clear_drawing_objectT_clear_drawing_objectClearDrawingObjectClearDrawingObject (Operator)
Name
clear_drawing_objectT_clear_drawing_objectClearDrawingObjectClearDrawingObject — Löschen eines Zeichenobjekts.
Signatur
clear_drawing_object( : : DrawID : )
Herror T_clear_drawing_object(const Htuple DrawID)
Beschreibung
clear_drawing_objectclear_drawing_objectClearDrawingObjectClearDrawingObjectClearDrawingObject löscht das Zeichenobjekt DrawIDDrawIDDrawIDDrawIDdrawID.
Das Zeichenobjekt wird automatisch von allen Fenster entfernt,
an die es zuvor angehängt wurde. Nach dem Aufruf von clear_drawing_objectclear_drawing_objectClearDrawingObjectClearDrawingObjectClearDrawingObject
kann das Zeichenobjekt nicht weiter verwendet werden.
Ausführungsinformationen
- Multithreading-Typ: reentrant (läuft parallel zu nicht-exklusiven Operatoren).
- Multithreading-Bereich: global (kann von jedem Thread aufgerufen werden).
- Wird ohne Parallelisierung verarbeitet.
Dieser Operator modifiziert den Zustand des folgenden Eingabeparameters:
Während der Ausführung dieses Operators muss der Zugriff auf den Wert dieses Parameters synchronisiert werden, wenn er über mehrere Threads hinweg verwendet wird.
Parameter
DrawIDDrawIDDrawIDDrawIDdrawID (input_control, Zustand wird modifiziert) drawing_object → HDrawingObject, HTupleHTupleHtuple (handle) (IntPtr) (HHandle) (handle)
Handle des Zeichenobjekts.
Ergebnis
clear_drawing_objectclear_drawing_objectClearDrawingObjectClearDrawingObjectClearDrawingObject gibt 2 (H_MSG_TRUE) zurück, falls die DrawIDDrawIDDrawIDDrawIDdrawID
gültig ist. Gegebenfalls wird eine Fehlerbehandlung durchgeführt.
Vorgänger
create_drawing_object_rectangle1create_drawing_object_rectangle1CreateDrawingObjectRectangle1CreateDrawingObjectRectangle1CreateDrawingObjectRectangle1,
create_drawing_object_rectangle2create_drawing_object_rectangle2CreateDrawingObjectRectangle2CreateDrawingObjectRectangle2CreateDrawingObjectRectangle2,
create_drawing_object_ellipsecreate_drawing_object_ellipseCreateDrawingObjectEllipseCreateDrawingObjectEllipseCreateDrawingObjectEllipse,
create_drawing_object_circle_sectorcreate_drawing_object_circle_sectorCreateDrawingObjectCircleSectorCreateDrawingObjectCircleSectorCreateDrawingObjectCircleSector,
create_drawing_object_ellipse_sectorcreate_drawing_object_ellipse_sectorCreateDrawingObjectEllipseSectorCreateDrawingObjectEllipseSectorCreateDrawingObjectEllipseSector,
create_drawing_object_xldcreate_drawing_object_xldCreateDrawingObjectXldCreateDrawingObjectXldCreateDrawingObjectXld,
create_drawing_object_linecreate_drawing_object_lineCreateDrawingObjectLineCreateDrawingObjectLineCreateDrawingObjectLine,
create_drawing_object_circlecreate_drawing_object_circleCreateDrawingObjectCircleCreateDrawingObjectCircleCreateDrawingObjectCircle,
create_drawing_object_textcreate_drawing_object_textCreateDrawingObjectTextCreateDrawingObjectTextCreateDrawingObjectText,
detach_drawing_object_from_windowdetach_drawing_object_from_windowDetachDrawingObjectFromWindowDetachDrawingObjectFromWindowDetachDrawingObjectFromWindow,
attach_drawing_object_to_windowattach_drawing_object_to_windowAttachDrawingObjectToWindowAttachDrawingObjectToWindowAttachDrawingObjectToWindow
Nachfolger
clear_windowclear_windowClearWindowClearWindowClearWindow,
close_windowclose_windowCloseWindowCloseWindowCloseWindow
Siehe auch
create_drawing_object_rectangle1create_drawing_object_rectangle1CreateDrawingObjectRectangle1CreateDrawingObjectRectangle1CreateDrawingObjectRectangle1,
create_drawing_object_rectangle2create_drawing_object_rectangle2CreateDrawingObjectRectangle2CreateDrawingObjectRectangle2CreateDrawingObjectRectangle2,
create_drawing_object_ellipsecreate_drawing_object_ellipseCreateDrawingObjectEllipseCreateDrawingObjectEllipseCreateDrawingObjectEllipse,
create_drawing_object_circle_sectorcreate_drawing_object_circle_sectorCreateDrawingObjectCircleSectorCreateDrawingObjectCircleSectorCreateDrawingObjectCircleSector,
create_drawing_object_ellipse_sectorcreate_drawing_object_ellipse_sectorCreateDrawingObjectEllipseSectorCreateDrawingObjectEllipseSectorCreateDrawingObjectEllipseSector,
create_drawing_object_xldcreate_drawing_object_xldCreateDrawingObjectXldCreateDrawingObjectXldCreateDrawingObjectXld,
create_drawing_object_linecreate_drawing_object_lineCreateDrawingObjectLineCreateDrawingObjectLineCreateDrawingObjectLine,
create_drawing_object_circlecreate_drawing_object_circleCreateDrawingObjectCircleCreateDrawingObjectCircleCreateDrawingObjectCircle,
create_drawing_object_textcreate_drawing_object_textCreateDrawingObjectTextCreateDrawingObjectTextCreateDrawingObjectText
Modul
Foundation