/// <summary>
/// Restores the state to before the installation.
/// </summary>
/// <param name="state">The installer state.</param>
private void Restore(IDictionary state)
{
string uriPrefix = (string)state[InstallTools.GetStateKey(this, "UriPrefix")];
string account = (string)state[InstallTools.GetStateKey(this, "Account")];
HttpSys.RemovePrefixReservation(uriPrefix, account);
}
/// <summary>
/// Restores the state to before the installation.
/// </summary>
/// <param name="state">The installer state.</param>
private void Restore(IDictionary state)
{
try
{
string keyPath = (string)state[InstallTools.GetStateKey(this, "KeyPath")];
object orgValue = state[InstallTools.GetStateKey(this, "OrgValue")];
if (orgValue == null)
{
RegKey.Delete(keyPath);
}
else if (orgValue is int)
{
RegKey.SetValue(keyPath, (int)orgValue);
}
else if (orgValue is string)
{
RegKey.GetValue(keyPath, (string)orgValue);
}
else
{
throw new InvalidOperationException("RegInstaller works only for REG_DWORD and REG_SZ registry values.");
}
}
catch
{
// I'm going to ignore errors here since it'll often be the case
// that the parent key has already been removed.
}
}
/// <summary>
/// Installs the registry key.
/// </summary>
/// <param name="state">The installer state.</param>
public override void Install(IDictionary state)
{
base.Install(state);
state[InstallTools.GetStateKey(this, "UriPrefix")] = uriPrefix;
state[InstallTools.GetStateKey(this, "Account")] = account;
HttpSys.AddPrefixReservation(uriPrefix, account);
}
/// <summary>
/// Installs the registry key.
/// </summary>
/// <param name="state">The installer state.</param>
public override void Install(IDictionary state)
{
object orgValue;
base.Install(state);
switch (RegKey.GetValueType(keyPath))
{
case WinApi.REG_NONE:
orgValue = null;
break;
case WinApi.REG_DWORD:
orgValue = RegKey.GetValue(keyPath, 0);
break;
case WinApi.REG_SZ:
orgValue = RegKey.GetValue(keyPath, string.Empty);
break;
default:
throw new InvalidOperationException("RegInstaller works only for REG_DWORD and REG_SZ registry values.");
}
state[InstallTools.GetStateKey(this, "KeyPath")] = keyPath;
state[InstallTools.GetStateKey(this, "OrgValue")] = orgValue;
if (strValue != null)
{
RegKey.SetValue(keyPath, strValue);
}
else
{
RegKey.SetValue(keyPath, intValue);
}
}