/// <summary>
/// Gets a new HostSurface and loads it with the appropriate type of
/// root component. Uses the appropriate Loader to load the HostSurface.
/// </summary>
public HostControl GetNewHost(Type rootComponentType, LoaderType loaderType)
{
if (loaderType == LoaderType.NoLoader)
{
return(GetNewHost(rootComponentType));
}
HostSurface hostSurface = (HostSurface)this.CreateDesignSurface(this.ServiceContainer);
IDesignerHost host = (IDesignerHost)hostSurface.GetService(typeof(IDesignerHost));
switch (loaderType)
{
case LoaderType.BasicDesignerLoader:
BasicHostLoader basicHostLoader = new BasicHostLoader(rootComponentType);
hostSurface.BeginLoad(basicHostLoader);
hostSurface.Loader = basicHostLoader;
break;
case LoaderType.CodeDomDesignerLoader:
CodeDomHostLoader codeDomHostLoader = new CodeDomHostLoader();
hostSurface.BeginLoad(codeDomHostLoader);
hostSurface.Loader = codeDomHostLoader;
break;
default:
throw new Exception("Loader is not defined: " + loaderType.ToString());
}
hostSurface.Initialize();
return(new HostControl(hostSurface));
}
/// <summary>
/// Opens an Xml file and loads it up using BasicHostLoader (inherits from
/// BasicDesignerLoader)
/// </summary>
public HostControl GetNewHost(string fileName)
{
if (fileName == null || !File.Exists(fileName))
{
MessageBox.Show("FileName is incorrect: " + fileName);
}
LoaderType loaderType = LoaderType.NoLoader;
if (fileName.EndsWith("xml"))
{
loaderType = LoaderType.BasicDesignerLoader;
}
if (loaderType == LoaderType.NoLoader || loaderType == LoaderType.CodeDomDesignerLoader)
{
throw new Exception("File cannot be opened. Please check the type or extension of the file. Supported format is Xml");
}
HostSurface hostSurface = (HostSurface)this.CreateDesignSurface(this.ServiceContainer);
IDesignerHost host = (IDesignerHost)hostSurface.GetService(typeof(IDesignerHost));
BasicHostLoader basicHostLoader = new BasicHostLoader(fileName);
hostSurface.BeginLoad(basicHostLoader);
hostSurface.Loader = basicHostLoader;
hostSurface.Initialize();
return(new HostControl(hostSurface));
}
/// <summary>
/// Gets a new HostSurface and loads it with the appropriate type of
/// root component.
/// </summary>
private HostControl GetNewHost(Type rootComponentType)
{
HostSurface hostSurface = (HostSurface)this.CreateDesignSurface(this.ServiceContainer);
if (rootComponentType == typeof(Form))
{
hostSurface.BeginLoad(typeof(Form));
}
else if (rootComponentType == typeof(UserControl))
{
hostSurface.BeginLoad(typeof(UserControl));
}
else if (rootComponentType == typeof(Component))
{
hostSurface.BeginLoad(typeof(Component));
}
else if (rootComponentType == typeof(MyTopLevelComponent))
{
hostSurface.BeginLoad(typeof(MyTopLevelComponent));
}
else
{
throw new Exception("Undefined Host Type: " + rootComponentType.ToString());
}
hostSurface.Initialize();
this.ActiveDesignSurface = hostSurface;
return(new HostControl(hostSurface));
}
//运行环境载入项目文件时调用的函数
public HostControl LoadNewHost(string fileName)
{
if (fileName == null || !File.Exists(fileName))
{
MessageBox.Show("文件名不正确: " + fileName);
}
LoaderType loaderType = LoaderType.NoLoader;
if (fileName.EndsWith("xml"))
{
loaderType = LoaderType.BasicDesignerLoader;
}
if (loaderType == LoaderType.NoLoader || loaderType == LoaderType.CodeDomDesignerLoader)
{
throw new Exception("文件打不开，请确认后缀名是xml！");
}
HostSurface hostSurface = (HostSurface)this.CreateDesignSurface(this.ServiceContainer);
IDesignerHost host = (IDesignerHost)hostSurface.GetService(typeof(IDesignerHost));
basicHostLoader = new BasicHostLoader(fileName, true);
hostSurface.BeginLoad(basicHostLoader);
hostSurface.Loader = basicHostLoader;
hostSurface.Initialize();
return(new HostControl(hostSurface));
}