| [Overview][Constants][Types][Procedures and functions][Variables][Index] | 
Pop region of interest from the stack.
Source position: gpm.pp line 195
function gpm_poproi(  | 
which: Pgpm_roi  | 
):Pgpm_roi;  | 
Gpm_PopRoi pops the topmost region of interest from the stack. It returns the next element on the stack, or Nil if the current element was the last one.
None.
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Raise region of interest in the stack.  | 
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Lower a region of interest in the stack.  | 
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Push region of interest on the stack.  |