*/
bool operator ==(const wxPosition& pos) const;
bool operator !=(const wxPosition& pos) const;
- wxPosition& operator +=(const wxPosition& pos) const;
- wxPosition& operator -=(const wxPosition& pos) const;
- wxPosition& operator +=(const wxSize& size) const;
- wxPosition& operator -=(const wxSize& size) const;
+ wxPosition& operator +=(const wxPosition& pos);
+ wxPosition& operator -=(const wxPosition& pos);
+ wxPosition& operator +=(const wxSize& size);
+ wxPosition& operator -=(const wxSize& size);
wxPosition operator +(const wxPosition& pos) const;
wxPosition operator -(const wxPosition& pos) const;
wxPosition operator +(const wxSize& size) const;