/// <summary>
/// 取得或创建变量表
/// </summary>
/// <param name="cpu">控制器</param>
/// <param name="Path">变量表路径</param>
public static ICoreObject GetOrCreateTagTable(
this ICoreObject cpu,
string Path,
ISynchronizeInvoke synchronizer = null)
{
ISynchronizeInvoke UsingSynchronizer;
if (synchronizer == null)
{
UsingSynchronizer = cpu.GetSynchronizer();
}
else
{
UsingSynchronizer = synchronizer;
}
return(TiaStarter.RunInSynchronizer(UsingSynchronizer, (Func <ICoreObject>)
(() => {
ICoreObject tagFolder = cpu.GetTagsFolder();
ICoreObject table = GetTagTableByName(tagFolder, Path);
if (table == null)
{
table = CreateTagTable(tagFolder, Path);
}
return table;
})) as ICoreObject);
}
/// <summary>
/// 取得默认变量表
/// </summary>
public static ICoreObject GetDefaultTagTable(this ICoreObject cpu,
ISynchronizeInvoke synchronizer = null)
{
ISynchronizeInvoke UsingSynchronizer;
if (synchronizer == null)
{
UsingSynchronizer = cpu.GetSynchronizer();
}
else
{
UsingSynchronizer = synchronizer;
}
ICoreObject tagFolder = cpu.GetTagsFolder();
IDictionary <string, ICoreObject> tagTables = tagFolder.GetTagTables();
ICoreObject defaultTagTable = null;
tagTables.TryGetValue("默认变量表", out defaultTagTable);
return(defaultTagTable);
}
