Closes all opened columns in the browser.
<oBrowser>:Clear(<lRedraw>) Æ lSuccess
|<lRedraw>||A logical value that indicates whether the browser is to be redrawn.|
|lSuccess||A logical value that indicates whether all opened columns was closed or not.|
|TRUE||All columns was closed or not.|
|FALSE||All columns could not be closed.|
bBrowser:Clear() closes all opened columns in the browser. This has the consequence that no columns are visible. The columns remain however in the list of the supported columns contained (see also bBrowser:ColumnList).