returns 1 if "a*b + add" has no negative terms/factors and doesn't overflow

after we see SOS

Convert an UTF8 string to a wide Unicode String

* @brief * Get the current vertical alignment of the port element. * * @return * The current vertical alignment value, ranging f

declared in context.hpp

* \brief * Constructs a shortcut_key with specified key and modifiers. * * Initializes the shortcut with a key code and modifier key

IDropTarget methods

IUnknown methods