{"id":3015,"date":"2020-02-10T16:28:24","date_gmt":"2020-02-10T07:28:24","guid":{"rendered":"http:\/\/kats-eye.net\/info\/?p=3015"},"modified":"2020-02-11T11:33:01","modified_gmt":"2020-02-11T02:33:01","slug":"c-list%e2%80%90image-01","status":"publish","type":"post","link":"https:\/\/kats-eye.net\/info\/2020\/02\/10\/c-list%e2%80%90image-01\/","title":{"rendered":"C# ListView\u306b\u753b\u50cf\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3059\u308b"},"content":{"rendered":"\n\n\n
<\/td>\n<\/td>\nC# listView\u753b\u50cf\u8868\u793a<\/span><\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u3000C#\u30d5\u30a9\u30fc\u30e0\u30a2\u30d7\u30ea\u2015\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u753b\u50cf\u30c7\u30fc\u30bf\u3092\u6271\u3046\u969b\u306b\u51fa\u6765\u308b\u3060\u3051\u8996\u899a\u7684\u306b\u8868\u793a\u3057\u305f\u3044\u3068\u601d\u3044\u8abf\u67fb\u3057\u307e\u3057\u305f\u3002
\n<\/span>\u300c.NET TIPS\uff1aListView\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u30b5\u30e0\u30cd\u30a4\u30eb\u753b\u50cf\u3092\u4e00\u89a7\u8868\u793a\u3059\u308b\u306b\u306f\uff1f\u300d<\/span>\uff08https:\/\/www.atmarkit.co.jp\/ait\/articles\/0508\/12\/news091.html\uff09<\/span><\/span>\u3068\u3044\u3046\u30b5\u30a4\u30c8\u306b\u6307\u5b9a\u30d5\u30a9\u30eb\u30c0\u306e\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092listView\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306b\u8868\u793a\u3059\u308b\u65b9\u6cd5\u304c\u66f8\u304b\u308c\u3066\u3044\u307e\u3057\u305f\u306e\u3067\u3001\u305d\u306e\u307e\u307e\u5229\u7528\u3055\u305b\u3066\u9802\u304f\u3068\u3001\u898b\u4e8b\u306b\u5143\u753b\u50cf\u3092\u30b5\u30e0\u30cd\u30a4\u30eb\u753b\u50cf\u306b\u5909\u63db\u3057\u3001listView\u8868\u793a\u3057\u3066\u304f\u308c\u307e\u3057\u305f\u3002
\n<\/span>\u3000\u305f\u3060\u3001\u753b\u50cf\u8868\u793a\u9806\u3092\u5909\u66f4\u3057\u305f\u3044\u306a\u3069\u3001\u500b\u4eba\u8981\u671b\u3092\u53cd\u6620\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u8ffd\u52a0\u8abf\u67fb\u304c\u5fc5\u8981\u3068\u306a\u308a\u3001\u78ba\u8a8d\u3057\u305f\u5185\u5bb9\u3092\u307e\u3068\u3081\u3066\u304a\u304d\u307e\u3059\u3002<\/span><\/p>\n\n\n\n
<\/td>\n<\/td>\nlistView\u3068imageList\u306e\u95a2\u4fc2<\/span><\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u3000\u4eca\u56de\u3001listView\u306b\u30b5\u30e0\u30cd\u30a4\u30eb\u753b\u50cf\u3092\u8868\u793a\u3059\u308b\u70ba\u306b\u3001listView\u306e\u4ed6\u306bimageList\u3092\u7528\u610f\u3057\u3066\u3044\u307e\u3059\u3002\u4eca\u56de\u306e\u5834\u5408\u3001listView.LargeImageList\u30d7\u30ed\u30d1\u30c6\u30a3\u306bimageList\u3092\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u3068\u3057\u3066\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u500b\u3005\u306e\u30ea\u30b9\u30c8\u9805\u76ee\u306e\u8868\u793a\u753b\u50cf\u6307\u5b9a\u304c\u3055\u308c\u3066\u3044\u308b\u306e\u304b\u5224\u3089\u305a\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002
\n<\/span>\u3000\u500b\u4eba\u7406\u89e3\u3067\u3059\u304c\u3001\u4e0b\u56f3\u306e\u901a\u308a\u3001listView\u3068imageList\u306b\u306f\u30a4\u30e1\u30fc\u30b8\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u3068\u30a4\u30e1\u30fc\u30b8\u30ad\u30fc\uff08\u6587\u5b57\u5217\uff09\u304c\u3042\u308a\u3001\u3044\u305a\u308c\u304b\u3092\u30ea\u30b9\u30c8\u9805\u76ee\u3068\u753b\u50cf\u306e\u7d10\u4ed8\u3051\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/span>imageList\u306b\u753b\u50cf\u767b\u9332\u6642\u306f\u3001\u30a4\u30e1\u30fc\u30b8\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u306f\u3001\u9806\u756a\u306b<\/span>\u81ea\u52d5\u4ed8\u4e0e\u3055\u308c\u308b\u69d8\u3067\u3059\u3002<\/span>
