public static IMEPackage OpenMEPackage(string pathToFile, WPFBase wpfWindow = null, WinFormsBase winForm = null)
{
IMEPackage package = null;
if (!openPackages.ContainsKey(pathToFile))
{
ushort version;
ushort licenseVersion;
using (FileStream fs = new FileStream(pathToFile, FileMode.Open, FileAccess.Read))
{
fs.Seek(4, SeekOrigin.Begin);
version = fs.ReadValueU16();
licenseVersion = fs.ReadValueU16();
}
if (version == ME3Package.VERSION && licenseVersion == ME3Package.LICENSE)
{
package = ME3ConstructorDelegate(pathToFile);
}
else if (version == 512 && licenseVersion == 130)
{
package = ME2ConstructorDelegate(pathToFile);
}
else if (version == 491 && licenseVersion == 1008)
{
package = ME1ConstructorDelegate(pathToFile);
}
else
{
throw new FormatException("Not an ME1, ME2, or ME3 package file.");
}
package.noLongerUsed += Package_noLongerUsed;
openPackages.Add(pathToFile, package);
}
else
{
package = openPackages[pathToFile];
}
if (wpfWindow != null)
{
package.RegisterTool(new GenericWindow(wpfWindow, Path.GetFileName(pathToFile)));
addToPackagesInTools(package);
}
else if (winForm != null)
{
package.RegisterTool(new GenericWindow(winForm, Path.GetFileName(pathToFile)));
addToPackagesInTools(package);
}
else
{
package.RegisterUse();
}
return(package);
}
/// <summary>
/// Opens an already open package, registering it for use in a tool.
/// </summary>
/// <param name="package"></param>
/// <param name="user"></param>
/// <returns></returns>
public static IMEPackage OpenMEPackage(IMEPackage package, IPackageUser user = null)
{
if (user != null)
{
package.RegisterTool(user);
addToPackagesInTools(package);
}
else
{
package.RegisterUse();
}
return(package);
}