* DirEx：增加一个文件夹选择框
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Sunny
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@ -49,12 +49,12 @@ namespace Sunny.UI
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/// <param name="dir">返回true则path为选择文件夹路径</param>
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/// <param name="showNewButton">显示新建文件夹按钮</param>
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/// <returns>是否选择文件夹</returns>
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public static bool SelectDir(string desc, out string dir, bool showNewButton = true)
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public static bool SelectDir(string desc, ref string dir, bool showNewButton = true)
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{
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dir = string.Empty;
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bool bOk = false;
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using (FolderBrowserDialog fd = new FolderBrowserDialog { Description = desc, ShowNewFolderButton = showNewButton })
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{
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fd.SelectedPath = dir;
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if (fd.ShowDialog() == DialogResult.OK)
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{
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dir = fd.SelectedPath.DealPath();
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@ -65,6 +65,27 @@ namespace Sunny.UI
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return bOk;
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}
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/// <summary>
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/// 选择文件夹
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/// </summary>
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/// <param name="desc">说明</param>
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/// <param name="dir">返回true则path为选择文件夹路径</param>
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/// <returns>是否选择文件夹</returns>
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public static bool SelectDirEx(string desc, ref string dir)
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{
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bool bOk = false;
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using (FolderBrowserDialogEx fd = new FolderBrowserDialogEx { Description = desc, DirectoryPath = dir })
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{
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if (fd.ShowDialog(null) == DialogResult.OK)
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{
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dir = fd.DirectoryPath.DealPath();
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bOk = true;
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}
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}
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return bOk;
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}
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/// <summary>
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/// Temp文件夹，末尾包括\
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/// </summary>
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232
SunnyUI/Units/UFolderBrowserDialogEx.cs
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232
SunnyUI/Units/UFolderBrowserDialogEx.cs
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@ -0,0 +1,232 @@
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using System;
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using System.ComponentModel;
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using System.Drawing.Design;
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using System.Runtime.InteropServices;
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using System.Windows.Forms;
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// ReSharper disable UnusedMember.Local
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namespace Sunny.UI
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{
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#region Editor
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/// <summary>
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/// FolderBrowser 的设计器基类
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/// </summary>
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public class FolderNameEditorEx : UITypeEditor
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{
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public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext context)
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{
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return UITypeEditorEditStyle.Modal;
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}
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public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
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{
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FolderBrowserDialogEx browser = new FolderBrowserDialogEx();
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if (value != null)
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{
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browser.DirectoryPath = string.Format("{0}", value);
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}
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if (browser.ShowDialog(null) == DialogResult.OK)
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return browser.DirectoryPath;
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return value;
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}
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}
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#endregion
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#region FolderBrowserDialog Base
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/// <summary>
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/// Vista 样式的选择文件对话框的基类
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/// </summary>
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[Description("提供一个Vista样式的选择文件对话框")]
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[Editor(typeof(FolderNameEditorEx), typeof(UITypeEditor))]
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[ToolboxItem(false)]
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public class FolderBrowserDialogEx : Component
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{
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#region Public Property
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//
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// 摘要:
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// 获取或设置对话框中在树视图控件上显示的说明文本。
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//
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// 返回结果:
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// 要显示的说明。 默认值为空字符串("")。
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/// <summary>
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/// 标题
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/// </summary>
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[Browsable(true)]
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[DefaultValue(null)]
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[Localizable(true)]
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[Description("自定义标题")]
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public string Description { get; set; }
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/// <summary>
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/// 选择的文件夹路径（也可以设置默认选择的路径）
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/// </summary>
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[Browsable(true)]
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[DefaultValue(null)]
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[Description("默认路径/返回路径")]
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public string DirectoryPath { get; set; }
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/// <summary>
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/// 强制显示隐藏文件和文件夹
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/// </summary>
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[Browsable(true)]
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[DefaultValue(false)]
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[Description("显示隐藏文件")]
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public bool ShowHidden { get; set; }
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/// <summary>
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/// 向用户显示 FolderBrowser 的对话框
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/// </summary>
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/// <param name="owner">任何实现 System.Windows.Forms.IWin32Window（表示将拥有模式对话框的顶级窗口）的对象。</param>
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/// <returns></returns>
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public DialogResult ShowDialog(IWin32Window owner)
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{
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IntPtr handle = owner?.Handle ?? GetActiveWindow();
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IFileOpenDialog dialog = (IFileOpenDialog)new FileOpenDialog();
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try
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{
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IShellItem item;
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//如果选择路径不为空，则设置默认文件夹
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if (!string.IsNullOrEmpty(DirectoryPath))
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{
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IntPtr idl;
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uint atts = 0;
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if (SHILCreateFromPath(DirectoryPath, out idl, ref atts) == 0)
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{
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if (SHCreateShellItem(IntPtr.Zero, IntPtr.Zero, idl, out item) == 0)
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{
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dialog.SetFolder(item);
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}
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}
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}
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//自定义标题
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if (!string.IsNullOrEmpty(Description))
