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// Frequently used constants (incomplete - see https://msdn.microsoft.com/en-us/library/windows/desktop/gg258117(v=vs.85).aspx for full list)
const unit FILE_ATTRIBUTE_ARCHIVE = 0x20;
const unit FILE_ATTRIBUTE_DIRECTORY = 0x10;
const unit FILE_ATTRIBUTE_HIDDEN = 0x2;
const unit FILE_ATTRIBUTE_NORMAL = 0x80;
const unit FILE_ATTRIBUTE_READONLY = 0x1;
const unit FILE_ATTRIBUTE_SYSTEM = 0x4;
const unit FILE_ATTRIBUTE_TEMPORARY = 0x100;
const uint INVALID_FILE_ATTRIBUTES = 0xffffffff;
VB.Net Signature:
<DllImport("kernel32.dll")>_
Public Shared Function GetFileAttributes(ByVal lpFileName As String) As Integer
End Function
if ((GetFileAttributes(@"\\?\UNC\" + file) & FILE_ATTRIBUTE_ARCHIVE) != FILE_ATTRIBUTE_ARCHIVE)
{
bool deleted =DeleteFileW(@"\\?\UNC\"+file);
if (!deleted)
{
int lastError = Marshal.GetLastWin32Error();
Console.WriteLine("Failed to delete '{1}': error={0}", lastError, file);
}
}
Alternative Managed API:
System.IO.File.GetAttributes
The GetFileAttributesEx API
2/8/2011 10:56:24 AM - mklement0-173.48.238.201
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