CAD用多义线动态画矩形框-CFANZ编程社区

动态拖放时的绘制事件：

1 2 3 4 5 6 7 8 9 10 11	`function` `DynWorldDrawMatrix1( pCustomEntity, pWorldDraw, curPt) {` `//与用户交互在图面上提取一个点` `var` `vBasePt = pCustomEntity.GetPoint(``"BasePoint"``);` `//绘制一个直线` `//参数一直线的开始点x坐标，参数二直线的开始点y坐标，参数三直线的结束点x坐标，参数四直线的结束点y坐标` `pWorldDraw.DrawLine (vBasePt.x, vBasePt.y, vBasePt.x, curPt.y);` `pWorldDraw.DrawLine (vBasePt.x, curPt.y, curPt.x, curPt.y);` `pWorldDraw.DrawLine (curPt.x, curPt.y, curPt.x, vBasePt.y);` `pWorldDraw.DrawLine (curPt.x, vBasePt.y, vBasePt.x, vBasePt.y);` `}`

动态绘制矩形框：

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29	`//绘制矩形框` `function` `DrawPathToPolyline() {` `// 创建一个与用户交互取点的对象。` `var` `point1 = mxOcx.GetPoint(``false``,0,0,``"\n 点取开始点:"``);` `if``(point1 ==` `null``)` `{` `return``;` `}` `var` `getSecondPt = mxOcx.NewComObject(``"IMxDrawUiPrPoint"``);` `getSecondPt.message =` `"第二点"``;` `getSecondPt.basePoint = point1;` `//不开启皮筋效果` `getSecondPt.setUseBasePt(``false``);` `//调用` `var` `spDrawData = getSecondPt.InitUserDraw(``"TestDynDrawMatrix1"``);` `// 设置动态绘制参数.` `spDrawData.SetPoint(``"BasePoint"``, point1);` `// 开始取第二个点。` `if` `(getSecondPt.go() != 1)` `return``;` `mxOcx.PathMoveTo(point1.x, point1.y);` `mxOcx.PathLineTo(point1.x, getSecondPt.value().y);` `mxOcx.PathLineTo(getSecondPt.value().x, getSecondPt.value().y);` `mxOcx.PathLineTo(getSecondPt.value().x, point1.y);` `mxOcx.PathMakeClosed();` `mxOcx.DrawPathToPolyline();` `}`