如何使用C#编程来检查OpenOffice是否已安装
public bool isOpenofficeInstalled()
{
//The registry key:
string SoftwareKey = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall";
using (RegistryKey rk = Registry.LocalMachine.OpenSubKey(SoftwareKey))
{
bool flag = false;
//Let's go through the registry keys and get the info we need:
foreach (string skName in rk.GetSubKeyNames())
{
using (RegistryKey sk = rk.OpenSubKey(skName))
{
try
{
//If the key has value, continue, if not, skip it:
// if (((sk.GetValue("DisplayName")).ToString() == "OpenOffice.org 3.2"))
if((sk.GetValue("DisplayName")).ToString() == "OpenOffice.org 3.2")
{
flag = true;
////install location ?
//if (sk.GetValue("InstallLocation") == null)
// Software += sk.GetValue("DisplayName") + " - Install path not known\n"; //Nope, not here.
//else
// Software += sk.GetValue("DisplayName") + " - " + sk.GetValue("InstallLocation") + "\n"; //Yes, here it is...
}
}
catch (Exception)
{
}
}
}
return flag;
}
}
public bool IsOpenOfficeInstalled(){
前面加上4个空格,使其成为代码的一部分。 - Alex Essilfie(这是VB.NET)
Dim odt = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey(".odt")
Dim linkedValue = odt.GetValue("")
Dim linkedKey = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey(linkedValue)
Dim openWith = linkedKey.OpenSubKey("Shell\Open\Command").GetValue("")
Dim O As String = CStr(openWith)
If O.Contains("swriter.exe") Then
// proceed with code
Else
// error message
End If
和其他语言一样吗?在文件系统中搜索已知位置以查找启动OpenOffice的可执行文件?检查库?解析“which openoffice”的输出?
有很多选项,我认为大多数选项都不可靠。