C# Signature:

[DllImport("kernel32.dll")]
static extern bool GetFileSizeEx(IntPtr hFile, out long lpFileSize);

VB.Net Signature:

<DllImport("kernel32.dll",CharSet:=CharSet.Auto)> _
Public Shared Function GetFileSizeEx( _

<DllImport("kernel32.dll",CharSet:=CharSet.Auto)> _

Public Shared Function GetFileSizeEx( _

                <[In]()> ByVal hFile As IntPtr, _
                <[In](), Out()> ByRef lpFileSize As Long) As Boolean

User-Defined Types:

None.

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

C#

        IntPtr handle = CreateFile(PathString, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_READONLY, 0); //PInvoked too
        if (handle.ToInt32() == -1)
        {
        return;
        }
        long fileSize;
        bool result = GetFileSizeEx(handle, out fileSize);
        if (!result)
        {
        return;
        }

Please add some!

Alternative Managed API:

class System.IO.FileInfo, member Length.

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