ClearRegion() action

Description
ClearRegion replaces a rectangular region of the screen with blanks.

It is used internally by the wx3270 uCut action.

Parameters
ClearRegion takes four parameters: row, column, rows and columns
 * row
 * Starting row in 0-origin coordinates.


 * column
 * Starting column in 0-origin coordinates.


 * rows
 * Number of rows.


 * columns
 * Number of columns.

Examples
Clear a 10x10 region with the upper left-hand corner at row 5, column 4 (in 0-origin coordinates). ClearRegion(5,4,10,10)

Version history
Added in b3270 4.0.