method

ole_typelib

v2_5_5 - Show latest stable - Class: WIN32OLE

ole_typelib()

public

Returns the WIN32OLE_TYPELIB object. The object represents the type library which contains the WIN32OLE object.

excel = WIN32OLE.new('Excel.Application')
tlib = excel.ole_typelib
puts tlib.name  # -> 'Microsoft Excel 9.0 Object Library'

static VALUE
fole_typelib(VALUE self)
{
    struct oledata *pole = NULL;
    HRESULT hr;
    ITypeInfo *pTypeInfo;
    LCID  lcid = cWIN32OLE_lcid;
    VALUE vtlib = Qnil;

    pole = oledata_get_struct(self);
    hr = pole->pDispatch->lpVtbl->GetTypeInfo(pole->pDispatch,
                                              0, lcid, &pTypeInfo);
    if(FAILED(hr)) {
        ole_raise(hr, eWIN32OLEQueryInterfaceError, "failed to GetTypeInfo");
    }
    vtlib = ole_typelib_from_itypeinfo(pTypeInfo);
    OLE_RELEASE(pTypeInfo);
    if (vtlib == Qnil) {
        rb_raise(rb_eRuntimeError, "failed to get type library info.");
    }
    return vtlib;
}

ole_typelib

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