CAD由实体句柄返回实体对象（com接口c#语言）
2020-12-13 05:21
标签：database 详细 null mtab MTA cin dex bsp toe IMxDrawDatabase::HandleToObject 给一个实体的句柄，返回实体的对象，具体详细如下： [in] BSTR handle 实体的句柄 C#代码得到多线的端点，并成填充对象： CAD由实体句柄返回实体对象（com接口c#语言） 标签：database 详细 null mtab MTA cin dex bsp toe 原文地址：https://www.cnblogs.com/yzy0224/p/11137946.html
参数
说明
private void TestFill(String sHandle)
{
MxDrawDatabase database = (MxDrawDatabase)axMxDrawX1.GetDatabase();
MxDrawMcDbObject obj = database.HandleToObject(sHandle);
if (obj == null)
return;
if (obj is MxDrawPolyline)
{
MxDrawPolyline poly = (MxDrawPolyline)obj;
int i = 0;
for (; i
{
MxDrawPoint pt = (MxDrawPoint)poly.GetPointAt(i);
double dBulge = poly.GetBulgeAt(i);
if (i == 0)
axMxDrawX1.PathMoveTo(pt.x, pt.y);
else
axMxDrawX1.PathLineToEx(pt.x, pt.y, 0.0, 0.0, dBulge);
}
if (i >= 3)
{
axMxDrawX1.PathMakeClosed();
axMxDrawX1.DrawPathToHatch(1.0);
}
}
}