bluefires 发表于 2006-8-18 20:41:00

AutoCad函数的参数的奇怪问题

本帖最后由 作者 于 2006-8-20 20:55:58 编辑 <br /><br /> <PRE style="MARGIN: 1pt 0cm">Sub Example_SetXRecordData()<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; ' This example creates a new XRecord if one doesn't exist,<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; ' appends data to the XRecord, and reads it back.&nbsp; To see data being added,<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; ' run the example more than once.<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; <o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;Dim TrackingDictionary As AcadDictionary, TrackingXRecord As AcadXRecord<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; Dim XRecordDataType As Variant, XRecordData As Variant<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; Dim ArraySize As Long, iCount As Long<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; Dim DataType As Integer, Data As String, msg As String<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; <o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;' Unique identifiers to distinguish our XRecordData from other XRecordData<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; Const TYPE_STRING = 1<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; Const TAG_DICTIONARY_NAME = "ObjectTrackerDictionary"<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; Const TAG_XRECORD_NAME = "ObjectTrackerXRecord"<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm"><o:p>&nbsp;</o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; ' Connect to the dictionary in which the XRecord is stored<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; On Error GoTo CREATE<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; Set TrackingDictionary = ThisDrawing.Dictionaries(TAG_DICTIONARY_NAME)<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; Set TrackingXRecord = TrackingDictionary.GetObject(TAG_XRECORD_NAME)<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; On Error GoTo 0<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; <o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;' Get current XRecordData<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; TrackingXRecord.GetXRecordData XRecordDataType, XRecordData<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; <o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;' If there is no array already, create one<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; If VarType(XRecordDataType) And vbArray = vbArray Then<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ArraySize = UBound(XRecordDataType) + 1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ' Get the size of the data elements returned<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ArraySize = ArraySize + 1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;' Increase to hold new data<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; <o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ReDim Preserve XRecordDataType(0 To ArraySize)<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ReDim Preserve XRecordData(0 To ArraySize)<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; Else<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ArraySize = 0<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ReDim XRecordDataType(0 To ArraySize) As Integer<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ReDim XRecordData(0 To ArraySize) As Variant<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; End If<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; <o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;' Append new XRecord Data<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; '<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; ' For this sample, we only append the current item to the XRecord<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; XRecordDataType(ArraySize) = TYPE_STRING: XRecordData(ArraySize) = CStr(Now)<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; TrackingXRecord.SetXRecordData XRecordDataType, XRecordData<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; <o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;' Read back all XRecordData entries<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; TrackingXRecord.GetXRecordData XRecordDataType, XRecordData<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; ArraySize = UBound(XRecordDataType)<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; <o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;' Retrieve and display stored XRecordData<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; For iCount = 0 To ArraySize<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ' Get information for this element<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; DataType = XRecordDataType(iCount)<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Data = XRecordData(iCount)<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If DataType = TYPE_STRING Then<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; msg = msg &amp; Data &amp; vbCrLf<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; End If<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; Next<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; <o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;MsgBox "The data in the XRecord is: " &amp; vbCrLf &amp; vbCrLf &amp; msg, vbInformation<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; <o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;Exit Sub<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm"><o:p>&nbsp;</o:p></PRE><PRE style="MARGIN: 1pt 0cm">CREATE:<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; ' Create the objects that hold the XRecordData<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; If TrackingDictionary Is Nothing Then&nbsp; ' Make sure the tracking object is there<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;Set TrackingDictionary = ThisDrawing.Dictionaries.Add(TAG_DICTIONARY_NAME)<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Set TrackingXRecord = TrackingDictionary.AddXRecord(TAG_XRECORD_NAME)<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; End If<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; <o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;Resume<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">End Sub<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm"><FONT face=宋体>这个程序是书上的例子,我把它改了一下<o:p></o:p></FONT></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; ' Get current XRecordData<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; TrackingXRecord.GetXRecordData XRecordDataType, XRecordData<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; <o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;' If there is no array already, create one<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp; If VarType(XRecordDataType) And vbArray = vbArray Then<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT face=宋体>在这个下面开始改动,放一个函数<o:p></o:p></FONT></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim return_date() as Variant<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dim array1() as Variant<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;return_date=search_date(XRecordData,array1)<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; …………………………<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm; TEXT-INDENT: 50pt; mso-char-indent-count: 5.0">………………………….<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm; TEXT-INDENT: 50pt; mso-char-indent-count: 5.0"><FONT face=宋体>下面是程序的其他部分,知道程序结束。<o:p></o:p></FONT></PRE><PRE style="MARGIN: 1pt 0cm"><FONT face=宋体>先说一下</FONT>search_date(XRecordData,array1)<FONT face=宋体>这个函数,<o:p></o:p></FONT></PRE><PRE style="MARGIN: 1pt 0cm"><FONT face=宋体>完整定义</FONT>Public function search_date(xrecorddata() as Variant ,array1() as Variant)<o:p></o:p></PRE><PRE style="MARGIN: 1pt 0cm"><FONT face=宋体>这个函数的功能是返回</FONT>xrecorddata()<FONT face=宋体>中和</FONT>array1()<FONT face=宋体>中相同的数据,将数据作为一个数组返回<o:p></o:p></FONT></PRE><PRE style="MARGIN: 1pt 0cm"><FONT face=宋体>我出问题的地方就是编译通不过,它说</FONT>return_date=search_date(XRecordData,array1)<FONT face=宋体>调用中</FONT>XRecordData<FONT face=宋体>数据类型不对。</FONT></PRE><PRE style="MARGIN: 1pt 0cm"><FONT face=宋体>可是按照我的想法是</FONT>If VarType(XRecordDataType) And vbArray = vbArray Then<FONT face=宋体>这个语句不是已经判别</FONT>XRecordDataType <FONT face=宋体>和</FONT></PRE><PRE style="MARGIN: 1pt 0cm">XRecordData<FONT face=宋体>都为数组了吗?我的程序大概想法是对一张图纸,首先判断他的字典是否有信息(即由数组</FONT>XRecordData<FONT face=宋体>表示的),</FONT></PRE><PRE style="MARGIN: 1pt 0cm"><FONT face=宋体>如果有数据则和</FONT>array1()<FONT face=宋体>中的数据进行比较,要是没有则把</FONT>array1()<FONT face=宋体>中的数据赋值给</FONT>XRecordData<FONT face=宋体>(),然后用</FONT>SetXRecordData<FONT face=宋体>把</FONT></PRE><PRE style="MARGIN: 1pt 0cm"><FONT face=宋体>值放入字典。我现在没有源代码在家里,在公司了,大家帮我分析一下。<o:p></o:p></FONT></PRE>
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