| Name | Type | Default | Description |
|---|---|---|---|
viewer |
Viewer | 查看器实例。 | |
options.lowFrameRateMessage |
String |
'This application appears to be performing poorly on your system. Please try using a different web browser or updating your video drivers.'
|
optional HTML 形式显示，因此请确保其来源可信，这样您的应用程序就不会受到跨站脚本攻击。 |
Throws:
-
DeveloperError : 需要查看器。
Example:
var viewer = new SuperMap3D.Viewer('Container');
viewer.extend(SuperMap3D.viewerPerformanceWatchdogMixin, {
lowFrameRateMessage : 'Why is this going so <em>slowly</em>?'
});