/// <summary>
/// Initialize a new instance of the <see cref="ShellPropertyWriter" /> class
/// to the specified <see cref="ShellObject" />.
/// </summary>
/// <param name="shellObject"></param>
internal ShellPropertyWriter(ShellObject shellObject)
{
Contract.Requires <ArgumentNullException>(shellObject != null);
try
{
this.Store = ShellPropertyStore.CreateWritable(shellObject);
}
catch (InvalidComObjectException e)
{
throw new ShellException(ErrorMessages.ShellPropertyUnableToGetWritableProperty, e);
}
catch (InvalidCastException)
{
throw new ShellException(ErrorMessages.ShellPropertyUnableToGetWritableProperty);
}
}
/// <summary>
/// Clear property value.
/// </summary>
public void ClearValue()
{
try
{
using (var writableStore = ShellPropertyStore.CreateWritable(this.ShellObject))
{
writableStore.ClearValue(this.PropertyKey);
writableStore.Commit();
}
}
catch (InvalidComObjectException e)
{
throw new ShellException(ErrorMessages.ShellPropertyUnableToGetWritableProperty, e);
}
catch (InvalidCastException e)
{
throw new ShellException(ErrorMessages.ShellPropertyUnableToGetWritableProperty, e);
}
}
