RasterMouse.showDropBorder( x, y, width, height [, cssCursor] )

Displays a floating semi-transparent border at the given x,y coordinates, width and height.

This function can be used from within a user-defined dropHandler() function to highlight the drop target as the mouse cursor moves. The border box is automatically hidden when a drop operation is completed, cancelled or the mouse leaves a valid drop area.


Name Type   Description
x number X position in pixels. Set this argument to null to hide the shade box. When set to null all other arguments (if any) are ignored.
y number Y position in pixels
width number width of the box
height number height of the box
cssCursor string optional a valid css cursor name. If this value is not specified, the current cursor is used.
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