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IOleComponentUIManager.OnUIEvent Method

Definition

Informs the SOleComponentUIManager service of a UI event.

public:
 void OnUIEvent(System::UInt32 dwCompRole, Guid % rclsidComp, Guid % pguidUIEventGroup, System::UInt32 nUIEventId, System::UInt32 dwUIEventStatus, System::UInt32 dwEventFreq, cli::array <Microsoft::VisualStudio::OLE::Interop::RECT> ^ prcEventRegion, System::Object ^ % pvarEventArg);
public void OnUIEvent (uint dwCompRole, ref Guid rclsidComp, ref Guid pguidUIEventGroup, uint nUIEventId, uint dwUIEventStatus, uint dwEventFreq, Microsoft.VisualStudio.OLE.Interop.RECT[] prcEventRegion, ref object pvarEventArg);
abstract member OnUIEvent : uint32 * Guid * Guid * uint32 * uint32 * uint32 * Microsoft.VisualStudio.OLE.Interop.RECT[] * obj -> unit
Public Sub OnUIEvent (dwCompRole As UInteger, ByRef rclsidComp As Guid, ByRef pguidUIEventGroup As Guid, nUIEventId As UInteger, dwUIEventStatus As UInteger, dwEventFreq As UInteger, prcEventRegion As RECT(), ByRef pvarEventArg As Object)

Parameters

dwCompRole
UInt32

[in] Role of the affected in-place VSPackage object. For valid dwCompRole values, see OLEROLE.

rclsidComp
Guid

[in] Class identifier (CLSID) of the in-place VSPackage object.

pguidUIEventGroup
Guid

[in] Uniquely identifies the UI events group of the in-place VSPackage object.

nUIEventId
UInt32

[in] Identifies the event using a combination of the events group and event ID.

dwUIEventStatus
UInt32

[in] Represents the status of the event. For valid dwUIEventStatus values, see OLEUIEVENTSTATUS.

dwEventFreq
UInt32

[in] Indicates how often the event occurs. For valid dwEventFreq values, see OLEUIEVENTFREQ.

prcEventRegion
RECT[]

[in] Screen coordinates of the region that might be affected by the event. The environment uses this information to avoid the region.

pvarEventArg
Object

[in] Contains event-specific information if applicable. Typically, pvarEventArg will be null.

Remarks

COM Signature

From oleipc.idl:

void IOleComponentUIManager::OnUIEvent(  
   [in] DWORD dwCompRole,  
   [in] REFCLSID rclsidComp,  
   [in] const GUID *pguidUIEventGroup,  
   [in] DWORD nUIEventId,  
   [in] DWORD dwUIEventStatus,  
   [in] DWORD dwEventFreq,  
   [in] RECT *prcEventRegion,  
   [in] VARIANT *pvarEventArg  
);  

The functionality provided by OnUIEvent is also available with the SVsStatusbar service. OnUIEvent can be used to control various fields in the environment's status bar. It is intended to insulate an in-place VSPackage object from interacting directly with any environment-specific UI peculiarities.

A call to OnUIEvent communicates an event's identifier, its status, its frequency, and the region affected. The following events are currently supported by OnUIEvent.

Events
uieventidSetTextLinePos uieventidSetGraphicYPos
uieventidSetTextColPos uieventidSetGraphicXSize
uieventidSetTextSelMode uieventidSetGraphicYSize
uieventidSetTextCharPos uieventidSetGraphicXPos
uieventidSetTextInsMode uieventidAnimateIcon

Applies to