Software Developer's Kit - ChemDraw

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Topology Property
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Description

Member of ChemDraw Control.Bond.

Sets and returns the topology of the bond.

Property type

Read-write property

Syntax

Visual Basic
Public Property Topology() As CDBondTopology

Return Type

Remarks

The topology property specifies the ring environment of the selected bond. Chain topology is the linear order of secondary structure elements in the chain. 

Example

'In the form general section (or as public in the module)
 Dim myBond As ChemDrawControl10Ctl.Bond
'---------------------------------------------------------------------------------
 Private Sub ctlChemDraw_SelectionChanged(ByVal selection As
         ChemDrawControl10Ctl.IChemDrawSelection)   
    'Checks that there is a bond loaded in the variable 
     If  Selection.Bonds.Count < 1 Then 
         Exit Sub
     End If
 End Sub
'---------------------------------------------------------------------------------
 Private Sub Command1_Click()
     Text1.Text= myBond.Topology
     myBond.Topology = kCDBondTopologyChain
 End Sub

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