Introduction - If you have any usage issues, please Google them yourself
example of the realization of a dynamic update of the graphics menu, when they meet certain conditions, we will open or folding some menu items procedures Description : When the [fixed size] menu item selected, the corresponding number of the menu are shown. Users select the right size and graphics (yes oval, or rectangle), in the window by clicking the left mouse button will draw the corresponding graphics. When [custom size] menu item was selected, then several fixed-size menu items were removed. Users choose graphics (yes oval or rectangular), this in the window to press the left mouse button and moving care, the program will draw the corresponding graphics.