PaintHook
main.cpp
#include <CtrlLib/CtrlLib.h>
using namespace Upp;
GUI_APP_MAIN
{
Ctrl::InstallPaintHook([](Ctrl *ctrl, Draw& w, const Rect&) {
w.DrawRect(100, 100, 500, 200, Blue());
w.DrawText(100, 120, "PAINT HOOK!", Arial(50), Yellow());
});
TopWindow win1, win2;
win1.OpenMain();
win2.Run();
}
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