IOleInPlaceSiteWindowless.OnDefWindowMessage Method

Invokes the default processing for all messages passed to an object.

Namespace:  Microsoft.VisualStudio.OLE.Interop
Assembly:  Microsoft.VisualStudio.OLE.Interop (in Microsoft.VisualStudio.OLE.Interop.dll)

Syntax

'Declaration
Function OnDefWindowMessage ( _
    MSG As UInteger, _
    wParam As IntPtr, _
    lParam As IntPtr, _
    <OutAttribute> ByRef plResult As Integer _
) As Integer
'Usage
Dim instance As IOleInPlaceSiteWindowless
Dim MSG As UInteger
Dim wParam As IntPtr
Dim lParam As IntPtr
Dim plResult As Integer
Dim returnValue As Integer

returnValue = instance.OnDefWindowMessage(MSG, _
    wParam, lParam, plResult)

int OnDefWindowMessage(
    uint MSG,
    IntPtr wParam,
    IntPtr lParam,
    out int plResult
)

int OnDefWindowMessage(
    [InAttribute] unsigned int MSG, 
    [InAttribute] IntPtr wParam, 
    [InAttribute] IntPtr lParam, 
    [OutAttribute] int% plResult
)

abstract OnDefWindowMessage : 
        MSG:uint32 * 
        wParam:IntPtr * 
        lParam:IntPtr * 
        plResult:int byref -> int 

function OnDefWindowMessage(
    MSG : uint, 
    wParam : IntPtr, 
    lParam : IntPtr, 
    plResult : int
) : int

Parameters

• MSG
  Type: System.UInt32
  [in] Identifier for the window message provided to the container by Windows.

• wParam
  Type: System.IntPtr
  [in] Parameter for the window message provided to the container by Windows.

• lParam
  Type: System.IntPtr
  [in] Parameter for the window message provided to the container by Windows.

• plResult
  Type: System.Int32%
  [out] Pointer to result code for the window message as defined in the Windows API.

Return Value

Type: System.Int32
S_OK
The container's default processing for the window message was successfully invoked.
S_FALSE
The container's default processing for the window message was not invoked. See Note to Implementers below.

Remarks

For information on the COM interface, see IOleInPlaceSiteWindowless::OnDefWindowMessage

.NET Framework Security

• Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

See Also

Reference

IOleInPlaceSiteWindowless Interface

IOleInPlaceSiteWindowless Members

Microsoft.VisualStudio.OLE.Interop Namespace