如何获得系统最下面“选项”和“退出”按钮的高度与长度

怎么获得系统最下面“选项”和“退出”按钮的高度与长度？
怎么获得系统最下面“选项”和“退出”按钮的高度与长度？

------解决方案--------------------------------------------------------
AknLayoutUtils::LayoutMetricsRect (TAknLayoutMetrics aParam, TRect &aRect);
AknLayoutUtils::LayoutMetricsSize (TAknLayoutMetrics aParam, TSize &aSize);


enum TAknLayoutMetrics

{

EScreen,

EApplicationWindow,

EStatusPane,

EStatusPaneSecondary, // Deprecated, do not use

EMainPane,

EControlPane,

EControlPaneSecondary, // Deprecated, do not use

ESignalPane,

EContextPane,

ETitlePane,

EBatteryPane,

EUniversalIndicatorPane,

ENaviPane,

EFindPane,

EWallpaperPane,

EIndicatorPane,

EAColunm,

EBColunm,

ECColunm,

EDColunm,

EStaconTop, // landscape

EStaconBottom, // landscape

EStatusPaneBottom = EStatusPaneSecondary, // landscape

EControlPaneBottom = EControlPaneSecondary, // landscape

EControlPaneTop = EControlPane, // landscape

EStatusPaneTop = EStatusPane // landscape

};