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  • Unity调用windows系统dialog 选择文件夹

    #region 调用windows系统dialog 选择文件夹
    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]

    public class OpenDialogFile
    {
    public int structSize = 0;
    public IntPtr dlgOwner = IntPtr.Zero;
    public IntPtr instance = IntPtr.Zero;
    public String filter = null;
    public String customFilter = null;
    public int maxCustFilter = 0;
    public int filterIndex = 0;
    public String file = null;
    public int maxFile = 0;
    public String fileTitle = null;
    public int maxFileTitle = 0;
    public String initialDir = null;
    public String title = null;
    public int flags = 0;
    public short fileOffset = 0;
    public short fileExtension = 0;
    public String defExt = null;
    public IntPtr custData = IntPtr.Zero;
    public IntPtr hook = IntPtr.Zero;
    public String templateName = null;
    public IntPtr reservedPtr = IntPtr.Zero;
    public int reservedInt = 0;
    public int flagsEx = 0;
    }
    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
    public class OpenDialogDir
    {
    public IntPtr hwndOwner = IntPtr.Zero;
    public IntPtr pidlRoot = IntPtr.Zero;
    public String pszDisplayName = null;
    public String lpszTitle = null;
    public UInt32 ulFlags = 0;
    public IntPtr lpfn = IntPtr.Zero;
    public IntPtr lParam = IntPtr.Zero;
    public int iImage = 0;
    }

    public class DllOpenFileDialog
    {
    [DllImport("Comdlg32.dll", SetLastError = true, ThrowOnUnmappableChar = true, CharSet = CharSet.Auto)]
    public static extern bool GetOpenFileName([In, Out] OpenDialogFile ofn);

    [DllImport("Comdlg32.dll", SetLastError = true, ThrowOnUnmappableChar = true, CharSet = CharSet.Auto)]
    public static extern bool GetSaveFileName([In, Out] OpenDialogFile ofn);

    [DllImport("shell32.dll", SetLastError = true, ThrowOnUnmappableChar = true, CharSet = CharSet.Auto)]
    public static extern IntPtr SHBrowseForFolder([In, Out] OpenDialogDir ofn);

    [DllImport("shell32.dll", SetLastError = true, ThrowOnUnmappableChar = true, CharSet = CharSet.Auto)]
    public static extern bool SHGetPathFromIDList([In] IntPtr pidl, [In, Out] char[] fileName);

    }

    public string OpenWindowsDialog()
    {
    OpenDialogDir ofn2 = new OpenDialogDir();
    ofn2.pszDisplayName = new string(new char[2000]); ; // 存放目录路径缓冲区
    ofn2.lpszTitle = "Open Project";// 标题
    //ofn2.ulFlags = BIF_NEWDIALOGSTYLE | BIF_EDITBOX; // 新的样式,带编辑框
    IntPtr pidlPtr = DllOpenFileDialog.SHBrowseForFolder(ofn2);

    char[] charArray = new char[2000];
    for (int i = 0; i < 2000; i++)
    charArray[i] = '';

    DllOpenFileDialog.SHGetPathFromIDList(pidlPtr, charArray);
    string fullDirPath = new String(charArray);


    fullDirPath = fullDirPath.Substring(0, fullDirPath.IndexOf(''));


    return fullDirPath;//这个就是选择的目录路径。
    }
    #endregion

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  • 原文地址:https://www.cnblogs.com/mcyushao/p/11765961.html
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