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c++ Programming Glossary: hwndBest method for storing this pointer for use in WndProc http://stackoverflow.com/questions/117792/best-method-for-storing-this-pointer-for-use-in-wndproc etc. Edit What is the earliest place I can validly use the HWND in the window proc It is documented as WM_NCCREATE but if you.. accessing the this pointer. MFC uses a hashtable lookup of HWNDs. c windows winapi oop wndproc share improve this question..
How to append text to a TextBox? http://stackoverflow.com/questions/12537456/how-to-append-text-to-a-textbox code should be self explanatory. #include Windows.h static HWND textBoxInput static HWND button static HWND textBoxOutput LRESULT.. #include Windows.h static HWND textBoxInput static HWND button static HWND textBoxOutput LRESULT CALLBACK WindowProc.. static HWND textBoxInput static HWND button static HWND textBoxOutput LRESULT CALLBACK WindowProc HWND hwnd UINT uMsg..
Get HWND on windows with Qt5 (from WId) http://stackoverflow.com/questions/14048565/get-hwnd-on-windows-with-qt5-from-wid HWND on windows with Qt5 from WId I am trying to convert a Qt4 Application.. The only thing I couldn't figure out is how to get the HWND of a Widget. The program uses EcWin7 to show the progress on.. the progress on the taskbar icon on win 7 but expects a HWND . The lib itself seems to compile fine after changing Q_WS_WIN..
Reading from a text field in another application's window http://stackoverflow.com/questions/352236/reading-from-a-text-field-in-another-applications-window box control . Here's a concocted sample sans error checks HWND hwnd HWND 0x00310E3A char szBuf 2048 LONG lResult lResult SendMessage.. . Here's a concocted sample sans error checks HWND hwnd HWND 0x00310E3A char szBuf 2048 LONG lResult lResult SendMessage..
Is 'volatile' needed in this multi-threaded C++ code? http://stackoverflow.com/questions/3612505/is-volatile-needed-in-this-multi-threaded-c-code ... BOOL CALLBACK ProgressBarDialog DialogProc HWND dialog UINT message WPARAM wParam LPARAM lParam switch message..
How to get a list of video capture devices (web cameras) on windows? (C++) http://stackoverflow.com/questions/4286223/how-to-get-a-list-of-video-capture-devices-web-cameras-on-windows-c ms samples on topic found this HRESULT OnInitDialog HWND hwnd ChooseDeviceParam pParam HRESULT hr S_OK HWND hList GetDlgItem.. HWND hwnd ChooseDeviceParam pParam HRESULT hr S_OK HWND hList GetDlgItem hwnd IDC_DEVICE_LIST Display a list of the..
How to get screenshot of a window as bitmap object in C++? http://stackoverflow.com/questions/7292757/how-to-get-screenshot-of-a-window-as-bitmap-object-in-c dc this Get the window handle of calculator application. HWND hWnd FindWindow 0 _T Calculator Take screenshot. PrintWindow.. MFC here the pure PrintWindow signature BOOL PrintWindow HWND hwnd HDC hdcBlt UINT nFlags see MSDN for more details http msdn.microsoft.com.. _WIN32_WINNT 0x0501 xp #include windows.h int main RECT rc HWND hwnd FindWindow TEXT Notepad NULL the window can't be min if..
How to append text to a TextBox? http://stackoverflow.com/questions/12537456/how-to-append-text-to-a-textbox static HWND textBoxOutput LRESULT CALLBACK WindowProc HWND hwnd UINT uMsg WPARAM wParam LPARAM lParam int CALLBACK WinMain HINSTANCE.. msg return 0 LRESULT CALLBACK WindowProc HWND hwnd UINT uMsg WPARAM wParam LPARAM lParam switch uMsg case WM_COMMAND.. break case WM_PAINT PAINTSTRUCT ps HDC hdc BeginPaint hwnd ps HBRUSH pedzel pedzel CreateSolidBrush RGB 10 250 10 FillRect..
How to get hWnd of window opened by ShellExecuteEx.. hProcess? http://stackoverflow.com/questions/3269390/how-to-get-hwnd-of-window-opened-by-shellexecuteex-hprocess SHELLEXECUTEINFO sei.fMask SEE_MASK_NOCLOSEPROCESS sei.hwnd hWndMe This app's window handle sei.lpVerb _T open sei.lpFile.. AProcessID BOOL __stdcall EnumProcessWindowsProc HWND hwnd LPARAM lParam ProcessWindowsInfo Info reinterpret_cast ProcessWindowsInfo.. lParam DWORD WindowProcessID GetWindowThreadProcessId hwnd WindowProcessID if WindowProcessID Info ProcessID Info Windows.push_back..
Reading from a text field in another application's window http://stackoverflow.com/questions/352236/reading-from-a-text-field-in-another-applications-window control . Here's a concocted sample sans error checks HWND hwnd HWND 0x00310E3A char szBuf 2048 LONG lResult lResult SendMessage.. char szBuf 2048 LONG lResult lResult SendMessage hwnd WM_GETTEXT sizeof szBuf sizeof szBuf 0 LPARAM szBuf printf Copied..
