private static Dictionary <AddinManagerAssembly, List <ICADExCommand> > DeserializeAssemblies(
AssemblyInfos amInfos)
{
var nodesInfo = new Dictionary <AddinManagerAssembly, List <ICADExCommand> >(new AssemblyComparer());
//
if (amInfos != null)
{
foreach (string assemblyPath in amInfos.AssemblyPaths)
{
if (File.Exists(assemblyPath))
{
// 将每一个程序集中的外部命令提取出来
List <ICADExCommand> m = ExCommandFinder.RetriveExternalCommandsFromAssembly(assemblyPath);
if (m.Any())
{
Assembly ass = m[0].GetType().Assembly;
AddinManagerAssembly amAssembly = new AddinManagerAssembly(assemblyPath, ass);
nodesInfo.Add(amAssembly, m);
}
}
}
}
return(nodesInfo);
}
private void buttonLoad_Click(object sender, EventArgs e)
{
string[] dllPaths = ChooseOpenDll("Choose an Addin file");
bool hasNewMethodAdded = false;
//
if (dllPaths != null)
{
foreach (string dllPath in dllPaths)
{
if (string.IsNullOrEmpty(dllPath))
{
continue;
}
//
var methods = ExCommandFinder.RetriveExternalCommandsFromAssembly(dllPath);
if (methods.Any())
{
// 更新 Dictionary
AddMethodsInOneAssembly(dllPath, methods);
hasNewMethodAdded = true;
}
}
}
if (hasNewMethodAdded)
{
// 刷新界面
RefreshTreeView(_nodesInfo);
}
}
private void button_Reload_Click(object sender, EventArgs e)
{
TreeNode nd = treeView1.SelectedNode;
TreeNode ndAss = null;
if (nd == null)
{
return;
}
//
if (nd.Level == 0) // 移除程序集
{
ndAss = nd;
}
else if (nd.Level == 1)// 移除某个方法所对应的程序集
{
ndAss = nd.Parent;
}
AddinManagerAssembly mtd = ndAss.Tag as AddinManagerAssembly;
string assFullPath = mtd.Path;
// 重新加载此程序集
if (!string.IsNullOrEmpty(assFullPath))
{
bool hasNewMethodAdded = false;
//
var methods = ExCommandFinder.RetriveExternalCommandsFromAssembly(assFullPath);
if (methods.Any())
{
// 更新 Dictionary
AddMethodsInOneAssembly(assFullPath, methods);
hasNewMethodAdded = true;
}
if (hasNewMethodAdded)
{
// 刷新界面
RefreshTreeView(_nodesInfo);
}
}
}
private static ExternalCommandResult Execute(object exCommandIns, SelectionSet impliedSelection, ref string errorMessage, ref IList <ObjectId> errorSet)
{
eZcad.DocumentModifier.LineFeedInCommandLine();
ExternalCommandResult res = ExternalCommandResult.Failed;
try
{
var mtd = ExCommandFinder.FindExCommandMethod(exCommandIns.GetType());
if (mtd != null)
{
// 先将焦点交给 AutoCAD 主界面
Application.MainWindow.Focus();
// ---------------------------- 执行命令 ----------------------------------------
object[] paras = new object[] { impliedSelection, errorMessage, errorSet };
res = (ExternalCommandResult)mtd.Invoke(exCommandIns, paras);
// 将 ref 参数的值提取出来
errorMessage = paras[1] as string;
errorSet = paras[2] as IList <ObjectId>;
}
// 执行操作
// 如果在执行 Execute()方法时发现某个程序集不存在，则通过AssemblyResolve 事件手动进行加载
// 所以，所有引用的 zengfy 自定义程序集，都必须在 Execute() 方法中调用至少一次，以解决在Form.Show()时，出现不能找到或加载前面缺失的程序集B的问题。
// 如果不想通过 AssemblyResolve 来加载缺失的程序集的话，可以在 AddinManager 中自行设计代码，手动在 Execute() 方法之前将要引用的程序集从临时文件夹中通过 Assembly.LoadFile() 进行加载即可。
// var exCommand = exCommandIns as ICADExCommand;
// res = exCommand.Execute(impliedSelection, errorMessage: ref errorMessage, elementSet: ref errorSet);
}
catch (Exception ex)
{
if (string.IsNullOrEmpty(errorMessage))
{
errorMessage = GetDebugMessage(ex); // ex.Message;
}
else
{
errorMessage = errorMessage + "\n\r--------------------------------------------\n\r"
+ GetDebugMessage(ex); // ex.Message;
}
res = ExternalCommandResult.Failed;
}
// 对命令的结果进行处理
switch (res)
{
case ExternalCommandResult.Failed:
{
// 选择出错的单元格
if (errorSet != null)
{
StringBuilder errorIds = new StringBuilder();
foreach (var id in errorSet)
{
errorIds.AppendLine(id.ObjectClass.Name);
}
errorMessage += "\r\n出错对象：\r\n " + errorIds.ToString();
}
// MessageBox.Show(errorMessage, @"外部命令执行出错", MessageBoxButtons.OK, MessageBoxIcon.Error);
break;
}
case ExternalCommandResult.Cancelled:
{
// 由于没有在CAD中没有事务或者回滚，所以直接结束就可以了。
break;
}
case ExternalCommandResult.Succeeded:
{
break;
}
}
return(res);
}