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Transparent background of the checkbox.
Note: Transparent background is used for displaying on the monitor only (not for print).
Bitmaps
Buttons enable displaying (according to the state they are in) 1-2 bitmaps. When using bitmaps, the parameter transparency is not taken into account, the button is drawn just like using the parameter "How button" but basic (default) position is on the left side and not in the middle.
The window of assigning bitmaps contains selection filed of a bitmap (2) for selected button state.
This field contains the name of a bitmap, the button opening selection window and the button ending the selection (x). Ending the connection is possible also by entering the non-existing name of the bitmap.
Under the selection field, there is a field of bitmaps for possible button states,
where it (3) defines with which state we will work in the selection field (4) and suggests a state type (unmarked, marked and prohibitednot selected, selected, disabled). An illustration of individual states:
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