Constructs a CXlControlListBox object, without displaying it
CXlControlListBox( UINT id = -1, int nSel = -1, USHORT x = 0, USHORT y = 0, USHORT cx = 0, USHORT cy = 0 );
Numeric identifier of the control, which can be used to refer to it in event handlers. The ID does not need to be unique.
Initial index of selected item. -1 for no selection.
Coordinate of left side of control. Ignored if 0.
Coordinate of top of control. Ignored if 0.
Width of control. Ignored if 0.
Height of control. Ignored if 0.
This constructor creates a number edit field.