\n\"\"<\/span><\/p>\n

\u3000\u5c1a\u3001\u4e0a\u306e\u56f3\u306e\u6ce8\u8a18\u306b\u201c\u2460listView\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff08\u8868\u793a\u9806\uff09\u201d\u3068\u66f8\u304d\u307e\u3057\u305f\u304c\u3001\u30c7\u30fc\u30bf\u9805\u76ee\u3092\u633f\u5165\uff08insert\uff09\u3057\u305f\u5834\u5408\u306b\u8868\u793a\u3055\u308c\u308b\u753b\u50cf\u306f\u6700\u5f8c\u306b\u8ffd\u52a0\u3055\u308c\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u3068\u4e00\u81f4\u3057\u307e\u305b\u3093\u3067\u3057\u305f\u306e\u3067\u3001\u8a02\u6b63\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/span><\/p>\n

\u3000\u30a4\u30e1\u30fc\u30b8\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u3068\u30a4\u30e1\u30fc\u30b8\u30ad\u30fc\uff08\u6587\u5b57\u5217\uff09\u306b\u3088\u308b\u7d10\u4ed8\u3051\u65b9\u6cd5\u3092\u30c6\u30b9\u30c8\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002\u4e0b\u56f3[\uff11]\uff5e[10]\u306e\u756a\u53f7\u8868\u793a\u90e8\u5206\u304c\u7d50\u679c\u3067\u3059\u3002\u7d10\u4ed8\u3051\u65b9\u6cd5\u306f\u9055\u3044\u307e\u3059\u304c\u3001\u540c\u3058\u7d50\u679c\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002
\n\"\"\uff08\u4e0a\u6bb5\uff1a\u30a4\u30e1\u30fc\u30b8\u30ad\u30fc\u306b\u3088\u308b\u7d10\u4ed8\uff0c\u4e0b\u6bb5\uff1a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u306b\u3088\u308b\u7d10\u4ed8\uff09<\/span><\/span><\/p>\n

\u3000\u753b\u50cf\u8868\u793a\u5f8c\u3001\u95a2\u9023\u3059\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u3001\u3069\u306e\u69d8\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3001\u30ea\u30b9\u30c8\u30dc\u30c3\u30af\u30b9\u306b\u51fa\u529b\u3057\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002
\n\u4e0a\u6bb5\uff08listView1\uff09\u306f\u30a4\u30e1\u30fc\u30b8\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3001\u4e0b\u6bb5\uff08listView2\uff09\u306f\u30a4\u30e1\u30fc\u30b8\u30ad\u30fc\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002imageList\u5074\u306b\u306f\u3001\u30a4\u30e1\u30fc\u30b8\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3001\u30ad\u30fc\u3068\u3082\u8a2d\u5b9a\u3055\u308c\u3001\u3069\u3061\u3089\u304b\u3089\u3082\u7d10\u4ed8\u3051\u51fa\u6765\u308b\u72b6\u614b\u3067\u3059\u3002<\/span>
\n\"\"
\n\u4ee5\u4e0b\u3001\u4eca\u56de\u306e\u30c6\u30b9\u30c8\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3059\u3002
\n<\/span><\/p>\n

using System;\r\nusing System.Collections.Generic;\r\nusing System.ComponentModel;\r\nusing System.Data;\r\nusing System.Drawing;\r\nusing System.Linq;\r\nusing System.Text;\r\nusing System.Threading.Tasks;\r\nusing System.Windows.Forms;\r\n\r\nusing System.IO;\r\n\r\nnamespace ListViewTest\r\n{\r\n    public partial class Form1 : Form\r\n    {\r\n        public Form1()\r\n        {\r\n            InitializeComponent();\r\n        }\r\n\r\n        private void Form1_Load(object sender, EventArgs e)\r\n        {\r\n            listView_init();\r\n            get_pic_thumbnail();\r\n        }\r\n\r\n        private void listView_init() {\r\n            listView1.LargeImageList = imageList1;\r\n            listView2.LargeImageList = imageList1;\r\n        }\r\n\r\n        private void