{"id":280,"date":"2008-05-11T19:19:04","date_gmt":"2008-05-11T19:19:04","guid":{"rendered":"http:\/\/6teen.ru\/?p=20"},"modified":"2008-05-11T19:19:04","modified_gmt":"2008-05-11T19:19:04","slug":"990","status":"publish","type":"post","link":"http:\/\/pblog.ru\/lab\/?p=280","title":{"rendered":"DBGRID \u0438 \u043a\u043e\u043b\u0435\u0441\u043e \u043c\u044b\u0448\u0438"},"content":{"rendered":"<p>DBGRID \u0438 \u043a\u043e\u043b\u0435\u0441\u043e \u043c\u044b\u0448\u0438<br \/>\n<!--more--><\/p>\n<pre class=\"alt2\" style=\"margin:0px; padding:6px; border:1px inset; width:580px; height:320px; overflow:auto\"><div>DBGRID \u0438 \u043a\u043e\u043b\u0435\u0441\u043e \u043c\u044b\u0448\u0438\n\n\u041f\u0440\u0438 \u0432\u0440\u0430\u0449\u0435\u043d\u0438\u0438 \u043a\u043e\u043b\u0435\u0441\u0438\u043a\u0430 \u043c\u044b\u0448\u0438 \"\u0432 dbgrid\" \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u043f\u0435\u0440\u0435\u043c\u0435\u0449\u0435\u043d\u0438\u0435 \u043f\u043e\u043b\u043e\u0441\u043a\u0438 \u0432\u044b\u0431\u043e\u0440\u0430 \u043f\u043e \u0441\u0442\u0440\u043e\u043a\u0430\u043c \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0431\u0435\u0437 \u043f\u0435\u0440\u0435\u043c\u0435\u0449\u0435\u043d\u0438\u044f \u043f\u043e \u0437\u0430\u043f\u0438\u0441\u044f\u043c, \u0442.\u0435. \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u0430 \u043e\u0442 \u0437\u0430\u043f\u0438\u0441\u0438 \u043a \u0437\u0430\u043f\u0438\u0441\u0438 \u043d\u0435\u0442. \u041c\u0430\u043b\u043e \u0442\u043e\u0433\u043e, \u0435\u0441\u043b\u0438 \u043f\u043e\u043a\u0440\u0443\u0442\u0438\u0442\u044c \u043a\u043e\u043b\u0451\u0441\u0438\u043a\u043e, \u0430 \u043f\u043e\u0442\u043e\u043c \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0438\u0442\u044c \u043c\u0430\u0443\u0441\u043a\u043b\u0438\u043a \u0432\u044b\u0431\u0438\u0440\u0430\u0435\u0442\u0441\u044f \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u043f\u0440\u0435\u0434\u0435\u043b\u0430\u0445 \u0432\u0438\u0434\u0438\u043c\u043e\u0439 \u0447\u0430\u0441\u0442\u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u044b, \u0432 \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0435\u0439 \u0441\u0442\u0440\u043e\u043a\u0435 \u0442\u0430\u043a\u0436\u0435 \u043e\u0441\u0442\u0430\u0435\u0442\u0441\u044f \u0437\u043d\u0430\u0447\u043e\u043a \u0442\u0435\u043a\u0443\u0449\u0435\u0439 \u0437\u0430\u043f\u0438\u0441\u0438 \u0432 \u0432\u0438\u0434\u0435 \u0442\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0430, \u043d\u043e \u0438 \u043d\u043e\u0432\u044b\u0439 \u0442\u0430\u043a\u0436\u0435 \u043f\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f, \u0432 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435 \u043c\u043e\u0436\u043d\u043e \u0437\u0430\u0433\u0430\u0434\u0438\u0442\u044c \u0442\u0430\u043a\u0438\u043c \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u043c \u043c\u0443\u0441\u043e\u0440\u043e\u043c \u0432\u0441\u044e \u0442\u0430\u0431\u043b\u0438\u0446\u0443. \u041f\u0440\u043e\u043a\u0440\u0443\u0442\u043a\u0430 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u0432\u0438\u0434\u0438\u043c\u043e\u0439 \u0447\u0430\u0441\u0442\u0438 