values. Type: BOOL. GetLastWin32Error() returns 1400 (Invalid Window Handle). 20. Am I doing something wrong? I can work around the problem by playing with the values until the box is the size I want, but am concerned it will not work if the screen resolution of the PC is somehow involved in the confusion. When called, GetClientRect returns a 'right' value of 1264 and 'bottom' value of 681, despite me wanting values of 1280 and 720. 08. GetWindowRect() fails, but IsWindow() is not. I'm guessing a little, but your problem could be related to the comment at the bottom of the GetWindowRect MSDN topic. locateAllOnScreen() 1 Pyautogui not clicking on exact location. Go back to the alphabetical Function listing. Correct results can be obtained with a dllcall to the dwmapi. A handle to the window. However, when I set my windows dpi to 150% (120 dpi), I get different GetWindowRect returns different values than Spy++. Expected behavior and actual behavior. The GetWindowRect method gets the size and position of the client area of the window with respect to the window that owns the Windows collection to which it belongs. Edited by William on May 4, 2019, 4:36pm. MainWindowHandle returns 0, while p. GetWindowRect returns a rect in screen coordinates whereas GetClientRect returns a rect in client coordinates. TestStack. Bool)] public static extern bool GetWindowRect(IntPtr hWnd, ref The Get Window Rect command of the WebDriver API returns the size and position of the given WebElement. 1 GetWindowRect differs from Window. Right - r. And i want to get them from my To get extended error information, call GetLastError. And Rectangle is just a wrapper of the native RECT. 3 Getting foreground window size wrong all the time. With all other text size values the function GetClientRect GetWindowRect returns wrong values on one application, all other applications are correct. Heavly commented What I am trying to do is getting the width and the height of my gui when handling the WM_DPICHANGED message. the actual values fit fine into 32-bit data types: in fact this is required so that 32 and 64 bit apps can communicate via windows messages. 在win10上调用win32gui. Nothing. That's just how the window is built (and the theme applied). Follow asked Sep 2, 2013 at 5:42. GetWindowRect后获取到的屏幕分辨率比实际获取的小，找遍了百度都是类似该文章的回答。. If the function fails, the return value is zero. C Struct Passing was not defined in the Custom Data Type LPRECT. One, the test program doesn't Today I asked the question on stackoverflow. 4. Commented Apr 15, 2017 at 14:46. Values Top, Bottom, Left, Right aleays has value. Print "Height ="; r. You'll need to update your P/Invokes too: So, going back to your initial dilemma, 22/15 = 1. I've simplified as much as possible, but still only get 0,0,0,0 back in my "rect" Any one seen this? Running Windows 7, VB 2008 FORM: Private Sub Button1_Click(ByVal sender As System. Object, ByVal e As System. It's also strange that i can't reproduce this on every machine, "What's wrong with GetSystemMetrics(SM_CXBORDER) and GetSystemMetrics(SM_CYBORDER)?. 使用win32gui. Because of DPI virtualization, if one application queries another with a different awareness level for DPI-dependent information, the system will automatically scale values to match the awareness level of the caller. Check the return value and if the call fails use Marshal. I have a little problem. The window rect includes the non-client area, i. I stumbled upon this solution a while back trying to get Pyautogui Free source code and tutorials for Software developers and Architects. Visual Studio IDE has its own tool-windows, when tool-window is docked, I discovered a new solution for those who need logical coordinates like how GetWindowRect returns but with correct values GetWindowRect returns wrong values on one application, all other applications are correct. 44. Now this is working in Debug mode, but in Release mode, m_cWindowRgn. I must say I find it a little hard to believe that GetWindowRect() does not return the correct window rect. LPRECT pRect = {0}; Dim r As RECT ' receives window rectangle Dim retval As Long ' return value retval = GetWindowRect(Form1. – Raymond Chen. If your process is high-DPI aware, then you will get the real values. 1w次，点赞10次，收藏23次。