get_pic_thumbnail() {\r\n            string imageDir = @\"\/\/ \u753b\u50cf\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30d1\u30b9\/\/\"; \r\n            string[] jpgFiles = System.IO.Directory.GetFiles(imageDir, \"*.PNG\");\r\n\r\n            int width = 80;\r\n            int height = 80;\r\n\r\n            imageList1.ImageSize = new Size(width, height);\r\n            listView1.LargeImageList = imageList1;\r\n\r\n            \/\/ imageList , listView \u767b\u9332\r\n            for (int i = 0; i < jpgFiles.Length; i++)\r\n            {\r\n                String F_Name = Path.GetFileName(jpgFiles[i]);\r\n                Image original = Bitmap.FromFile(jpgFiles[i]);\r\n                Image thumbnail = createThumbnail(original, width, height);\r\n\r\n                imageList1.Images.Add(\"KEY_\"+F_Name, thumbnail);\r\n                \r\n                listView1.Items.Add(F_Name, \"KEY_\" + F_Name);\r\n                listView2.Items.Add(F_Name, i);\r\n                original.Dispose();\r\n                thumbnail.Dispose();\r\n            }\r\n\r\n            \/\/ \u30ea\u30b9\u30c8\u30d3\u30e5\u30fc\uff11(listView1)\u30d7\u30ed\u30d1\u30c6\u30a3\r\n            int listViewCnt1 = listView1.Items.Count;\r\n            string[,] dat_vw1 = new string[listViewCnt1, 4];\r\n            for (int i = 0; i < listViewCnt1; i++) {\r\n                dat_vw1[i, 0] = listView1.Items[i].Index.ToString();\r\n                dat_vw1[i, 1] = listView1.Items[i].Text;\r\n                dat_vw1[i, 2] = listView1.Items[i].ImageIndex.ToString();\r\n                dat_vw1[i, 3] = listView1.Items[i].ImageKey;\r\n\r\n                listBox1.Items.Add(dat_vw1[i, 0]+\"  ,  \"+ dat_vw1[i, 1]+ \"  ,  \"+ dat_vw1[i, 2] + \"  ,  \" + dat_vw1[i, 3]);\r\n            }\r\n\r\n            \/\/ \u30ea\u30b9\u30c8\u30d3\u30e5\u30fc\uff12(listView2)\u30d7\u30ed\u30d1\u30c6\u30a3\r\n            int listViewCnt2 = listView2.Items.Count;\r\n            string[,] dat_vw2 = new string[listViewCnt2, 4];\r\n            for (int i = 0; i < listViewCnt2; i++)\r\n            {\r\n                dat_vw2[i, 0] = listView2.Items[i].Index.ToString();\r\n                dat_vw2[i, 1] = listView2.Items[i].Text;\r\n                dat_vw2[i, 2] = listView2.Items[i].ImageIndex.ToString();\r\n                dat_vw2[i, 3] = listView2.Items[i].ImageKey;\r\n\r\n                listBox2.Items.Add(dat_vw2[i, 0] + \"  ,  \" + dat_vw2[i, 1] + \"  ,  \" + dat_vw2[i, 2] + \"  ,  \" + dat_vw2[i, 3]);\r\n            }\r\n\r\n            \/\/ \u30a4\u30e1\u30fc\u30b8\u30ea\u30b9\u30c8(imageList1)\u30d7\u30ed\u30d1\u30c6\u30a3\r\n            int ImagelistCnt = imageList1.Images.Count;\r\n            string[,] dat_img = new string[ImagelistCnt, 2];\r\n            for (int i = 0; i < ImagelistCnt; i++)\r\n            {\r\n                dat_img[i, 0] = imageList1.Images.Keys[i];\r\n                dat_img[i, 1] = imageList1.Images.IndexOfKey(dat_img[i, 0]).ToString();\r\n                listBox3.Items.Add(i.ToString() + \"  ,  \" + dat_img[i, 0]+\"  ,  \" + dat_img[i, 1]) ;\r\n            }\r\n        }\r\n\r\n        \/\/ \u5e45w\u3001\u9ad8\u3055h\u306eImage\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\r\n        Image createThumbnail(Image image, int w, int h)\r\n        {\r\n            Bitmap canvas = new Bitmap(w, h);\r\n            Graphics g = Graphics.FromImage(canvas);\r\n            g.FillRectangle(new SolidBrush(Color.White), 0, 0, w, h);\r\n\r\n            float fw = (float)w \/ (float)image.Width;\r\n            float fh = (float)h \/ (float)image.Height;\r\n\r\n            float scale = Math.Min(fw, fh);\r\n            fw = image.Width * scale;\r\n            fh = image.Height * scale;\r\n\r\n            g.DrawImage(image, (w - fw) \/ 2, (h - fh) \/ 2, fw, fh);\r\n            g.Dispose();\r\n\r\n            return canvas;\r\n        }\r\n    }\r\n}\r\n<\/pre>\n
