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How to get the type "_DCWIMAQViewer" from "TCWIMAQViewer" in Delphi?

How to get the type "_DCWIMAQViewer" from "TCWIMAQViewer" in Delphi?

‎05-18-2008 01:20 AM

Hi All!
 
Please help me to solve the problem!
 
For example:
In VB,the programme order is "CWMachineVision1.SetupViewerForRectangleSelection CWIMAQViewer1",It looks like very simple.
 
But In Delphi,I wrote "CWMachineVision1.SetupViewerForRectangleSelection(CWIMAQViewer1),It says  "Incompatible type _DCWIMAQViewer and TCWIMAQViewer" when compiling programme.
Then I tried to write "CWMachineVision1.SetupViewerForRectangleSelection(CWIMAQViewer1.ControlInterface) or CWMachineVision1.SetupViewerForRectangleSelection(CWIMAQViewer1.DefaultInterface)",Compile is passed but Running programme is failed.
 
So what can I do it?
 
Best regards
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