问题起因最近在研究游戏脚本，在获取窗口位置时，使用spy++查找得到的窗口得到的边框十分准确；当当我使用win32gui. Rectangle and RECT has left, top, right and bottom fields that the Rectangle class changed to read-properties (Left, Top, Right, Bottom). I use MoveWindow for that and while the explorer starts, I'm unable to get the resizing to work with any application. It appears that the returned value from Window. This is coherent considering the The GetWindowRect function retrieves the dimensions of the bounding rectangle of the specified window. dll")] [return: MarshalAs(UnmanagedType. GetWindowRect - wrong values on Vista/WIN7 GetWindowRect - wrong values on Vista/WIN7. Added: CompareString API; Improved: Mouse capturing on Linux; Fixed: GetWindowRect returns wrong value for control with NC area; Fixed: Wrong window size if menu Return value. GetWindowRect returns a size including "invisible" borders. Print "Width ="; r. With Aero enabled WinGetPos() returns wrong results. 14. Sequential)] public struct RECT { public int Left; // x position of upper-left corner public int Top; // y position of upper-left corner public int Right; // x position of lower-right corner public int Bottom; // y But you said that GetWindowRect returned success. for high DPI. Problems with bringing window to foreground. 0x001e0a54, but it changes on every run). hWnd, r) ' set r equal to Form1's rectangle Debug. Then I get the returned coordinates being 0,0,25,50 yet the applications size does not change. Corrected version in attachment. Norbert but the null pointer you're passing as the second parameter to GetWindowRect(). dll", SetLastError=true)] static extern bool GetWindowRect(IntPtr hwnd, out yea I labeled the output wrong, GetWindowRect returns right and bottom absolute coordinates, so you would normally have to subtract this from top and left at 0 and 4 bytes. 23 returns 2 because 23/2=1. To get extended Now I can perfectly complete this by using GetWindowRect. Ask Question Asked 3 years, 2 months ago. Apps under Vista that are not linked with WINVER=6 will receive a misleading set of values here, that do not account for the extra As I said in reply #9 above, I needed to look into this issue again. How to use GetWindowRect. BOOL GetWindowRect( [in] HWND hWnd, [out] LPRECT lpRect ); Parameters [in] hWnd. Viewed 82 times Separating the x and y values returned by pyautogui. Hi guys I'm in the process of making a . On regular computer GetWindowRect return FALSE, when TabTip is I was able to solve the problem. GetWindowRect() But the value returned by DwmGetWindowAttribute with DWMWA_EXTENDED_FRAME_BOUNDS changes drastically. 1 as I have not tested it on other OSes). Zero to be precise) while I can find the controls with Inspect. Commented Jan 27, 2016 at 1:10. GetClientRect returns /// Creates a tool window; that is, a window intended to be used as a floating toolbar. It returns the wrong values for the windows coordinates. public static SizeF GetCurrentDpi() { using (Form Hello MFC experts; I'm calling the GetWindowRect() function in my OnInitDialog to save the window size for resizing later. win32gui. And i want to get them from my other class CCtrl: void CCtrl::OnLButtonUp(UINT nFlags, CPoint point) { CRect rectPicture; CWnd *picWnd = NULL; picWnd = GetParent()->GetDlgItem(IDC_PICTURE); picWnd->GetWindowRect(&rectPicture); ScreenToClient(&rectPicture); The solution I used was to call GetWindowRect() in place of GetWindowPlacement() to obtain the window position and size. The ClientRectangle property also returns the same scaled dimensions as GetClientRect. GetClientRect(_handle, out clientRECT); So I decided to store x- and y-delta, between window rect (with borders) and client rect, when window is created, and then sum up this delta values with window rect, received from lParam of first time writing a question here, this site helped me a lot thru the years, thanks ! DwmGetWindowAttribute doesn't return exact rectangle where the window is and its's size using this code : [DllImport("User32. The last sentence is just a different way of phrasing what I said above. 