All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`VisualComponent`	`addDrawingSurface(Object id, InternalFrameInterface displayer)`
`void`	`addDsEventListener(DsEventListener listener)`
`void`	`closeDrawingSurface(Object id)`
`DrawingSurfaceInterface`	`getDrawingSurfaceById(Object id)`
`DrawingSurfaceInterface[]`	`getDrawingSurfaces()`
`DrawingSurfaceInterface`	`getFocusedDrawingSurface()`
`void`	`removeDrawingSurface(Object id)`
`void`	`removeDsEventListener(DsEventListener listener)`
`void`	`setFocusedDrawingSurface(Object id)`

VisualComponent addDrawingSurface(Object id,
                                  InternalFrameInterface displayer)

void removeDrawingSurface(Object id)

DrawingSurfaceInterface getDrawingSurfaceById(Object id)

DrawingSurfaceInterface getFocusedDrawingSurface()

void setFocusedDrawingSurface(Object id)

DrawingSurfaceInterface[] getDrawingSurfaces()

void closeDrawingSurface(Object id)

void addDsEventListener(DsEventListener listener)

void removeDsEventListener(DsEventListener listener)

Interface DsManagerInterface