dbgrid. \u0422\u0430\u043a\u0430\u044f \u0444\u0438\u0433\u043d\u044f \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0441\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u044b\u043c \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u043e\u043c \u043c\u044b\u0448\u0438 microsoft, \u043c\u044b\u0448\u0438 \u043e\u0442 logitech, \u0440\u0430\u0437\u043d\u044b\u0445 \u043c\u043e\u0434\u0435\u043b\u0435\u0439. \u0415\u0441\u043b\u0438 \u043f\u043e\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u0440\u043e\u0434\u043d\u044b\u0435 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430, \u043f\u0440\u0438 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430\u0445 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e, \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440 \u0441\u043a\u0440\u043e\u043b\u0438\u043d\u0433\u0430 \u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f, \u043f\u043e\u043b\u043e\u0441\u043a\u0430 \u0432\u044b\u0431\u043e\u0440\u0430 \u0441\u0440\u0430\u0437\u0443 \u0441\u043a\u0430\u0447\u0435\u0442 \u0432\u043d\u0438\u0437(\u0438\u043b\u0438 \u0432\u0432\u0435\u0440\u0445, \u0441\u043c\u043e\u0442\u0440\u044f \u043a\u0443\u0434\u0430 \u043a\u0440\u0443\u0442\u0438\u0442\u044c) \u0432\u0438\u0434\u0438\u043c\u043e\u0439 \u0447\u0430\u0441\u0442\u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0438 \u0434\u0430\u043b\u0435\u0435 \u0441\u043c\u0435\u0449\u0430\u0435\u0442\u0441\u044f \u043f\u043e \u043e\u0434\u043d\u043e\u0439 \u0437\u0430\u043f\u0438\u0441\u0438. \u0415\u0441\u043b\u0438 \u0436\u0435 \u0432 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430\u0445 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u044c \"\u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u0441\u043e \u0441\u043a\u0440\u043e\u043b\u0438\u043d\u0433\u043e\u043c \u041c\u0421 \u043e\u0444\u0444\u0438\u0441\u0430\" \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u043e\u043f\u0438\u0441\u0430\u043d\u0430\u044f \u0432\u044b\u0448\u0435 \u0444\u0438\u0433\u043d\u044f.\n\u041e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u043e\u0431\u044b\u0442\u0438\u044f mousewheel \u043d\u0438 \u0443 dbgrid \u043d\u0438 \u0443 table \u044f \u043d\u0435 \u043d\u0430\u0448\u0435\u043b...\np.s. \u0418\u0437\u0432\u0438\u043d\u044f\u044e\u0441\u044c \u0437\u0430 \u0441\u0443\u043c\u0431\u0443\u0440\u043d\u043e\u0441\u0442\u044c \u0438\u0437\u043b\u043e\u0436\u0435\u043d\u0438\u044f.\n--------------------------------------------------------------------------------\nsniknik (c) (10.04.03 13:26)\n\u043c\u043e\u0436\u0435\u0442 \u044d\u0442\u043e \u0440\u0435\u0448\u0438\u0442 \u0447\u0430\u0441\u0442\u044c \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b\n\u043e\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u043c:\n\ntype\n\ntwmmousewheel = packed record\nmsg: cardinal;\nkeys: smallint;\nwheeldelta: smallint;\ncase integer of\n0: (\nxpos: smallint;\nypos: smallint);\n1: (\npos: tsmallpoint;\nresult: longint);\nend;\n\ntmydbgrid = class(tdbgrid)\nprocedure wmmousewheel(var message: twmmousewheel); message wm_mousewheel;\nprivate\n.........