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CIPAddressCtrl

An IP Address control, a control similar to an edit control, allows you to enter and manipulate a numerical address in Internet Protocol (IP) format.

The CIPAddressCtrl class provides the functionality of the Windows common IP Address control. This control (and therefore the CIPAddressCtrl class) is available only to programs running under Microsoft Internet Explorer 4.0 and later. They will also be available under future versions of Windows and Windows NT.

For more general information about the IP Address Control, see in the Platform SDK.

#include <afxcmn.h>

Class Members |  Base Class |  Hierarchy Chart
 

CIPAddressCtrl::GetAddress

int GetAddress( BYTE& nField0, BYTE& nField1, BYTE& nField2, BYTE& nField3 );

int GetAddress( DWORD& dwAddress );

Return Value

The number of non-blank fields in the IP Address Control.

Parameters

nField0

A reference to the field 0 value from a packed IP address.

nField1

A reference to the field 1 value from a packed IP address.

nField2

A reference to the field 2 value from a packed IP address.

nField3

A reference to the field 3 value from a packed IP address.

dwAddress

A reference to the address of a DWORD value that receives the IP address. See Remarks for a table that shows how dwAddress is filled.

Remarks

This member function implements the behavior of the Win32 message , as described in the Platform SDK.

In the first prototype above, the numbers in fields 0 through 3 of the control, read left to right respectively, populate the four parameters. In the second prototype above, dwAddress is populated as follows.

四个字节前后颠倒.  
  void   CCheckURL::ConvertAddr(DWORD   &   Addr)  
  {  
  DWORD   Old=Addr;  
  Addr=MAKELONG(MAKEWORD(HIBYTE(HIWORD(Old)),LOBYTE(HIWORD(Old))),MAKEWORD(HIBYTE(LOWORD(Old)),LOBYTE(LOWORD(Old))));  
  }