The main use of Function:
MxDrawEntity::GetxDataString2
Reading a character extension data as detailed below:
| parameter | Explanation |
|---|---|
| [in] LONG lItem |
The value of the location |
| [out, retval] BSTR* pRet |
Returns the value of the variable |
| szAppName |
Extended data Name |
C # code to achieve the following:
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
private void ReadXData()
{
MxDrawUtility mxUtility =
new
MxDrawUtility();
MxDrawPoint point;
MxDrawEntity selEnt = (MxDrawEntity)(mxUtility.GetEntity(out point,
"选择要写扩展数据的对象"
));
if
(selEnt ==
null
)
return
;
string val = selEnt.GetxDataString2(
"ExDataName"
, 0);
if
(axMxDrawX1.IsOk())
{
MessageBox.Show(val);
}
else
{
MessageBox.Show(
"没有扩展数!"
);
}
}
|