C#判断某软件是否安装

private void button1_Click(object sender, EventArgs e){ if (checkAdobeReader() == true) { MessageBox.Show("有安裝 Adobe Reader "); } else { MessageBox.Show("沒有安裝 Adobe Reader "); }}/// <summary>/// 確認是否有安裝 Adobe Reader /// </summary>/// <returns>true: 有安裝, false:沒有安裝</returns>private bool checkAdobeReader(){ Microsoft.Win32.RegistryKey uninstallNode = Microsoft.Win32.Registry.LocalMachine.OpenSubKey("SOFTWARE//Microsoft//Windows//CurrentVersion//Uninstall"); foreach (string subKeyName in uninstallNode.GetSubKeyNames()) { Microsoft.Win32.RegistryKey subKey = uninstallNode.OpenSubKey(subKeyName); object displayName = subKey.GetValue("DisplayName"); if (displayName != null) { if (displayName.ToString().Contains("Adobe Reader")) { return true; // MessageBox.Show(displayName.ToString()); } } } return false;}

来自： http://social.msdn.microsoft.com/Forums/zh-CN/233/thread/d809b7b4-dbea-4d0d-825d-348446f29b61