public static void DeleteWithUndo(string filePath)
{
string str = Microsoft.Expression.Framework.Documents.PathHelper.TrimTrailingDirectorySeparators(filePath);
bool flag = File.Exists(str);
Microsoft.Expression.Project.NativeMethods.SHFILEOPSTRUCT32 mainWindowHandle = new Microsoft.Expression.Project.NativeMethods.SHFILEOPSTRUCT32()
{
fFlags = 13396,
hNameMappings = IntPtr.Zero
};
try
{
mainWindowHandle.hwnd = Process.GetCurrentProcess().MainWindowHandle;
}
catch (Exception exception1)
{
Exception exception = exception1;
if (!(exception is SecurityException) && !(exception is InvalidOperationException) && !(exception is NotSupportedException))
{
throw;
}
mainWindowHandle.hwnd = IntPtr.Zero;
}
mainWindowHandle.lpszProgressTitle = string.Empty;
mainWindowHandle.pFrom = string.Concat(str, "\0\0");
mainWindowHandle.pTo = null;
mainWindowHandle.wFunc = 3;
mainWindowHandle.fAnyOperationsAborted = false;
if (IntPtr.Size == 4)
{
Microsoft.Expression.Project.NativeMethods.SHFileOperation32(ref mainWindowHandle);
}
else if (IntPtr.Size == 8)
{
Microsoft.Expression.Project.NativeMethods.SHFILEOPSTRUCT64 sHFILEOPSTRUCT64 = new Microsoft.Expression.Project.NativeMethods.SHFILEOPSTRUCT64()
{
fFlags = mainWindowHandle.fFlags,
hNameMappings = mainWindowHandle.hNameMappings,
hwnd = mainWindowHandle.hwnd,
lpszProgressTitle = mainWindowHandle.lpszProgressTitle,
pFrom = mainWindowHandle.pFrom,
pTo = mainWindowHandle.pTo,
wFunc = mainWindowHandle.wFunc,
fAnyOperationsAborted = mainWindowHandle.fAnyOperationsAborted
};
Microsoft.Expression.Project.NativeMethods.SHFileOperation64(ref sHFILEOPSTRUCT64);
}
if (flag)
{
Microsoft.Expression.Project.NativeMethods.SHChangeNotify(4, 5, str, IntPtr.Zero);
return;
}
Microsoft.Expression.Project.NativeMethods.SHChangeNotify(16, 5, str, IntPtr.Zero);
}
internal static extern int SHFileOperation64(ref Microsoft.Expression.Project.NativeMethods.SHFILEOPSTRUCT64 lpFileOp);