4 GetWindowRect has offset in Windows 10. g. The problem is when I call FindWindowEx the function returns 0 (IntPtr. Top. Commented Nov 24, 2015 at 6:33 @RaymondChen I run into the same issue as well using similar code. When i click the Foo button it shows that the Left value returned by GetWindowRect differs from Window. I am using GetWindowRect from the windows API to get the bounds of a running application, I then use these bounds to screenshot the application. 4 GetWindowRect returns wrong values on one application, all other applications are correct I am trying to change my window background but the function GetWindowRect is not getting the left and top values right. 1. Those are the same metrics computed using the values returned by GetWindowRect and GetClientRect. One example of this is if you call GetWindowRect and pass in a window created by another application. I know that the message provides a pointer to a rect struct GetWindowRect returns wrong values on one application, all other applications are correct 4 Get exact window region size - CreateWindow window size isn't correct size of window One, the test program doesn't work. You do not need to scale the values yourself. So i t works now. The command operates on the currently selected window, and returns size and position of the I tried using suggested GetWindowRect. In conformance with conventions for the RECT structure, the bottom-right coordinates of the returned rectangle are I am trying to get the window rectangle from another application, so I can position one of my own against it. What can be wrong? winapi; visual-c++; Share. When I set the left and top values manually it GetWindowRect() returns wrong coordinates. The code is bad, types are wrong, making GetWindowPlacement return bogus data. It's not wrong. . But, if I make a call to BOOL res = IsWindow Also, GetClientRect returns the rectangle by storing it into the value pointed at by the second parameter. Modified 3 years, 2 months ago. GetWindowRect always returning same values. Left. A pointer to a RECT structure that receives the screen coordinates of the upper-left and lower-right corners of the window. For the GetWindowRect returns wrong values on one application, all other applications are correct. If the function succeeds, the return value is nonzero. I can get the window's handle, which I have verified using Inspect. You have to wait until the window has The function GetClientRect returns wrong values for Right and Bottom if the windows text size (DPI) is set to 110%. Click Dim wRect, cRect As RECT Myhandle = 我想在MFC程序中捕获组件的坐标。现在，我可以通过使用GetWindowRect完美地完成这项工作。然而，当我将windows dpi设置为150% (120dpi)时，我从GetWindowRect得到了不同的坐标。因此，我研究了一些将新坐标转换为默认dpi (96dpi)的方法。最后，当我尝试的时候，我发现有一些错误：Rect. User32. 11. The dimensions are given in screen coordinates that are relative to the upper-left corner of the screen. Hot Network Questions Does a fluorescent lamp have negative resistance or negative temperature coefficient? GetWindowRect returns wrong values on one application, all other applications are correct. You state that this fails for you, in which case I have no idea what to suggest. This way you should be able to calculate it correctly (it's how I do it in one of my projects). Return value. FindWindowEx returns 0 when used on specific application. 4666, hence the answer returned by GetWindowRect is 1 (since that API call returns pixels and performs rounding). There was one frustrating problem with this however - when capturing an image based on the value of the Bounds property of a Form unexpected values were returned for the left position, width and height of the window, causing my screenshots to be too big. By Zedna December 3, 2009 in AutoIt I dug a little deeper into it. My guess is that GetWindowRect fails for some reason and so doesn't assign any values to the rect. x13pixels #21008. My code works for about 10 programs I have I am trying to find all child controls of a given window. com about strange behavior of GetClientRect function on WM_SIZING event. I copied this from the GetClientRect function I normally use, which returns relative, top and left would always be 0, or wherever the client frame starts. 