C# Signature:

[DllImport("Wlanapi.dll", SetLastError = true, CharSet = CharSet.Unicode)]
public static extern uint WlanReasonCodeToString(uint dwReasonCode, uint dwBufferSize, StringBuilder pStringBuffer, IntPtr pReserved);

or

[DllImport("Wlanapi.dll", SetLastError = true, CharSet = CharSet.Unicode)]
public static extern uint WlanReasonCodeToString(WLAN_REASON_CODE dwReasonCode, uint dwBufferSize, StringBuilder pStringBuffer, IntPtr pReserved);

VB Signature:

Declare Function WlanReasonCodeToString Lib "wlanapi.dll" (TODO) As TODO

Parameters description:

- dwReasonCode: A WLAN_REASON_CODE value of which the string description is requested.

- dwBufferSize: The size of the buffer used to store the string, in WCHAR. If the reason code string is longer than the buffer, it will be truncated and NULL-terminated. If dwBufferSize is larger than the actual amount of memory allocated to pStringBuffer, then an access violation will occur in the calling program.

- pStringBuffer: Pointer to a buffer that will receive the string. The caller must allocate memory to pStringBuffer before calling WlanReasonCodeToString.

- pReserved: Reserved for future use. Must be set to NULL (IntPtr.Zero in C#).

User-Defined Types:

WLAN_REASON_CODE (enum) should be defined, if using the second signature.

Alternative Managed API:

Do you know one? Please contribute it!

Notes:

- `int` can be used instead of `uint`, at least in the C# version.

- The string that is returned is localized (seems to use the system language).

Tips & Tricks:

Please add some!

Sample Code:

uint reasonCode = 524289; // INVALID_PROFILE_SCHEMA
var stringBuffer = new StringBuilder(64);
WlanReasonCodeToString(reasonCode, stringBuffer.Capacity, stringBuffer, IntPtr.Zero);

Please edit this page!

Do you have...

• helpful tips or sample code to share for using this API in managed code?
• corrections to the existing content?
• variations of the signature you want to share?
• additional languages you want to include?

Select "Edit This Page" on the right hand toolbar and edit it! Or add new pages containing supporting types needed for this API (structures, delegates, and more).