using System.Windows.Forms;
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namespace Gs.DevApp.DevFrm.Sys
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{
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public enum FileType
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{
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Txt,
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Xml,
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Pdf,
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Bin,
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Zip,
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All,
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Img,
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Excel
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}
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public class FileSelector
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{
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public static string Title = "Please choose the file:";
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public static string Filter =
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"Text files (*.txt)|*.txt|All files (*.*)|*.*";
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/// <summary>
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/// Get or set the initial directory displayed by the file dialog box.
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/// </summary>
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public static OpenFileDialog OFD = new OpenFileDialog();
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public static SaveFileDialog SFD = new SaveFileDialog();
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public static FileType FileExtension
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{
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set
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{
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switch (value)
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{
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case FileType.Txt:
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Filter = "Text files(*.txt)|*.txt|All files(*.*)|*.*";
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break;
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case FileType.Excel:
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Filter =
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"Text files(*.xls;*.xlsx)|*.xls;*.xlsx|All files(*.*)|*.*";
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break;
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case FileType.Xml:
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Filter =
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"XML files(*.xml)|*.xml|Config files(*.config)|*.config|All files(*.*)|*.*";
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break;
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case FileType.Pdf:
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Filter =
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"Pdf files(*.Pdf)|*.Pdf|Pdf form files(*.fdf)|*.fdf|All files(*.*)|*.*";
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break;
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case FileType.Bin:
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Filter =
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"Binary files(*.bin)|*.bin|Application files(*.exe;*.lib;*.dll)|*.exe;*.lib;*.dll|All files(*.*)|*.*";
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break;
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case FileType.Zip:
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Filter =
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"Zip files(*.zip;*.rar)|*.zip;*.rar|All files(*.*)|*.*";
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break;
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case FileType.Img:
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Filter =
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"GIF(*.gif)|*.gif|Jpeg(*.jpg)|*.jpg|Bmp(*.bmp)|*.bmp|Emf(*.emf)|*.emf|Png(*.png)|*.png";
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break;
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case FileType.All:
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Filter = "All files(*.*)|*.*";
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break;
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}
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}
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}
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public static string InitialPath
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{
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set
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{
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OFD.InitialDirectory = value;
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SFD.InitialDirectory = value;
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}
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}
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public static string BrowseFile()
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{
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OFD.Title = Title;
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OFD.Filter = Filter;
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if (OFD.ShowDialog() == DialogResult.OK)
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return OFD.FileName;
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return null;
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}
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public static string BrowseFileForSave()
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{
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SFD.Title = Title;
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SFD.Filter = Filter;
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if (SFD.ShowDialog() == DialogResult.OK)
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return SFD.FileName;
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return null;
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}
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public static string BrowseFile(FileType type)
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{
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FileExtension = type;
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return BrowseFile();
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}
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public static string BrowseFile(string filter)
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{
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Filter = filter;
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return BrowseFile();
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}
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public static string BrowseFileForSave(FileType type)
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{
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FileExtension = type;
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return BrowseFileForSave();
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}
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public static string BrowseFileForSave(string filter)
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{
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Filter = filter;
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return BrowseFileForSave();
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}
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public static string BrowseFilePathForSave()
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{
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var fbd = new FolderBrowserDialog();
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if (fbd.ShowDialog() == DialogResult.OK)
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return fbd.SelectedPath; //获得选择的文件夹路径
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return "";
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}
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}
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}
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