calendar in form 11g

Implementation of calendar in 11g form is the same as it is in forms 6i, 10 g ...
Here is a good link (it is for 10g):
https://sites.google.com/site/craigsoraclestuff/oracle-forms---how-to-s/forms-how-to-use-a-calendar-in-a-form

i did that but the calendar does not pop up when i click the button,nothin happen

Is there any error there ?

no it does not show any error code

It is very strange. If you have done all as it is described in a link then you have to debug your form. I would begin in a when-button-pressed trigger of BTN_FORMS_DATE.

i did that puting message('test');
it does not show

Please, put here the code where is message('test');

this the trigger code
message('8testt');

DECLARE
	cur_x_pos	INTEGER := 0;
	cur_y_pos	INTEGER := 0;
	new_x_pos	INTEGER := 0;
	new_y_pos INTEGER := 0;
	item_height	INTEGER := 0;
	my_date		VARCHAR2(25);
	
BEGIN
	message('testtt');
	cur_x_pos := Get_Item_Property('CONTROL.FORMS_DATE',x_pos);
	cur_y_pos := Get_Item_Property('CONTROL.FORMS_DATE',y_pos);
	item_height := Get_Item_Property('CONTROL.FORMS_DATE',height);
	message('testt09999t');
	new_x_pos := cur_x_pos;
	new_y_pos := cur_y_pos + item_height + 2;
	
	Date_Lov.get_Date(display_date => sysdate
									,return_item => 'CONTROL.FORMS_DATE'
									,v_x_pos => new_x_pos
									,v_y_pos => new_y_pos
									,v_title => 'FORMS DATE PICKER'
									,v_ok => 'OK'
									,v_cancel => 'Cancel'
									,V_highlight => FALSE
									,v_autoconfirm => FALSE
									,v_autoskip => FALSE
	);
END;

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it does not show this msg when i press the button

its still not working the form was in 6i upgraded to 11g and was running in linux i recompile it in window

If operation systems are different then form must be compiled on system where it runs. Also libraries (pll).

I did  compile in window  other function of the from are working only the button function is not working

I change that to my block item still the same

CALENDAR object was copied or subclassed ?
◾If you subclass – the CALENDAR.olb must be located in a directory listed in your FORMS_PATH

Subclasses  I did that is in form path

If I understand you have put
 message('testtt');
 pause;
in the beginning of When-button-pressed trigger of button, message is displayed but function Date_Lov.get_Date does nothing.

I would put
      message('after calling function');
        pause;
at the end of code(after function Date_Lov.get_Date ). If this message is displayed and calendar not, then I think there are 2 options:
1. debug - also function Date_Lov.get_Date
2. try it with copy instead of subclass

I really don't know what can be a problem.

Have you changed also this to your block item ?
      cur_x_pos := Get_Item_Property('CONTROL.FORMS_DATE',x_pos);
      cur_y_pos := Get_Item_Property('CONTROL.FORMS_DATE',y_pos);
      item_height := Get_Item_Property('CONTROL.FORMS_DATE',height);

am still checking what could be the problem

Still not working

What is problem now ?

message('testtt');
pause;
cur_x_pos := Get_Item_Property('CONTROL.FORMS_DATE',x_pos);