 <\/p>\n\n\n\n
<\/td>\n<\/td>\n\u7c21\u5358\u306a\u753b\u50cf\u8868\u793a\u9806\u306e\u5909\u66f4<\/span><\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u3000\u7c21\u5358\u306b\u9806\u756a\u306e\u4e26\u3073\u66ff\u3048\u3092\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u4e0b\u56f3\u3067\u306f\u4e0a\u6bb5\u306b\u5bfe\u3057\u3001\u4e0b\u6bb5\u306e\u753b\u50cf\u306f\u53cd\u5bfe\u304b\u3089\u4e26\u3093\u3067\u3044\u307e\u3059\u3002<\/span><\/p>\n
\"\"<\/p>\n
\u3000\u4e0a\u8a18\u306e\u4e26\u3073\u66ff\u3048\u9806\u756a\u306e\u5909\u66f4\u306f\u3001\u4eca\u56de\u306e\u30c6\u30b9\u30c8\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\uff15\uff13\u884c\u76ee\u3092\u6b21\u306e\u69d8\u306b\u5909\u66f4\u3057\u307e\u3057\u305f\u3002<\/span><\/p>\n\n\n\n\n
\u5143<\/td>\n\u00a0<\/span>listView2<\/span>.<\/span>Items<\/span>.<\/span>Add<\/span>(<\/span>F_Name<\/span>,<\/span> i<\/span>)<\/span>;<\/span><\/span><\/td>\n<\/tr>\n
\u4fee
\n\u6b63<\/td>\n		\u00a0F_Name = Path.GetFileName(jpgFiles[jpgFiles.Length – 1 – i]);
\n<\/span><\/span><\/span>listView2.Items.Add(F_Name, jpgFiles.Length-1-i);<\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n<\/span>\u3000\u6b21\u56de\u306f\u3001\u4eca\u56de\u78ba\u8a8d\u3057\u305f listView\u306e\u4f7f\u3044\u65b9\u3092\u3082\u3046\u5c11\u3057\u767a\u5c55\u3055\u305b\u3066\u3044\u304f\u4e88\u5b9a\u3067\u3059\u3002<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"
C# listView\u753b\u50cf\u8868\u793a \u3000C#\u30d5\u30a9\u30fc\u30e0\u30a2\u30d7\u30ea\u2015\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u753b\u50cf\u30c7\u30fc\u30bf\u3092\u6271\u3046\u969b\u306b\u51fa\u6765\u308b\u3060\u3051\u8996\u899a\u7684\u306b\u8868\u793a\u3057\u305f\u3044\u3068\u601d\u3044\u8abf\u67fb\u3057\u307e\u3057\u305f\u3002 \u300c.NET TIPS\uff1aListView\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u30b5\u30e0\u30cd\u30a4\u30eb\u753b\u50cf\u3092\u4e00\u89a7\u8868\u793a\u3059\u308b\u306b\u306f … \u7d9a\u304d\u3092\u8aad\u3080 C# ListView\u306b\u753b\u50cf\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3059\u308b<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":3033,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[75],"tags":[80,82,81],"_links":{"self":[{"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/posts\/3015"}],"collection":[{"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/comments?post=3015"}],"version-history":[{"count":15,"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/posts\/3015\/revisions"}],"predecessor-version":[{"id":3040,"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/posts\/3015\/revisions\/3040"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/media\/3033"}],"wp:attachment":[{"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/media?parent=3015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/categories?post=3015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kats-eye.net\/info\/wp-json\/wp\/v2\/tags?post=3015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}