C # determine whether a software has been installed for implementation code sharing

C # determine whether a software has been installed for implementation code sharing

This article mainly introduces C # To determine whether a software has been installed with the implementation code. This article provides the implementation code directly. For more information, see

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Private void button#click (object sender, EventArgs e) { If (checkAdobeReader () = true) { MessageBox. Show ("installed Adobe Reader "); } Else { MessageBox. Show ("no installed Adobe Reader "); } } /// <Summary> /// Confirm whether there is an android Adobe Reader /// </Summary> /// <Returns> true: Security enabled; false: Security enabled </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; }