//获取当前操作对象的属性，并显示在状态栏中
void SelectSize()
{
double l = 0, t = 0, r = 0, b = 0;
int nRet = CSharpInterface.HS_GetObjProperty(ref l, ref t, ref r, ref b);
if (0 == nRet)
{
tsslabObjSize.Text = "对象属性:[宽" + (r - l).ToString("f2") + "mm,高"
+ (t - b).ToString("f2") + "mm,中心(" + (0.5 * (r + l)).ToString("f2") + "," + (0.5 * (t + b)).ToString("f2") + ")]";
}
else
{
ShowLastError();
}
}