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Hello, Sven, thanks for your sample, works fine, but unfortunately it is not quite suitable for me. I need to create a device from a dialog that should not be visible on the screen. In addition a dialog can contain transparency so background should not count in that case. I attached my sample with a simple code scenario that collects all hidden dialog pixel data into a one device. Works fine except for one thing: after the dialog is shown when clicking on a child widget others widgets become hid…

Hello, presumably it is a matter of choosing an appropriate widget and passing WM_KEY message to it. 1. Scroll through options on a menu using an encoder. 2. Select the preferred option by pressing the encoder. For ex, LISTBOX widget: C Source Code (64 lines) 3. Input values by rotating the encoder and then set the values by pressing the encoder For ex, SPINBOX widget: C Source Code (64 lines)

Hello to everyone, I need to create a memory device with a content of a dialog window. There was an old thread https://forum.segger.com/index.php/Thread/8148-get-data-pointer-in-window/ and undocumented function GUI_MEMDEV_CreateWindowDevice() was mentioned there. When I use that function I get a memory device with a content of a parent window. But how to get a memory device with a content of a whole dialog with all child widgets? Of course we can use WM_ForEachDesc() with GUI_MEMDEV_CreateWindo…