c# - How to determine inherited class in an array of type? -

-

say have these class:

class animal;  class tiger: animal; class bear: animal; class giraffe: animal;

and array:

animal[] p = [new tiger(), new bear(), giraffe()]

how determine that:

(p[0] tiger)

i got message p[0] animal, not tiger

have tryed ?

p[0].gettype() == typeof(tiger)

Popular posts from this blog

Php - Delimiter must not be alphanumeric or backslash -

-
this question has answer here: delimiter must not alphanumeric or backslash , preg_match 5 answers this question has been asked don't know how fix problem in situation. getting following php errror: php message: php warning: preg_match(): delimiter must not alphanumeric or backslash in... on line 227 line 227 following: if (preg_match($match, $_server['http_user_agent'])) and function: $oslist = array ( 'windows 3.11' => 'win16', 'windows 95' => '(windows 95)|(win95)|(windows_95)', 'windows 98' => '(windows 98)|(win98)', 'windows 2000' => '(windows nt 5.0)|(windows 2000)', 'windows xp' => '(windows nt 5.1)|(windows xp)', 'windows server 2003' => '(windows nt 5.2)', 'windows vista' => '(windows nt 6.0)', 'w...
Read more

Delphi interface implements -

-
i expect reference counting should work on outer aggregating object in interface implementation. if can refer example: clarity in classes implementing multiple interfaces (alternative delegation): here minimal reproduction of behaviour: program so16210993; {$apptype console} type ifoo = interface procedure foo; end; tfooimpl = class(tinterfacedobject, ifoo) procedure foo; end; tcontainer = class(tinterfacedobject, ifoo) private ffoo: ifoo; public constructor create; destructor destroy; override; property foo: ifoo read ffoo implements ifoo; end; procedure tfooimpl.foo; begin writeln('tfooimpl.foo called'); end; constructor tcontainer.create; begin inherited; ffoo := tfooimpl.create; end; destructor tcontainer.destroy; begin writeln('tcontainer.destroy called');//this line never runs inherited; end; procedure main; var foo : ifoo; begin foo := tcontainer.create; foo.foo; end; begin main; readln...
Read more

css - Jqgrid: Multiselect in toolbar filter -

-
i want add multiple select toolbar filter, since not supported natively jqrid. best , easiest reuse ui.multiselect plugin comes together, however, im not able succeed that. my idea render comes searchoptions (i did simplified example make more clear): searchoptions:{multiple:true, value:'true:true;false:false', defaultvalue:'false'} and run multiselect rendering on given column: $("#gs_example").multiselect() but instead of expected dropdownbox got ugly picture: http://i38.tinypic.com/2zgvuh3.jpg i cannnot bring mutliselect frame foreground or whatsoever... <div class="ui-multiselect ui-helper-clearfix ui-widget" style="width: 146px;"> <div class="selected"> <div class="actions ui-widget-header ui-helper-clearfix"> <span class="count">1 items selected</span> <a class="remove-all" href="#">remove all</a> </div> <ul class=...
Read more