This method is abstract and has to be overwritten by any derived class.
Here, the sizer will do the actual calculation of its children's minimal sizes.
*/
- virtual wxSize CalcMin();
+ virtual wxSize CalcMin() = 0;
/**
Detaches all children from the sizer.
Here, the sizer will do the actual calculation of its children's
positions and sizes.
*/
- virtual void RecalcSizes();
+ virtual void RecalcSizes() = 0;
/**
Removes a child window from the sizer, but does @b not destroy it