CAD hidden mark (com Interface)

Implemented in C # code description:

private void HideFlag()
{
    MxDrawResbuf param;
    param = new MxDrawResbuf();

    // 1是标志的id,由ExApp_AddFlag函数返回
    param.AddLong(1);

    //  0表标志隐藏标志，非0显示标志
    param.AddLong(0);
    axMxDrawX1.CallEx("ExApp_ShowFlag", param);
}

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