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How to draw an ellipse on a frame using Video Callback Filter in C# Started by Travis at 10-05-2005 9:10. Topic has 0 replies. LEAD Support Fo... » General » Example Request... » How to draw an ellipse on a frame using Video Callback Filter in C#

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10-05-2005, 9:10 Travis Joined on 07-07-2003 In house Posts 288 How to draw an ellipse on a frame using Video Callback Filter in C# Attachment: COM - V14 - CallbackFilter Draw Ellipse using COM in Callback.zip This example shows how to use LEAD's Raster COM objects to draw an ellipse from within our Video Callback Filter's callback function.  It uses LEAD's Raster COM objects, LEAD Multimedia COM objects, and LEAD's Video Callback Filter.  The project is written in C# with .NET 2003.  In order to process the callback you have to create a .NET class derived from the Video Callback Filter and have the class override the Callback function.  In the attached project the class is called LEADCallback and it's implementation can be found in the file LEADCallback.cs.  I put all the code for drawing on the frame in the callback function. Travis Montgomery LEAD Technical Support    Report

LEAD Support Fo... » General » Example Request... » How to draw an ellipse on a frame using Video Callback Filter in C#

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