IWindowForBindingUI Interface

IID_IWindowForBindingUI

{79EAC9D5-BAFA-11CE-8C82-00AA004BA90B}

This interface allows clients of URL monikers to display information in the client's user interface when necessary.

Methods in VTable order

IUnknown Methods

Description

QueryInterface

Returns pointers to supported interfaces.

AddRef

Increments reference count.

Release

Decrements reference count.

IWindowForBindingUI Method

Description

GetWindow

Retrieves a handle to a window to present information in the user interface during a bind operation.

GetWindow

FUNCTION IWindowForBindingUI_GetWindow ( _
  BYVAL pthis AS DWORD PTR _
, BYREF rguidReason AS GUID _
, BYREF phwnd AS DWORD _
  ) AS LONG
 

  LOCAL HRESULT AS LONG
  CALL DWORD @@pthis[3] USING IWindowForBindingUI_GetWindow (pthis, rguidReason, phwnd) TO HRESULT
  FUNCTION = HRESULT

END FUNCTION
 

IWindowForBindingUI interface implementation

$IID_IWindowForBindingUI = GUID$("{79EAC9D5-BAFA-11CE-8C82-00AA004BA90B}")

' ****************************************************************************************
' IWindowForBindingUI interface virtual table
' ****************************************************************************************
TYPE IWindowForBindingUIVtbl
   ' IUnknown methods
   pQueryInterface         AS DWORD          ' // QueryInterface method
   pAddRef                 AS DWORD          ' // AddRef method
   pRelease                AS DWORD          ' // Release method
   ' IWindowForBindingUI method
   pGetWindow              AS DWORD          ' // GetWindow method
   ' Custom data
   pVtblAddr               AS DWORD          ' // Address of the virtual table
   cRef                    AS DWORD          ' // Reference count
END TYPE
' ****************************************************************************************

' ****************************************************************************************
' Builds the IWindowForBindingUI Virtual Table
' Returns a cookie that is a pointer to a IWindowForBindingUIVtbl structure.
' ****************************************************************************************
FUNCTION IWindowForBindingUI_BuildVtbl () AS DWORD

   LOCAL pVtbl AS IWindowForBindingUIVtbl PTR
   LOCAL pUnk AS IWindowForBindingUIVtbl PTR

   pVtbl = HeapAlloc(GetProcessHeap(), %HEAP_ZERO_MEMORY, SIZEOF(@pVtbl))
   IF pVtbl = 0 THEN EXIT FUNCTION

   @pVtbl.pQueryInterface         = CODEPTR(IWindowForBindingUI_QueryInterface)
   @pVtbl.pAddRef                 = CODEPTR(IWindowForBindingUI_AddRef)
   @pVtbl.pRelease                = CODEPTR(IWindowForBindingUI_Release)

   @pVtbl.pGetWindow              = CODEPTR(IWindowForBindingUI_GetWindow)

   @pVtbl.pVtblAddr               = pVtbl
   @pVtbl.cRef                    = 1

   pUnk = VARPTR(@pVtbl.pVtblAddr)
   FUNCTION = pUnk

END FUNCTION
' ****************************************************************************************

' ****************************************************************************************
' IWindowForBindingUI_QueryInterface method
' Returns the IUnknown of our class and increments the reference counter.
' ****************************************************************************************
FUNCTION IWindowForBindingUI_QueryInterface (BYVAL pCookie AS IWindowForBindingUIVtbl PTR, BYREF riid AS GUID, BYREF ppvObj AS DWORD) AS LONG
   IF riid = $IID_IWindowForBindingUI THEN
      ppvObj = pCookie
      INCR @@pCookie.cRef
      FUNCTION = %S_OK
   ELSE
      FUNCTION = %E_NOINTERFACE
   END IF
END FUNCTION
' ****************************************************************************************

' ****************************************************************************************
' IWindowForBindingUI_IUnknown_AddRef method
' Increments the reference counter.
' ****************************************************************************************
FUNCTION IWindowForBindingUI_AddRef (BYVAL pCookie AS IWindowForBindingUIVtbl PTR) AS DWORD
   INCR @@pCookie.cRef
   FUNCTION = @@pCookie.cRef
END FUNCTION
' ****************************************************************************************

' ****************************************************************************************
' IWindowForBindingUI_IUnknown_Release method
' Releases our class if there is only a reference to him and decrements the reference counter.
' ****************************************************************************************
FUNCTION IWindowForBindingUI_Release (BYVAL pCookie AS IWindowForBindingUIVtbl PTR) AS DWORD
   DECR @@pCookie.cRef
   FUNCTION = @@pCookie.cRef
   IF @@pCookie.cRef = 0 THEN
      IF ISTRUE @@pCookie.pVtblAddr THEN
         HeapFree(GetProcessHeap(), 0, BYVAL @@pCookie.pVtblAddr)
      END IF
   END IF
END FUNCTION
' ****************************************************************************************

' ****************************************************************************************
' Retrieves a handle to a window to present information in the user interface during a
' bind operation.
' ****************************************************************************************
FUNCTION IWindowForBindingUI_GetWindow (BYVAL pCookie AS IWindowForBindingUIVtbl PTR, BYREF rguidReason AS GUID, BYREF phwnd AS DWORD) AS LONG

   ' Put your code here
   ' FUNCTION = %S_OK or %E_INVALIDARG

END FUNCTION
' ****************************************************************************************