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求曲线周围一点到曲线上的最近点
[helpstring("method GetClosestPointTo2")] HRESULT GetClosestPointTo2([in] IMxDrawPoint* givenPnt, [in] VARIANT_BOOL isExtend, [out,retval] IMxDrawPoint** pPointOnCurve);
参数 |
说明 |
[in] IMxDrawPoint* givenPnt |
任一点 |
[in] VARIANT_BOOL isExtend |
暂不支持 |
[out,retval] IMxDrawPoint** pPointOnCurve |
返回曲线上的最近点 |
成功返回TRUE