/// <summary>
/// Gets the branch position.
/// </summary>
private string GetBranchPosition(string parentId, string name)
{
string methodName = "IOPCHDA_Browser.GetBranchPosition";
// need to move down to get the browse position.
if (!String.IsNullOrEmpty(name))
{
if (!ChangeBrowsePosition(OPCHDA_BROWSEDIRECTION.OPCHDA_BROWSE_DOWN, name))
{
return(null);
}
}
string itemId = null;
try
{
IOPCHDA_Browser server = BeginComCall <IOPCHDA_Browser>(methodName, true);
server.GetBranchPosition(out itemId);
}
catch (Exception e)
{
ComCallError(methodName, e);
return(null);
}
finally
{
EndComCall(methodName);
// restore browse position.
if (!String.IsNullOrEmpty(name))
{
ChangeBrowsePosition(OPCHDA_BROWSEDIRECTION.OPCHDA_BROWSE_DIRECT, parentId);
}
}
return(itemId);
}
private string GetFullBranchName(string name)
{
string pszBranchPos = null;
try
{
m_browser.ChangeBrowsePosition(OPCHDA_BROWSEDIRECTION.OPCHDA_BROWSE_DOWN, name);
}
catch
{
return(null);
}
try
{
m_browser.GetBranchPosition(out pszBranchPos);
}
catch
{
}
m_browser.ChangeBrowsePosition(OPCHDA_BROWSEDIRECTION.OPCHDA_BROWSE_UP, "");
return(pszBranchPos);
}