4 GetWindowRect returns wrong values on one application, all other applications are correct Hmmm - seems I'm doing something wrong with GETWINDOWRECT. – Simple_AOB. MoveWindow declaration: Did you try the win32gui. Windows : GetWindowRect returns wrong values on one application, all other applications are correctTo Access My Live Chat Page, On Google, Search for "hows t Free source code and tutorials for Software developers and Architects. returned values should be the same regardless of Windows display DPI settings) dimensions, but it appears to give me the scaled one instead (at least on Windows 8. Show 1 more comment @Coptil David It is known that when a window is snapped the snapped location is not reflected in the information returned by SDL_GetKeyboardState() returns wrong scancode for all keys GetWindowRect returns wrong values on one application, all other applications are correct. Flags and length should be uint, POINT members X and Y must be int! [DllImport("user32. Writing to output window of Visual Studio. top * (DEFAULT_DPIY / GetWindowRect gives me the same results. The FillRect function only fills a quarter of the screen and the rest is left transparent. I tried using the following to get the window size HWND HWND; RECT Size; GetWindowRect(HWND, SIZE) 一：关于坐标 MFC中绘图时经常涉及到坐标计算，GetWindowRect和GetClientRect这两个函数，是获取逻辑坐标系中窗口或控件(其实也是窗口)大小和坐标的常用函数了，有什么不一样的？先说说什么叫逻辑坐标？讲到逻辑坐标，它相对的一个概念是设备坐标，是为了屏蔽掉不同设备属性差别而设置的抽象坐标 GetWindowRect and GetWindowInfo results in negative values, and apparently the same for all monitors. Just get these by creating a dummy Form and a Graphics object from it (if your code is being executed outside of a Form's context):. GetWindow? GetWindowRect returns wrong values on one application, all other applications are correct. 777. GetWindowRect()得到矩形边框时，却发现窗口小了许多。产生原因看了这篇博客，找到了问题所在。自从vista系统开始，窗口有毛玻璃特效边框 Using System. GetWindowRect( ) function too? Make sure that One Notepad window moved to overlay a snapped notepad window - again, compare coordinate values - 1 vote Report a concern. the window borders, caption bar etc. 0 GetWindowRect returning same value for left & right. I try to get coordinates of my control. dll file in visual studio, The . 4 GetWindowRect returns wrong values on one application, all other applications are correct GetWindowRect returns wrong values on one application, all other applications are correct Of course that code will not work. I thought that Fixed: Wrong version info for OSX32 project; Version 1. Drawing. 4 GetWindowRect returns wrong values on one application, all other applications are correct That means that the coordinates returned by functions like GetWindowRect will be virtualized coordinates and so will not match the true screen coordinates. Please note that apart from DPI awareness there are other reasons why GetWindowRect() may give wrong results. 2. If you want to invalidate your entire client area, then pass NULL to InvalidateRect. InvalidateRect receives a rect in client coordinates. 文章浏览阅读1. Yes I know, that title almost sounds as a detective novel, but it's actually a VB6 problem, or a VB6 UC problem possibly. e. I know JohnOfc marked this thread as solved, but I decided (and hoped) my new work on this topic might benifit someone, so I wanted to share my code. top = Rect. 09 #179: Using Win32 critical section API in a heaviliy multithreaded environment can cause access violations; Version 1. So, edit your GetWindowRect declaration. Windows draws a shadow border around all toplevel windows that may be 2 GetWindowRect returns wrong values on one application, all other applications are correct. Alternatively, I think you could use GetWindowRect. For the Windows collection of an Application object, the "with respect to" window is the MDICLIENT window of the Microsoft Visio main window. 2 How to obtain FireFox newly created window handler? 5 C# - user32. 10 GetWindowText in c# returns a rectangles instead of text. You can get the current DPI setting via the . I wrote this code on C++ to test it: Here's some portion of The reason you were getting the wrong values from GetWindowRect was precisely because you weren't scaling the Top and Left properties of the Form as Max and I showed. Start(). See Also: MoveWindow, SetWindowPos Category: Windows. wrong on retina screen #1330. RECT clientRECT; User32. Improve this question. Here is my code. 5 scale. Still, GetWindowRect() returns 646x505, i. in order to place a new window correctly on the screen) then you get the same result as GetWindowRect() - i. Left Debug. The return value of IsWindow is true, but GetWindowRect fails with the following error: 1400: Invalid window handle. 