85 lines
2.4 KiB
C#
85 lines
2.4 KiB
C#
using System.Runtime.InteropServices;
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using System;
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public class ChinarFileDlog
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{
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public int structSize = 0;
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public IntPtr dlgOwner = IntPtr.Zero;
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public IntPtr instance = IntPtr.Zero;
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public string filter = null;
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public string customFilter = null;
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public int maxCustFilter = 0;
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public int filterIndex = 0;
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public string file = null;
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public int maxFile = 0;
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public string fileTitle = null;
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public int maxFileTitle = 0;
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public string initialDir = null;
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public string title = null;
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public int flags = 0;
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public short fileOffset = 0;
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public short fileExtension = 0;
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public string defExt = null;
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public IntPtr custData = IntPtr.Zero;
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public IntPtr hook = IntPtr.Zero;
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public string templateName = null;
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public IntPtr reservedPtr = IntPtr.Zero;
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public int reservedInt = 0;
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public int flagsEx = 0;
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}
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public class OpenFileDialog
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{
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[DllImport("Comdlg32.dll", SetLastError = true, ThrowOnUnmappableChar = true, CharSet = CharSet.Auto)]
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public static extern bool GetOpenFileName([In, Out] ChinarFileDlog ofd);
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}
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public class FolderSelectDialog
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{
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private const uint BIF_RETURNONLYFSDIRS = 0x0001;
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[DllImport("shell32.dll")]
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private static extern IntPtr SHBrowseForFolder(ref BROWSEINFO lpbi);
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[DllImport("shell32.dll", CharSet = CharSet.Unicode)]
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private static extern bool SHGetPathFromIDList(IntPtr pidl, IntPtr pszPath);
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[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
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private struct BROWSEINFO
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{
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public IntPtr hwndOwner;
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public IntPtr pidlRoot;
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public IntPtr pszDisplayName;
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public string lpszTitle;
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public uint ulFlags;
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public IntPtr lpfn;
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public IntPtr lParam;
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public int iImage;
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}
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public static string OpenFolderDialog(string title)
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{
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string selectedPath = string.Empty;
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var bi = new BROWSEINFO();
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bi.hwndOwner = IntPtr.Zero;
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bi.ulFlags = BIF_RETURNONLYFSDIRS;
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bi.lpszTitle = title;
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IntPtr pidl = SHBrowseForFolder(ref bi);
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if (pidl != IntPtr.Zero)
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{
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var path = Marshal.AllocHGlobal(260 * sizeof(char));
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if (SHGetPathFromIDList(pidl, path))
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{
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selectedPath = Marshal.PtrToStringUni(path);
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}
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Marshal.FreeHGlobal(path);
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Marshal.FreeCoTaskMem(pidl);
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}
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return selectedPath;
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}
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}
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