vn.net拖拽的一个例子HandsOnJiggingCreatingJigsusingVB.NET
AJigisatoolwherebygraphicsaredisplayedastheuserispromptedtoselectapoint,angle,etc.ThinkoftheCopycommand.Whenobjectsareselectedandabasepointhasbeenselected,theJigjumpsinanddisplaystheobjectsasthecursorismovedonthescreen.WhenaBlockisinserted,a
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