對於uninstall.exe，需要用到安裝類
建議在msdn裏面搜索 uninstall
---------
Installer.Uninstall 方法
在派生類中重寫時，移除安裝。
-------------
[C#]
// Override 'Uninstall' method of Installer class.
public override void Uninstall( IDictionary mySavedState )
{
if (mySavedState == null)
{
Console.WriteLine("Uninstallation Error !");
}
else
{
base.Uninstall( mySavedState );
Console.WriteLine( "The Uninstall method of 'MyInstallerSample' has been called" );
}
}