11 How to use GetWindowRect. Jason #21006. A 100 by 200 box in the resource editor is 163 by 200 in the units used by GetWindowRect and MoveWindow. One other possibility is to use GetWindowRect to get the entire bounding rectangle GetWindowRect returns wrong values on one application, all other applications are correct. Return Values If the function succeeds, the return value is nonzero. 4 How to set exact client size for overlapped window? (winapi) 1 Form's ClientSize giving weird results on set. GetWindowRect has offset in Windows 10. GetWindowRect(hWnd)获取窗口的宽高时始终偏小，只有正确值的80%。 总结一下就是自从vista系统开始，窗口有毛玻璃特效边框，而GetWindowRect并没有计算上这部分，所以获取的值会偏小。 In my last article, I describe how to use the Win32 API to capture screenshots of the desktop. Edits after suggestion from comments: For instance, in the primary monitor DwmgetWindowAttribute returns a rect of width and height 292, 100 and the other values return 306, 107. I have tried breaking the program, closing roclink and the SetWindowPos and GetWindowRect both return 0 and do not return the false values indicating that the handle is GetWindowRect (and other similar functions) returns wrong rectangle if window is not maximized and/or detached from the top of the screen, here is a two screenshots with rectangle results comparison with using For my C++ program I'm trying to query my window's size through WINAPI's GetClientRect () function. If you change Framework version, GetWindowRect and GetClientRect return different values. Is there any way to get around this, or mathematically adjust? From that point on calls like GetWindowRect() should return the proper values. Handle returns an actual value. What is the return value of the call to GetWindowRect()? Is it true or false? – Jens Meinecke. GetWindowRect() return different size vs spy++。 for example: the spy++ return (3, 3, 300, 300) but win32gui return (2, 2, 200, 200) which is x1. On a tblet, no matter the keyboard is seen or not GetWindowRect return TRUE. Almost. Type: HWND. White Why can I find a window with Application. Hi. [out] lpRect. 5333 and so on and so forth for all your other cases. Left is relative, but i'm not sure to what. DpiY; properties. including the invisible border. Closed huhuang03 opened this issue Apr 15, 2019 · 1 comment Closed The only problem is that the borders are invisible in Windows 10, so it appears that the window is in the wrong place. right will contain a ridiculous value (e. exe. Bloody stupid Windows GetClientRect returning wrong size. I have defined the C Struct Passing with the right datatype I32 and then set parameter in function call to category C Struct and pass By Pointer (*). 44 GetWindowRect returns You aren't checking your Win32 return codes. The text size 100%, 125% or 150% works fine. The fields do not match. If the HWND were invalid, then GetWindowRect should have returned failure. 0 Pyautogui not giving output in the required window GetWindowRect returns wrong values on one application, all other applications are correct. exe (from the Windows Development Kit). I am using VB6 on Window 98se. Type: LPRECT. the same dimensions as returned by AdjustWindowRectEx() but as I said, when I take a screenshot of the desktop and measure the window's size using a paint program, its physical size is actually 656x515 pixels. dll needs to be able to get the size of the window created in the original project. Thus its values remain uninitialised. DpiX and ; Graphics. GetWindows but not with . but just about every bloody site I have looked at which shows examples of using GetWindowRect, they all show them as integers. The function itself returns false, and Marshal. ; Updated: 13 Jul 2024 General Anticheat Guide Kernel Mode Anticheat Junk Code / Polymorphic Code Finding Obfuscated Values EAC GetWindowRect returns the RECT of the whole window, including the borders. dll - GetWindowRect problem. 1 GetWindowRect always returning same values. I created a small sample application to illustrate a problem i encountered when using GetWindowRect. [DllImport("user32. Bottom - r. The problem I am having is two fold. Remarks. hqvj lgqrpm ldllth mqbe kjoyhz twcsn xqume pzdpn owltqp mtpttshho avirio kssj cyrxi pyhmycd pnlxau