void IInitializeWithFile.Initialize(string filePath, Shell.AccessModes fileMode)
{
var preview = this as IPreviewFromFile;
if (preview == null)
{
throw new InvalidOperationException(
string.Format(System.Globalization.CultureInfo.InvariantCulture,
LocalizedMessages.PreviewHandlerUnsupportedInterfaceCalled,
"IPreviewFromFile"));
}
preview.Load(new FileInfo(filePath));
}
void IInitializeWithItem.Initialize(object shellItem, Shell.AccessModes accessMode)
{
var preview = this as IPreviewFromShellObject;
if (preview == null)
{
throw new InvalidOperationException(
string.Format(System.Globalization.CultureInfo.InvariantCulture,
LocalizedMessages.PreviewHandlerUnsupportedInterfaceCalled,
"IPreviewFromShellObject"));
}
using (var shellObject = Shell.ShellObjectFactory.Create((IShellItem)shellItem))
{
preview.Load(shellObject);
}
}
void IInitializeWithStream.Initialize(System.Runtime.InteropServices.ComTypes.IStream stream, Shell.AccessModes fileMode)
{
var preview = this as IPreviewFromStream;
if (preview == null)
{
throw new InvalidOperationException(
string.Format(System.Globalization.CultureInfo.InvariantCulture,
LocalizedMessages.PreviewHandlerUnsupportedInterfaceCalled,
"IPreviewFromStream"));
}
using (var storageStream = new StorageStream(stream, fileMode != Shell.AccessModes.ReadWrite))
{
preview.Load(storageStream);
}
}
void IInitializeWithFile.Initialize(string filePath, Shell.AccessModes fileMode)
{
_info = new FileInfo(filePath);
}
void IInitializeWithItem.Initialize(Shell.IShellItem shellItem, Shell.AccessModes accessMode)
{
_shellObject = ShellObjectFactory.Create(shellItem);
}
void IInitializeWithStream.Initialize(System.Runtime.InteropServices.ComTypes.IStream stream, Shell.AccessModes fileMode)
{
_stream = new StorageStream(stream, fileMode != Shell.AccessModes.ReadWrite);
}
void IInitializeWithItem.Initialize(object shellItem, Shell.AccessModes accessMode) => _shellObject = ShellObjectFactory.Create((IShellItem)shellItem);
