[求助]：以下功能如何实现

xuth

(ARX2006)   现在有个程序要求输入一系列的实数
当我输入10,输入下一个时提示上一次输入的,这时如果不是10就输入其他数,如果是就回车或
空格
那么该如何判断是回车还是空格还是输入了一个其他数,相应的判断该赋什么值

xysyr

int

acedGetReal(

const char * prompt,

ads_real * result);

prompt Description to come
result Description to come

Pauses for user input of a real value, and sets result to the value that the user enters. The prompt argument specifies a string that acedGetReal() displays before it pauses. The prompt is optional; if you don't use it, pass a null pointer instead of a string value. The result argument must point to a memory area large enough to store a double-precision floating-point number.

The AutoCAD user can enter any valid real value, but the user cannot respond to acedGetReal() by entering an AutoLISP expression.

The acedGetReal() function returns one of the following: RTNORM if it succeeds, RTERROR if it fails, or RTCAN if the user cancels the request (by entering [Ctrl]+[C]). A prior call to acedInitGet() can also enable return values of RTNONE or RTKWORD.

pckite

用楼上的方法。你在char * prompt中加入上一次的数据就提示上一次输入的了。

wkur

随便输入回车空格在CAD里不现实吧？