最終更新:2020-05-12 (火) 23:07:07 (1454d)  

Directory.GetFiles
Top / Directory.GetFiles

https://docs.microsoft.com/ja-jp/dotnet/api/system.io.directory.getfiles?view=netcore-3.1

            var files = Directory.GetFiles(@".",*.png");
            List<string> fileNames = new List<string>();
            foreach (var file in files)
            {
                fileNames.Add(Path.GetFileName(file));
            }

            listBox1.Items.AddRange(fileNames.ToArray());

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