An erase event is sent when a window's background needs to be repainted.
Derived from
Include files
<wx/event.h>
Event table macros
To process an erase event, use this event handler macro to direct input to a member function that takes a wxEraseEvent argument.
EVT_ERASE_BACKGROUND(func) | Process a wxEVT_ERASE_BACKGROUND event. |
If the m_DC member is non-NULL, draw into this device context.
See also
wxWindow::OnEraseBackground, Event handling overview
Members
wxEraseEvent::wxEraseEvent
wxEraseEvent::m_dc
wxEraseEvent::GetDC
wxEraseEvent(int id = 0, wxDC* dc = NULL)
Constructor.
wxDC* m_dc
The device context associated with the erase event (may be NULL).
wxDC* GetDC() const
Returns the device context to draw into. If this is non-NULL, you should draw into it to perform the erase operation.