\n\nprocedure tmydbgrid.wmmousewheel(var message: twmmousewheel);\nbegin\nif datasource.dataset.active then begin\nif message.wheeldelta > 10 then datasource.dataset.prior;\nif message.wheeldelta < -10 then datasource.dataset.next;\nend;\nend;\n\n\u0432\u044b\u0437\u044b\u0432\u0430\u0435\u043c \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e \u0442\u0430\u043a:\n\nprocedure tmainform.formcreate(sender: tobject);\nbegin\ndbgrid:= tmydbgrid.create(tabsheet1);\ndbgrid.parent:= tabsheet1;\ndbgrid.align:= alclient;\ndbgrid.borderstyle:= bsnone;\ndbgrid.datasource:= datasource1;\ndbgrid.ondblclick:= dbgriddblclick;\ndbgrid.onkeypress:= dbgridkeypress;\ndbgrid.ontitleclick:= dbgridtitleclick;\ndbgrid.popupmenu:= popupmenu3;\nend;\n\n***************************************************************\n\nO \u043f\u0440\u043e\u043a\u0440\u0443\u0442\u043a\u0435 \u043a\u043e\u043b\u0435\u0441\u043e\u043c \u043c\u044b\u0448\u0438. B\u043e\u0442 \u0440\u0435\u0448\u0435\u043d\u0438\u0435: (\u044d\u0442\u043e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u0441\u043e\u0431\u044b\u0442\u0438\u044f OnMessage \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 TAppicationEvents)\n\u041a\u043e\u0434:\n\n\/\/ \u0435\u0441\u043b\u0438 \u0432 \u0444\u043e\u043a\u0443\u0441\u0435 \u043f\u043e\u0434\u043e\u043f\u044b\u0442\u043d\u044b\u0439 \u0433\u0440\u0438\u0434...\nif Grid.Focused then\n  \/\/ ... \u0438 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043e \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0435 \u043e \u043f\u0440\u043e\u043a\u0440\u0443\u0442\u043a\u0435 \u043a\u043e\u043b\u0435\u0441\u0430\n  if Msg.message = WM_MOUSEWHEEL then\n    begin\n      \/\/ \u043f\u043e\u0434\u043c\u0435\u043d\u044f\u0435\u043c \u044d\u0442\u043e \u0441\u043e\u0431\u044b\u0442\u0438\u0435 \u043d\u0430 \u043d\u0430\u0436\u0430\u0442\u0438\u0435 \u043a\u043d\u043e\u043f\u043a\u0438\n      Msg.message := WM_KEYDOWN;\n\n      \/\/ \u0434\u0430\u043b\u044c\u0448\u0435, \u044f \u0434\u0443\u043c\u0430\u044e, \u0432\u0441\u0435 \u043f\u043e\u043d\u044f\u0442\u043d\u043e\n      Msg.lParam := 0;\n      if Msg.wParam > 0 then\n        Msg.wParam := VK_UP\n      else\n        Msg.wParam := VK_DOWN;\n      Handled := False;\n    end;\n<\/div><\/pre>\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>DBGRID \u0438 \u043a\u043e\u043b\u0435\u0441\u043e \u043c\u044b\u0448\u0438<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[401,386],"tags":[1906,803,846],"_links":{"self":[{"href":"http:\/\/pblog.ru\/lab\/index.php?rest_route=\/wp\/v2\/posts\/280"}],"collection":[{"href":"http:\/\/pblog.ru\/lab\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/pblog.ru\/lab\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/pblog.ru\/lab\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/pblog.ru\/lab\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=280"}],"version-history":[{"count":0,"href":"http:\/\/pblog.ru\/lab\/index.php?rest_route=\/wp\/v2\/posts\/280\/revisions"}],"wp:attachment":[{"href":"http:\/\/pblog.ru\/lab\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/pblog.ru\/lab\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=280"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/pblog.ru\/lab\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}