How to get a list of video capture devices (web cameras) on windows? (C++) http://stackoverflow.com/questions/4286223/how-to-get-a-list-of-video-capture-devices-web-cameras-on-windows-c ms samples on topic found this HRESULT OnInitDialog HWND hwnd ChooseDeviceParam pParam HRESULT hr S_OK HWND hList GetDlgItem.. pParam HRESULT hr S_OK HWND hList GetDlgItem hwnd IDC_DEVICE_LIST Display a list of the devices. for DWORD i 0..
Insert text into the textbox of another application http://stackoverflow.com/questions/4539187/insert-text-into-the-textbox-of-another-application the HWND from that and then... hmm.... then what c# c ipc hwnd inter process communicat share improve this question Use..
How to get screenshot of a window as bitmap object in C++? http://stackoverflow.com/questions/7292757/how-to-get-screenshot-of-a-window-as-bitmap-object-in-c here the pure PrintWindow signature BOOL PrintWindow HWND hwnd HDC hdcBlt UINT nFlags see MSDN for more details http msdn.microsoft.com.. 0x0501 xp #include windows.h int main RECT rc HWND hwnd FindWindow TEXT Notepad NULL the window can't be min if hwnd.. FindWindow TEXT Notepad NULL the window can't be min if hwnd NULL cout it can't find any 'note' window endl return 0 GetClientRect..
Using SendMessage to enter text into an edit control belonging to another process http://stackoverflow.com/questions/9984770/using-sendmessage-to-enter-text-into-an-edit-control-belonging-to-another-proces working.... I tried this too and not working SendMessage hwnd WM_SETTEXT NULL LPARAM text hwnd is correct but text is not.. not working SendMessage hwnd WM_SETTEXT NULL LPARAM text hwnd is correct but text is not updated... it send to correct handle.. testing purposes use can use SetForegroundWindow window_hwnd and some more stuff to focus the window. share improve this..
http://stackoverflow.com/questions/1202262/ruby-win32-api-interface is as follows typedef struct _AppBarData DWORD cbSize HWND hWnd UINT uCallbackMessage UINT uEdge RECT rc LPARAM lParam APPBARDATA.. end end # From shellapi.h APPBARDATA Struct.new cbSize hWnd uCallbackMessage uEdge rc lParam APPBARDATA.class_eval do def.. HWND UINT UINT RECT LPARAM cbSize 4 4 4 4 16 4 cbSize hWnd uCallbackMessage uEdge rc.pack lParam .pack 'L2I2a16L' end def..
How to get hWnd of window opened by ShellExecuteEx.. hProcess? http://stackoverflow.com/questions/3269390/how-to-get-hwnd-of-window-opened-by-shellexecuteex-hprocess to get hWnd of window opened by ShellExecuteEx.. hProcess This simple issue.. sei.fMask SEE_MASK_NOCLOSEPROCESS sei.hwnd hWndMe This app's window handle sei.lpVerb _T open sei.lpFile tstrNotepad_exe.c_str..
Creating a transparent window in C++ Win32 http://stackoverflow.com/questions/3970066/creating-a-transparent-window-in-c-win32 started. Here's the line where I setup the new window hWnd CreateWindowEx WS_EX_TOPMOST szWindowClass szTitle WS_POPUP.. handler for WM_PAINT message case WM_PAINT hdc BeginPaint hWnd ps Gdiplus Graphics graphics hdc graphics.DrawImage m_pBitmap.. graphics hdc graphics.DrawImage m_pBitmap 0 0 EndPaint hWnd ps break One thing to note is that the application is always..
Win32: How to hide 3rd party windows in taskbar by hWnd http://stackoverflow.com/questions/7219063/win32-how-to-hide-3rd-party-windows-in-taskbar-by-hwnd How to hide 3rd party windows in taskbar by hWnd I have to hide popup windows in third party library. I have.. with SetWindowsHookEx and know all the newely created hWnd s . I listen to HSHELL_WINDOWCREATED callback and do the following.. callback and do the following long style GetWindowLong hWnd GWL_STYLE style ~ WS_VISIBLE this works window become invisible..
How to get screenshot of a window as bitmap object in C++? http://stackoverflow.com/questions/7292757/how-to-get-screenshot-of-a-window-as-bitmap-object-in-c this Get the window handle of calculator application. HWND hWnd FindWindow 0 _T Calculator Take screenshot. PrintWindow hWnd.. FindWindow 0 _T Calculator Take screenshot. PrintWindow hWnd dc.GetSafeHdc 0 see this question getting window screenshot..
Using SendMessage to enter text into an edit control belonging to another process http://stackoverflow.com/questions/9984770/using-sendmessage-to-enter-text-into-an-edit-control-belonging-to-another-proces directX but running in window mode. I'm doing this HWND hWnd FindWindow NULL Game HWND edit FindWindowEx hWnd NULL Edit NULL.. this HWND hWnd FindWindow NULL Game HWND edit FindWindowEx hWnd NULL Edit NULL SendMessage edit WM_CHAR TCHAR 'H' 0 SendMessage.. the following code will never work HWND edit FindWindowEx hWnd NULL Edit NULL and by the way always make sure that FindWindowEx..
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