[ARX函数]：在ARX中打开加密DWG文件

zyp2671

我想通过COM技术在ARX中打开指定DWG文件，正常打开没有问题，但如果想要打开AutoCAD加密后的文件，则不知道该如何设置password参数（我用BSTR方式传password，结果失败！），请大虾指教！谢谢

CAcadApplication IApp;
CAcadDocuments IDocs;
CAcadDocument IDoc;

IDispatch *pDisp = acedGetAcadWinApp()->GetIDispatch(TRUE); //AddRef is called on the pointer
IApp.AttachDispatch(pDisp); // does not call AddRef()
IApp.put_Visible(true);
// Get the Documents collection
pDisp = IApp.get_Documents();
IDocs.AttachDispatch(pDisp);
pDisp = IApp.get_ActiveDocument(); //AddRef is called
IDoc.AttachDispatch(pDisp);

CString fullPath = "c:\\test2.dwg";

VARIANT vReadOnly;
VariantInit(&vReadOnly);
V_VT(&vReadOnly) = VT_BOOL;
V_BOOL(&vReadOnly) = VARIANT_TRUE;

CString pwd = "123";
VARIANT vPwd;
VariantInit(&vPwd);
V_VT(&vPwd) = VT_BSTR;
V_BSTR(&vPwd) = pwd.AllocSysString();

// Open it for Read-Only
IDoc = IDocs.Open(fullPath, vReadOnly, vPwd);