{"id":792,"date":"2010-06-30T10:56:23","date_gmt":"2010-06-30T02:56:23","guid":{"rendered":"http:\/\/www.tansoo.cn\/?p=792"},"modified":"2014-09-11T10:57:45","modified_gmt":"2014-09-11T02:57:45","slug":"%e6%95%99%e4%bd%a0%e5%9c%a8%e7%a8%8b%e5%ba%8f%e4%b8%ad%e5%bf%ab%e9%80%9f%e7%9a%84%e7%94%bb%e9%9a%8f%e9%bc%a0%e6%a0%87%e7%a7%bb%e5%8a%a8%e7%9a%84%e5%8d%81%e5%ad%97%e7%ba%bf","status":"publish","type":"post","link":"http:\/\/www.tansoo.cn\/?p=792","title":{"rendered":"\u6559\u4f60\u5728\u7a0b\u5e8f\u4e2d\u5feb\u901f\u7684\u753b\u968f\u9f20\u6807\u79fb\u52a8\u7684\u5341\u5b57\u7ebf"},"content":{"rendered":"<p>\u5728\u9f20\u6807\u79fb\u52a8\u4e8b\u4ef6\u4e2d\u753b\u5f53\u524d\u70b9\u7684\u5341\u5b57\u5750\u6807\u7ebf\u65f6\uff0c\u4e3a\u62b9\u6389\u8001\u7ebf\u5e38\u91c7\u7528\u5237\u65b0\u753b\u9762\u7684\u65b9\u6cd5\uff0c\u8fd9\u6837\u5c31\u4ea7\u751f\u4e86\u975e\u5e38\u4e25\u91cd\u7684\u95ea\u70c1\u73b0\u8c61\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u91c7\u7528\u5728\u753b\u65b0\u7ebf\u524d\u5c06\u8001\u7ebf\u62b9\u53bb\u7684\u65b9\u6cd5\u5c31\u80fd\u5f88\u597d\u7684\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u800c\u4e14\u901f\u5ea6\u975e\u5e38\u5feb\u3002\u73b0\u4e3e\u4f8b\u5982\u4e0b\uff1a<!--more--><\/p>\n<pre class=\"lang:delphi decode:true \" >var  \r\n  OldX, OldY: Longint;\/\/ \u4f7f\u7528\u524d\u521d\u59cb\u5316OldX:=\uff0d1\uff1b   \r\n\r\nprocedure TfrmMain.PaintBoxCMouseMove(Sender: TObject; Shift: TShiftState;   \r\n  X, Y: Integer);   \r\n\r\n  Procedure DrawCross(AX, AY: Integer);   \r\n  begin  \r\n    With PaintBoxC.Canvas do  \r\n    begin  \r\n      Pen.Color := CrossColor;   \r\n      Pen.Style := CrossStyle;   \r\n      Pen.Mode := pmXor;   \r\n      Pen.Width := 1;   \r\n      MoveTo(AX, 0);   \r\n      LineTo(AX, PaintBoxC.Height);   \r\n      MoveTo(0, AY);   \r\n      LineTo(PaintBoxC.Width, AY);   \r\n    end;   \r\n  end;   \r\n\r\nbegin  \r\n  if (OldX &lt;&gt; -1) then  \r\n  begin  \r\n    DrawCross(OldX, OldY); { \u753b\u65e7\u5341\u5b57\u7ebf }  \r\n    OldX := -1;   \r\n  end;   \r\n  { \u68c0\u67e5\u5f53\u524d\u9f20\u6807\u70b9\u662f\u5426\u5728\u6307\u5b9a\u8303\u56f4\u5185 }  \r\n  if PtInRect(Rect(0, 0, PaintBoxC.Width, PaintBoxC.Height), Point(X, Y)) then  \r\n  begin  \r\n    DrawCross(X, Y); { \u5728\u5f53\u524d\u9f20\u6807\u70b9\u753b\u5341\u5b57\u7ebf }  \r\n    { \u4fdd\u5b58\u65e7\u9f20\u6807\u70b9 }  \r\n    OldX := X;   \r\n    OldY := Y;   \r\n  end;   \r\nend;<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u9f20\u6807\u79fb\u52a8\u4e8b\u4ef6\u4e2d\u753b\u5f53\u524d\u70b9\u7684\u5341\u5b57\u5750\u6807\u7ebf\u65f6\uff0c\u4e3a\u62b9\u6389\u8001\u7ebf\u5e38\u91c7\u7528\u5237\u65b0\u753b\u9762\u7684\u65b9\u6cd5\uff0c\u8fd9\u6837\u5c31\u4ea7\u751f\u4e86\u975e\u5e38\u4e25\u91cd\u7684\u95ea\u70c1\u73b0\u8c61\u3002\u56e0\u6b64\uff0c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[39],"class_list":["post-792","post","type-post","status-publish","format-standard","hentry","category-program","tag-39"],"_links":{"self":[{"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts\/792","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=792"}],"version-history":[{"count":0,"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=\/wp\/v2\/posts\/792\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=792"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.tansoo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}