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Name of the functions used to get/set canvas properties?
Get_view_property, Set_view_property


  
Total Answers and Comments: 1 Last Update: March 23, 2006   
  
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March 23, 2006 07:21:14   #1  
Venkat80 Member Since: March 2006   Contribution: 4    
RE: Name of the functions used to get/set canvas prope...

For setting the canvas properties you can use any one of the following

SET_CANVAS_PROPERTY
  (canvas_id  CANVAS,
   property   NUMBER,
   value      VARCHAR2);
SET_CANVAS_PROPERTY
  (canvas_id  CANVAS,
   property   NUMBER,
   x          NUMBER);
SET_CANVAS_PROPERTY
  (canvas_id  CANVAS,
   property   NUMBER,
   x          NUMBER,
   y          NUMBER);
SET_CANVAS_PROPERTY
  (canvas_name  VARCHAR2,
   property     NUMBER,
   value        VARCHAR2);
SET_CANVAS_PROPERTY
  (canvas_name  VARCHAR2,
   property     NUMBER,
   x            NUMBER);
SET_CANVAS_PROPERTY
  (canvas_name  VARCHAR2,
   property     NUMBER,
   x            NUMBER,
   y            NUMBER);

Example

SET_CANVAS_PROPERTY('my_cvs', visual_attribute, 'blue_txt');

For getting the canvas properties you can use the following

FUNCTION GET_CANVAS_PROPERTY
  (canvas_id  Canvas,
   property   NUMBER); 
FUNCTION GET_CANVAS_PROPERTY
  (canvas_name  VARCHAR2,
   property     NUMBER);

Example

DECLARE
  the_width  NUMBER;
  the_height NUMBER;
  cn_id      CANVAS;
BEGIN
  cn_id      := FIND_CANVAS('my_canvas');
  the_width  := GET_CANVAS_PROPERTY(cn_id, WIDTH);
  the_height := GET_CANVAS_PROPERTY(cn_id,HEIGHT);
END;
 
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