请问谁做过基于T.126的电子白板？有无人有T126的API开发包

struct SIPDU
{
archiveAcknowledgePDU ArchiveAcknowledgePDU,
archiveClosePDU ArchiveClosePDU,
archiveErrorPDU ArchiveErrorPDU,
archiveOpenPDU ArchiveOpenPDU,
bitmapAbortPDU BitmapAbortPDU,
bitmapCheckpointPDU BitmapCheckpointPDU,
bitmapCreatePDU BitmapCreatePDU,
bitmapCreateContinuePDU BitmapCreateContinuePDU,
bitmapDeletePDU BitmapDeletePDU,
bitmapEditPDU BitmapEditPDU,
conductorPrivilegeGrantPDU ConductorPrivilegeGrantPDU,
conductorPrivilegeRequestPDU ConductorPrivilegeRequestPDU,
drawingCreatePDU DrawingCreatePDU,
drawingDeletePDU DrawingDeletePDU,
drawingEditPDU DrawingEditPDU,
remoteEventPermissionGrantPDU RemoteEventPermissionGrantPDU,
remoteEventPermissionRequestPDU RemoteEventPermissionRequestPDU,
remoteKeyboardEventPDU RemoteKeyboardEventPDU,
remotePointingDeviceEventPDU RemotePointingDeviceEventPDU,
remotePrintPDU RemotePrintPDU,
siNonStandardPDU SINonStandardPDU,
workspaceCreatePDU WorkspaceCreatePDU,
workspaceCreateAcknowledgePDU WorkspaceCreateAcknowledgePDU,
workspaceDeletePDU WorkspaceDeletePDU,
workspaceEditPDU WorkspaceEditPDU,
workspacePlaneCopyPDU WorkspacePlaneCopyPDU,
workspaceReadyPDU WorkspaceReadyPDU,
workspaceRefreshStatusPDU WorkspaceRefreshStatusPDU,
[[
fontPDU FontPDU,
textCreatePDU TextCreatePDU,
textDeletePDU TexteDeletePDU,
textEditPDU TextEditPDU,
videoWindowCreatePDU VideoWindowCreatePDU,
videoWindowDeleatePDU VideoWindowDeletePDU,
videoWindowEditPDU VideoWindowEditPDU
]]
}
这是T.126的数据结构！！
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