C#进行Visio开发的事件处理
在C#进行Visio的开发中,通过继承接口IVisEventProc,可以创建事件的侦听处理类,如下所示:
public sealed class EventSink2 : IVisEventProc
{
..
object IVisEventProc.VisEventProc(short eventCode, object source, int eventId,
int eventSequenceNumber, object subject, object moreInfo)
{
}
}
事件有很多类,有Application级别的,有Document级别的,有Page级别的,有Shape级别的,有Windows级别的,有Cell级别的..............,下面截取一部分事件代码看看
case (short)Microsoft.Office.Interop.Visio.VisEventCodes.
visEvtDoc + (short)Microsoft.Office.Interop.Visio.
VisEventCodes.visEvtDel:
case (short)Microsoft.Office.Interop.Visio.VisEventCodes.
visEvtCodeBefDocSave:
case (short)Microsoft.Office.Interop.Visio.VisEventCodes.
visEvtCodeBefDocSaveAs:
case (short)Microsoft.Office.Interop.Visio.VisEventCodes.
visEvtCodeDocDesign:
case (short)Microsoft.Office.Interop.Visio.VisEventCodes.
visEvtPage + (short)Microsoft.Office.Interop.Visio.
VisEventCodes.visEvtDel:
case (short)Microsoft.Office.Interop.Visio.VisEventCodes.
visEvtPage + visEvtAdd:
case (short)Microsoft.Office.Interop.Visio.VisEventCodes.
visEvtPage + (short)Microsoft.Office.Interop.Visio.
VisEventCodes.visEvtMod:
case (short)Microsoft.Office.Interop.Visio.VisEventCodes.
visEvtMaster + (short)Microsoft.Office.Interop.Visio.
VisEventCodes.visEvtDel:
case (short)Microsoft.Office.Interop.Visio.VisEventCodes.
visEvtMaster + (short)Microsoft.Office.Interop.Visio.
VisEventCodes.visEvtMod:
case (short)Microsoft.Office.Interop.Visio.VisEventCodes.
visEvtCodeCancelMasterDel:
case (short)Microsoft.Office.Interop.Visio.VisEventCodes.
visEvtShape + (short)Microsoft.Office.Interop.Visio.
VisEventCodes.visEvtDel:
case (short)Microsoft.Office.Interop.Visio.VisEventCodes.
visEvtCodeShapeBeforeTextEdit:
case (short)Microsoft.Office.Interop.Visio.VisEventCodes.
visEvtShape + visEvtAdd:
case (short)Microsoft.Office.Interop.Visio.VisEventCodes.
visEvtShape + (short)Microsoft.Office.Interop.Visio.
VisEventCodes.visEvtMod:
case (short)Microsoft.Office.Interop.Visio.VisEventCodes.
visEvtCell + (short)Microsoft.Office.Interop.Visio.
VisEventCodes.visEvtMod:
case (short)Microsoft.Office.Interop.Visio.VisEventCodes.
visEvtFormula + (short)Microsoft.Office.Interop.Visio.
VisEventCodes.visEvtMod:
将事件和我们的处理函数联系起来,还需要对事件进行侦听,即AddAdvise,下面列出一段如何侦听事件的代码供参考
Event newEvent = null;
EventList applicationEvents = eventApplication.EventList;
EventList documentEvents = eventDocument.EventList;
newEvent = documentEvents.AddAdvise(
(unchecked((short)VisEventCodes.visEvtAdd) + (short)VisEventCodes.visEvtShape),
(IVisEventProc)this, sink, "ShapeAdd");
newEvent = documentEvents.AddAdvise(
(short)VisEventCodes.visEvtDel + (short)VisEventCodes.visEvtShape,
(IVisEventProc)this, sink, "ShapeDelete");
newEvent = documentEvents.AddAdvise(
(short)VisEventCodes.visEvtMod + (short)VisEventCodes.visEvtCell,
(IVisEventProc)this, sink, "CellChanged");
newEvent = documentEvents.AddAdvise(
(short)VisEventCodes.visEvtCodeShapeExitTextEdit,
(IVisEventProc)this, sink, "ShapeExitedTextEdit");
newEvent = documentEvents.AddAdvise(
(short)VisEventCodes.visEvtCodeQueryCancelSelDel,
(IVisEventProc)this, sink, "QueryCancelSelectionDelete");
具体的使用,最好下载Visio2007 SDK进行学习,自己编写一些例子对事件进行处理
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撰写人:伍华聪