check program installed c#
public static bool checkInstalled (string c_name)
{
string displayName;
string registryKey = @"SOFTWAREMicrosoftWindowsCurrentVersionUninstall";
RegistryKey key = Registry.LocalMachine.OpenSubKey(registryKey);
if (key != null)
{
foreach (RegistryKey subkey in key.GetSubKeyNames().Select(keyName => key.OpenSubKey(keyName)))
{
displayName = subkey.GetValue("DisplayName") as string;
if (displayName != null && displayName.Contains(c_name))
{
return true;
}
}
key.Close();
}
registryKey = @"SOFTWAREWow6432NodeMicrosoftWindowsCurrentVersionUninstall";
key = Registry.LocalMachine.OpenSubKey(registryKey);
if (key != null)
{
foreach (RegistryKey subkey in key.GetSubKeyNames().Select(keyName => key.OpenSubKey(keyName)))
{
displayName = subkey.GetValue("DisplayName") as string;
if (displayName != null && displayName.Contains(c_name))
{
return true;
}
}
key.Close();
}
return false;
}