public static bool NetFrameworkInstalled(NETFX version, int sp_level)
{
bool result = false;
string regPath = "";
switch (version)
{
case NETFX.v20:
regPath = REG_NETFX20;
break;
case NETFX.v30:
regPath = REG_NETFX30;
break;
case NETFX.v35:
regPath = REG_NETFX35;
break;
case NETFX.v40:
regPath = REG_NETFX40;
break;
default:
return(false);
}
try
{
RegistryKey key = Registry.LocalMachine;
key = key.OpenSubKey(regPath);
if (key == null)
{
return(false);
}
// check if installed
object value = key.GetValue(REG_VAL_INSTALLED);
if (value != null)
{
if (int.Parse(value.ToString()) == 1)
{
result = true;
}
}
// check if SP level is equal to/higher than requested
if (result && (sp_level > 0))
{
value = key.GetValue(REG_VAL_SP);
if (value != null)
{
result = (int.Parse(value.ToString()) >= sp_level);
}
}
}
catch (Exception ex)
{
result = false;
System.Windows.Forms.MessageBox.Show(
"An error occured while checking if the .NET Framework " + version.ToString() + " is installed"
+ Environment.NewLine + Environment.NewLine + ex.ToString(),
"Error",
System.Windows.Forms.MessageBoxButtons.OK,
System.Windows.Forms.MessageBoxIcon.Error);
}
return(result);
}
public static bool NetFrameworkInstalled(NETFX version, int sp_level)
{
bool result = false;
string regPath = "";
switch (version)
{
case NETFX.v20:
regPath = REG_NETFX20;
break;
case NETFX.v30:
regPath = REG_NETFX30;
break;
case NETFX.v35:
regPath = REG_NETFX35;
break;
case NETFX.v40:
regPath = REG_NETFX40;
break;
default:
return false;
}
try
{
RegistryKey key = Registry.LocalMachine;
key = key.OpenSubKey(regPath);
if (key == null)
return false;
// check if installed
object value = key.GetValue(REG_VAL_INSTALLED);
if (value != null)
if (int.Parse(value.ToString()) == 1)
result = true;
// check if SP level is equal to/higher than requested
if (result && (sp_level > 0))
{
value = key.GetValue(REG_VAL_SP);
if (value != null)
result = (int.Parse(value.ToString()) >= sp_level);
}
}
catch (Exception ex)
{
result = false;
System.Windows.Forms.MessageBox.Show(
"An error occured while checking if the .NET Framework " + version.ToString() + " is installed"
+ Environment.NewLine + Environment.NewLine + ex.ToString(),
"Error",
System.Windows.Forms.MessageBoxButtons.OK,
System.Windows.Forms.MessageBoxIcon.Error);
}
return result;
}
public static bool NetFrameworkInstalled(NETFX version)
{
return(NetFrameworkInstalled(version, 0));
}
public static bool NetFrameworkInstalled(NETFX version)
{
return NetFrameworkInstalled(version, 0);
}
