CAD drawing tag to your pages

Disclaimer: This article is a blogger original article, shall not be reproduced without the bloggers allowed. https://blog.csdn.net/u013725001/article/details/91360424

//循环
while(true)
{
    //新建一个COM组件对象 参数为COM组件类名
    var getPt = mxOcx.NewComObject("IMxDrawUiPrPoint");
    getPt.message = "点取绘制点";
    if(getPt.go() != 1)
    {
        return;
    }
    var frstPt = getPt.value();
    if(frstPt == null)
        return;
    //返回拾取矩形框的宽度,默认值为6
    var dLen = mxOcx.GetCursorPickRect();
    //视区长度到文档长度变换
    dLen = mxOcx.ViewLongToDocCoord(dLen);
    dLen *= 3.0;
    //绘制失量线
    //参数一为开始点X值；参数二为开始点Y值；参数三为结束点X值；参数四为结束点Y值；参数五为颜色

    mxOcx.DrawVectorLine(frstPt.x - dLen,frstPt.y - dLen,
        frstPt.x + dLen,frstPt.y + dLen,
        255
    );
    mxOcx.DrawVectorLine(frstPt.x - dLen,frstPt.y + dLen,
        frstPt.x + dLen,frstPt.y - dLen,
        255
    );
    //绘制失量圆
    //参数一为失量圆中心点X,文档坐标 ；参数二为失量圆中心点Y,文档坐标；参数三为失量圆半径,文档坐标；参数四为颜色
    mxOcx.DrawVectorCircle(frstPt.x,frstPt.y,
        dLen * 0.5, 65280);
    //更新当前控件的显示
    mxOcx.UpdateDisplay();
}