C# Signature:

/// <summary>
/// Sets the last-error code for the calling thread.
/// Sets the last-error code for the calling thread..
/// </summary>
/// <param name="dwErrorCode">The last-error code for the thread.</param>
[DllImport("kernel32.dll", SetLastError = true)]
static extern void SetLastError(uint dwErrorCode);
static extern void SetLastError(uint dwErrCode);

VB.NET Signature:

Declare Function SetLastError Lib "kernel32.dll" (ByVal dwErrCode As Integer) As Integer

User-Defined Types:

None.

Notes:

None.

Tips & Tricks:

Call SetLastError(0) at the beginning of your function if you'll use GetLastError.

Sample Code:

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Alternative Managed API:

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