Giving date picker calendar option to user for date type fields in Oracle Forms. I am providing you the form (FoxCal.Fmx) and two libraries (General.plx and Calendar.pll). You can download these files by clicking below link:
Download Form and required PLL
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It is very simple to use, no need to attache any library to your form, just copy all three files to your current working directory of your application. Suppose you have a form and there is one or many date date type fields in the form. You have to create key-listval trigger for those date type fields or create a push button adjacent to those fields and paste the below code in when-button-pressed trigger:
pl_id paramList;
begin
:GLOBAL.G_LOV_DATE := TRUNC(SYSDATE);
pl_id := Get_Parameter_List('foxcal');
IF NOT Id_Null(pl_id) THEN
destroy_parameter_list(pl_id);
end if;
pl_id := create_parameter_list('foxcal');
add_parameter(pl_id, 'XPOS', text_parameter, to_char(50));
add_parameter(pl_id, 'YPOS', text_parameter, to_char(100));
add_parameter(pl_id, 'CURRDATE', text_parameter, to_char(Sysdate));
add_parameter(pl_id, 'Label', text_parameter, 'Date Picker');
CALL_FORM('foxcal', no_hide, do_replace, query_only, no_share_library_data, pl_id);
:yourdateitem := :Global.G_LOV_Date;
erase('Global.G_LOV_DATE');
END;
Note: Your current working directory for form designer and runtime should be the directory where you copied the above mentioned three files.