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{
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dialog.SetTitle(Description);
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}
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//是否显示隐藏文件
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if (ShowHidden)
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{
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//本人扩展的项目
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dialog.SetOptions(FOS.FOS_PICKFOLDERS | FOS.FOS_FORCEFILESYSTEM | FOS.FOS_FORCESHOWHIDDEN);
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}
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else
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{
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//原作者代码
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dialog.SetOptions(FOS.FOS_PICKFOLDERS | FOS.FOS_FORCEFILESYSTEM);
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}
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uint hr = dialog.Show(handle);
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if (hr == ERROR_CANCELLED)
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return DialogResult.Cancel;
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if (hr != 0)
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return DialogResult.Abort;
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dialog.GetResult(out item);
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string path;
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item.GetDisplayName(SIGDN.SIGDN_FILESYSPATH, out path);
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DirectoryPath = path;
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return DialogResult.OK;
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}
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finally
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{
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Marshal.ReleaseComObject(dialog);
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}
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}
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#endregion
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#region BaseType
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[DllImport("shell32.dll")]
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private static extern int SHILCreateFromPath([MarshalAs(UnmanagedType.LPWStr)] string pszPath, out IntPtr ppIdl, ref uint rgflnOut);
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[DllImport("shell32.dll")]
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private static extern int SHCreateShellItem(IntPtr pidlParent, IntPtr psfParent, IntPtr pidl, out IShellItem ppsi);
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[DllImport("user32.dll")]
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private static extern IntPtr GetActiveWindow();
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private const uint ERROR_CANCELLED = 0x800704C7;
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[ComImport]
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[Guid("DC1C5A9C-E88A-4dde-A5A1-60F82A20AEF7")]
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private class FileOpenDialog
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{
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}
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[ComImport]
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[Guid("42f85136-db7e-439c-85f1-e4075d135fc8")]
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[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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private interface IFileOpenDialog
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{
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[PreserveSig]
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uint Show([In] IntPtr parent); // IModalWindow
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void SetFileTypes(); // not fully defined
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void SetFileTypeIndex([In] uint iFileType);
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void GetFileTypeIndex(out uint piFileType);
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void Advise(); // not fully defined
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void Unadvise();
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void SetOptions([In] FOS fos);
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void GetOptions(out FOS pfos);
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void SetDefaultFolder(IShellItem psi);
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void SetFolder(IShellItem psi);
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void GetFolder(out IShellItem ppsi);
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void GetCurrentSelection(out IShellItem ppsi);
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void SetFileName([In, MarshalAs(UnmanagedType.LPWStr)] string pszName);
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void GetFileName([MarshalAs(UnmanagedType.LPWStr)] out string pszName);
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void SetTitle([In, MarshalAs(UnmanagedType.LPWStr)] string pszTitle);
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void SetOkButtonLabel([In, MarshalAs(UnmanagedType.LPWStr)] string pszText);
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void SetFileNameLabel([In, MarshalAs(UnmanagedType.LPWStr)] string pszLabel);
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void GetResult(out IShellItem ppsi);
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void AddPlace(IShellItem psi, int alignment);
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void SetDefaultExtension([In, MarshalAs(UnmanagedType.LPWStr)] string pszDefaultExtension);
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void Close(int hr);
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void SetClientGuid(); // not fully defined
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void ClearClientData();
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void SetFilter([MarshalAs(UnmanagedType.Interface)] IntPtr pFilter);
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void GetResults([MarshalAs(UnmanagedType.Interface)] out IntPtr ppenum); // not fully defined
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void GetSelectedItems([MarshalAs(UnmanagedType.Interface)] out IntPtr ppsai); // not fully defined
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}
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[ComImport]
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[Guid("43826D1E-E718-42EE-BC55-A1E261C37BFE")]
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[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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private interface IShellItem
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{
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void BindToHandler(); // not fully defined
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void GetParent(); // not fully defined
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void GetDisplayName([In] SIGDN sigdnName, [MarshalAs(UnmanagedType.LPWStr)] out string ppszName);
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void GetAttributes(); // not fully defined
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void Compare(); // not fully defined
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}
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private enum SIGDN : uint
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{
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SIGDN_DESKTOPABSOLUTEEDITING = 0x8004c000,
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SIGDN_DESKTOPABSOLUTEPARSING = 0x80028000,
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SIGDN_FILESYSPATH = 0x80058000,
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SIGDN_NORMALDISPLAY = 0,
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SIGDN_PARENTRELATIVE = 0x80080001,
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SIGDN_PARENTRELATIVEEDITING = 0x80031001,
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SIGDN_PARENTRELATIVEFORADDRESSBAR = 0x8007c001,
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SIGDN_PARENTRELATIVEPARSING = 0x80018001,
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SIGDN_URL = 0x80068000
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}
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[Flags]
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private enum FOS
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{
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FOS_ALLNONSTORAGEITEMS = 0x80,
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FOS_ALLOWMULTISELECT = 0x200, //需要采用GetResults获取结果，未实现
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FOS_CREATEPROMPT = 0x2000,
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FOS_DEFAULTNOMINIMODE = 0x20000000,
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FOS_DONTADDTORECENT = 0x2000000,
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FOS_FILEMUSTEXIST = 0x1000,
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FOS_FORCEFILESYSTEM = 0x40,
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FOS_FORCESHOWHIDDEN = 0x10000000, //强制显示隐藏文件
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FOS_HIDEMRUPLACES = 0x20000,
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FOS_HIDEPINNEDPLACES = 0x40000,
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FOS_NOCHANGEDIR = 8,
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FOS_NODEREFERENCELINKS = 0x100000,
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FOS_NOREADONLYRETURN = 0x8000,
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FOS_NOTESTFILECREATE = 0x10000,
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FOS_NOVALIDATE = 0x100,
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FOS_OVERWRITEPROMPT = 2,
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FOS_PATHMUSTEXIST = 0x800,
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FOS_PICKFOLDERS = 0x20,
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FOS_SHAREAWARE = 0x4000,
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FOS_STRICTFILETYPES = 4
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}
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#endregion
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}
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#endregion
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}
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