Member variable XbpStatic():drawMode Foundation
Specifies the drawing mode of the static object.
The :drawMode instance variable specifies the mode used to display the XbpStatic object on the screen. In the default draw mode (XBP_DRAW_NORMAL), the operating system takes full control over the drawing process. In this mode, a static object is displayed using default imagery and the object's appearance cannot be controlled by the application. However, this default behavior can be overridden. If the value XBP_DRAW_OWNER or XBP_DRAW_OWNERADVANCED is assigned to the :drawMode instance variable, no drawing is performed by the operating system. Instead, the Xbase++ runtime system uses xbeP_Draw events to notify the application about the display state of the object. The application is responsible for processing these events and for creating the on-screen visualization of the XbpStatic. For this, the Graphics Engine commands can be used.
This protocol is called owner-drawing because displaying the object is the responsibility of the object's owner. Using owner-drawing, an application can customize the visualization and the behavior of an XbpStatic object.
|XBP_DRAW_NORMAL *)||XbpStatic object is drawn by the system|
|XBP_DRAW_OWNER||Background and foreground information is drawn by the application|
|XBP_DRAW_OWNERADVANCED||Background or foreground information may be drawn by the application|
The drawing mode must be assigned to :drawMode before the method :create() is executed.
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