LPDHCP_CONTROL callback function (dhcpssdk.h)

Article
02/22/2024

The DhcpControlHook function is called by Microsoft DHCP Server when the DHCP Server service is started, stopped, paused, or continued. The DhcpControlHook is implemented by a third-party DLL that registers for notification of significant Microsoft DHCP Server events. The DhcpControlHook function should not block.

Syntax

LPDHCP_CONTROL LpdhcpControl;

DWORD LpdhcpControl(
  [in] DWORD dwControlCode,
  [in] LPVOID lpReserved
)
{...}

Parameters

[in] dwControlCode

Specifies the control event that triggered the notification. This parameter will be one of the following:

DHCP_CONTROL_START
DHCP_CONTROL_STOP
DHCP_CONTROL_PAUSE
DHCP_CONTROL_CONTINUE

[in] lpReserved

Reserved for future use.

Return value

Return values are defined by the application providing the callback.

Remarks

This routine should not block.

Requirements

Requirement	Value
Minimum supported client	None supported
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	dhcpssdk.h