View.CustomDrawBackground Event

Occurs at the beginning of each update cycle, right after the drawable is cleared.

Syntax

public event System.EventHandler CustomDrawBackground

Remarks

This event is fired when the view is starting a new update cycle. The drawable has been cleared, and the 2D or 3D transforms have been set up. This event gives the application a chance to do its own drawing, before the rest of the view is drawn. It is mostly useful in 3D, for instance to draw a custom skybox or similar.

Custom drawing can sometimes be done directly to the underlying graphics system used by the drawable; for instance it is possible to use the native OpenGL drawing APIs if the drawable is of the correct type. If possible, however, it is recommended to use the drawing methods of the drawable itself, which will work for all types of drawables. See Custom Native Rendering for more information.

The CustomDrawBackground event is not supported in GlobeView.

You should not perform any other work in this event other than rendering to the view that fired the event. If you need to for example modify the view or camera parameters, or maybe modify and update another View, use the Updating event instead.

Platforms

Windows, Linux, Android

View::customDrawBackground Event

Occurs at the beginning of each update cycle, right after the drawable is cleared.

Syntax

C++

public:
 void addCustomDrawBackgroundHandler(
    ViewEventHandler handler,
    void* data
)
 void removeCustomDrawBackgroundHandler(
    ViewEventHandler handler
)

Remarks

The CustomDrawBackground event is not supported in GlobeView.

Platforms

Windows, Linux, Android

View.customDrawBackground Event

Occurs at the beginning of each update cycle, right after the drawable is cleared.

Syntax

Java

public final void addCustomDrawBackgroundListener(
    CustomDrawBackgroundListener listener
)
public final void removeCustomDrawBackgroundListener(
    CustomDrawBackgroundListener listener
)

Remarks

The CustomDrawBackground event is not supported in GlobeView.

Platforms

Windows, Linux, Android

View.customDrawBackground Event

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View.CustomDrawBackground Event

In this article

Syntax

Remarks

Platforms

See Also

Reference

View::customDrawBackground Event

In this article

Syntax

Remarks

Platforms

See Also

Reference

View.customDrawBackground Event

In this article

Syntax

Remarks

Platforms

See Also

Reference

View.customDrawBackground Event