Category : hwnd

I am creating a log in screen for my app, I created the buttons but I dont know how to make my program do something when one of these buttons are pressed.Here is my code(I dont think it will be usefull) LRESULT CALLBACK WndProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam) { switch(Message) { case ..

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How can I create video of specific window on Windows operating system using Qt? Specific window can be any opened GUI program like Chrome, Notepad etc QScreen *screen = QGuiApplication::primaryScreen(); if (const QWindow *window = windowHandle()) screen = window->screen(); pixmap = screen->grabWindow(0); Using this approach I can record entire desktop but How can I record ..

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How can I create video of specific window on Windows operating system using Qt? Specific window can be any opened GUI program like Chrome, Notepad etc QScreen *screen = QGuiApplication::primaryScreen(); if (const QWindow *window = windowHandle()) screen = window->screen(); pixmap = screen->grabWindow(0); Using this approach by continuously taking screenshot I can record entire desktop but ..

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Trying to create a window in c++ Visual studio and with this code i get the error ‘wWinmain’: function cannot be overloaded. (line 7) I’ve tried changing wWinMain and LPSTR to WinMain and LPTSTR but i still get the same error. #include <windows.h> LRESULT CALLBACK WindowProcedure(HWND, UINT, WPARAM, LPARAM); int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, ..

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Error Identifier "hInstance" is undefined./’hInstance’: undeclared identifier. Using Visual Studio #include <windows.h> int main() { LRESULT CALLBACK WindowProcedure(HWND, UINT, WPARAM, LPARAM); int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int ncmdshow); WNDCLASSW wc = { 0 }; wc.hbrBackground = (HBRUSH)COLOR_WINDOW; wc.hCursor = LoadCursor(NULL, IDC_ARROW); wc.hInstance = hInstance; wc.lpszClassName = L"myClass"; wc.lpfnWndProc = WindowProcedure; return 0; ..

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I’m trying to get other monitors HWND for further work. Unfortunately, I could only get it for the main monitor by GetDesktopWindow(), but for others I do not understand how to find it. I tried to use EnumDisplayDevices() to get the ID or name of the device and used them in FindWindow(), but this function ..

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