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www.mxdraw.com
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打碎自定义实体事件回调函数指针
[id(242) , helpstring("property ImpExplodeFun"), hidden, nonbrowsable]
IDispatch* ImpExplodeFun;例如:JS
function ExplodeFun(pCustomEntity, pWorldDraw) {
var sGuid = pCustomEntity.Guid;
if (sGuid == "TestMxCustomEntity") {
if (!pCustomEntity.IsHave("ept"))
return;
var stp = pCustomEntity.GetPoint("spt");
if (stp == null)
return;
var ept = pCustomEntity.GetPoint("ept");
if (ept == null)
return;
var mxUtility = mxOcx.NewUtility();
var vec = ept.SumVector(stp);
vec.Mult(0.5);
var midPt = mxOcx.NewPoint();
midPt.x = stp.x;
midPt.y = stp.y;
midPt.Add(vec);
var dAng = vec.Angle();
dAng = mxUtility.GetDimAngle(dAng);
var dDis = 0.0;
dDis = stp.DistanceTo(ept);
var sTxt = "L=" + formatNumber(dDis, '#.##');
dAng = dAng * 180.0 / 3.14159265;
vec.RotateByXyPlan(3.14159265 / 2.0);
vec.Normalize();
vec.Mult(10);
stp.Add(vec);
ept.Add(vec);
pWorldDraw.DrawLine(stp.x, stp.y, ept.x, ept.y);
vec.Mult(2);
stp.Sum(vec);
ept.Sum(vec);
pWorldDraw.DrawLine(stp.x, stp.y, ept.x, ept.y);
pWorldDraw.SetColorIndex(1);
pWorldDraw.DrawText(midPt.x, midPt.y, sTxt, 5, dAng,
1, 2);
mxOcx.SetEventRet(1);
}
}