/// <summary>
/// Gets a new HostSurface and loads it with the appropriate type of
/// root component.
/// </summary>
private HostControl GetNewHost(Type rootComponentType)
{
HostSurface hostSurface = (HostSurface)CreateDesignSurface(ServiceContainer);
if (ReferenceEquals(rootComponentType, typeof(Form)))
{
hostSurface.BeginLoad(typeof(Form));
}
else if (ReferenceEquals(rootComponentType, typeof(UserControl)))
{
hostSurface.BeginLoad(typeof(UserControl));
}
else if (ReferenceEquals(rootComponentType, typeof(Component)))
{
hostSurface.BeginLoad(typeof(Component));
}
else if (ReferenceEquals(rootComponentType, typeof(MyTopLevelComponent)))
{
hostSurface.BeginLoad(typeof(MyTopLevelComponent));
}
else
{
throw new Exception("Undefined Host Type: " + rootComponentType.ToString());
}
hostSurface.Initialize();
ActiveDesignSurface = hostSurface;
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 (Equals(fileName, null) || !File.Exists(fileName))
{
MessageBox.Show("FileName is incorrect: " + fileName);
}
var loaderType = LoaderType.NoLoader;
if (fileName.EndsWith("osm"))
{
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)CreateDesignSurface(ServiceContainer);
IDesignerHost host = (IDesignerHost)hostSurface.GetService(typeof(IDesignerHost));
//
var basicHostLoader = new Loader.BasicHostLoader(fileName);
hostSurface.BeginLoad(basicHostLoader);
hostSurface.Loader = basicHostLoader;
hostSurface.Initialize();
return(new HostControl(hostSurface));
}
internal HostControl(HostSurface hostSurface)
{
base.Load += HostControl_Load;
// This call is required by the Windows.Forms Form Designer.
InitializeComponent();
InitializeHost(hostSurface);
}
internal void InitializeHost(HostSurface hostSurface)
{
try
{
if (hostSurface is null)
return;
_hostSurface = hostSurface;
Control Control = _hostSurface.View as Control;
Control.Parent = this;
Control.Dock = DockStyle.Fill;
Control.Visible = true;
Control.ContextMenuStrip = ContextMenuStrip1;
}
catch (Exception ex)
{
Trace.WriteLine(ex.ToString());
}
}
/// <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)CreateDesignSurface(ServiceContainer);
IDesignerHost host = (IDesignerHost)hostSurface.GetService(typeof(IDesignerHost));
switch (loaderType)
{
case LoaderType.BasicDesignerLoader:
{
var basicHostLoader = new Loader.BasicHostLoader(rootComponentType);
hostSurface.BeginLoad(basicHostLoader);
hostSurface.Loader = basicHostLoader;
break;
}
case LoaderType.CodeDomDesignerLoader:
{
var codeDomHostLoader = new Loader.CodeDomHostLoader();
hostSurface.BeginLoad(codeDomHostLoader);
hostSurface.Loader = codeDomHostLoader;
break;
}
default:
{
throw new Exception("Loader is not defined: " + loaderType.ToString());
break;
}
}
hostSurface.Initialize();
return(new HostControl(hostSurface));
}
