InstallerCollection.Contains(Installer) Método
Definición
Importante
Parte de la información hace referencia a la versión preliminar del producto, que puede haberse modificado sustancialmente antes de lanzar la versión definitiva. Microsoft no otorga ninguna garantía, explícita o implícita, con respecto a la información proporcionada aquí.
Determina si el instalador especificado está incluido en la colección.
public:
bool Contains(System::Configuration::Install::Installer ^ value);
public bool Contains (System.Configuration.Install.Installer value);
member this.Contains : System.Configuration.Install.Installer -> bool
Public Function Contains (value As Installer) As Boolean
Parámetros
Devoluciones
Es true
si el instalador especificado está en esta colección; en caso contrario, es false
.
Ejemplos
En el ejemplo siguiente se muestra el método, Contains el Remove método y IndexOf el método de la InstallerCollection clase . AssemblyInstaller Crea instancias para MyAssembly1.exe
y MyAssembly2.exe
. Estas instancias se agregan a .TransactedInstaller MyAssembly2.exe
a continuación, se quita de InstallerCollection de .TransactedInstaller El proceso de instalación inicia e instala solo MyAssembly1.exe
.
TransactedInstaller^ myTransactedInstaller = gcnew TransactedInstaller;
AssemblyInstaller^ myAssemblyInstaller1;
AssemblyInstaller^ myAssemblyInstaller2;
InstallContext^ myInstallContext;
// Create a instance of 'AssemblyInstaller' that installs 'MyAssembly1.exe'.
myAssemblyInstaller1 = gcnew AssemblyInstaller( "MyAssembly1.exe",nullptr );
// Add the instance of 'AssemblyInstaller' to the 'TransactedInstaller'.
myTransactedInstaller->Installers->Insert( 0, myAssemblyInstaller1 );
// Create a instance of 'AssemblyInstaller' that installs 'MyAssembly2.exe'.
myAssemblyInstaller2 = gcnew AssemblyInstaller( "MyAssembly2.exe",nullptr );
// Add the instance of 'AssemblyInstaller' to the 'TransactedInstaller'.
myTransactedInstaller->Installers->Insert( 1, myAssemblyInstaller2 );
// Remove the 'myAssemblyInstaller2' from the 'Installers' collection.
if ( myTransactedInstaller->Installers->Contains( myAssemblyInstaller2 ) )
{
Console::WriteLine( "\nInstaller at index : {0} is being removed", myTransactedInstaller->Installers->IndexOf( myAssemblyInstaller2 ) );
myTransactedInstaller->Installers->Remove( myAssemblyInstaller2 );
}
TransactedInstaller myTransactedInstaller = new TransactedInstaller();
AssemblyInstaller myAssemblyInstaller1;
AssemblyInstaller myAssemblyInstaller2;
InstallContext myInstallContext;
// Create a instance of 'AssemblyInstaller' that installs 'MyAssembly1.exe'.
myAssemblyInstaller1 =
new AssemblyInstaller("MyAssembly1.exe", null);
// Add the instance of 'AssemblyInstaller' to the 'TransactedInstaller'.
myTransactedInstaller.Installers.Insert(0, myAssemblyInstaller1);
// Create a instance of 'AssemblyInstaller' that installs 'MyAssembly2.exe'.
myAssemblyInstaller2 =
new AssemblyInstaller("MyAssembly2.exe", null);
// Add the instance of 'AssemblyInstaller' to the 'TransactedInstaller'.
myTransactedInstaller.Installers.Insert(1, myAssemblyInstaller2);
// Remove the 'myAssemblyInstaller2' from the 'Installers' collection.
if(myTransactedInstaller.Installers.Contains(myAssemblyInstaller2))
{
Console.WriteLine("\nInstaller at index : {0} is being removed",
myTransactedInstaller.Installers.IndexOf(myAssemblyInstaller2));
myTransactedInstaller.Installers.Remove(myAssemblyInstaller2);
}
Dim myTransactedInstaller As New TransactedInstaller()
Dim myAssemblyInstaller1 As AssemblyInstaller
Dim myAssemblyInstaller2 As AssemblyInstaller
Dim myInstallContext As InstallContext
' Create a instance of 'AssemblyInstaller' that installs 'MyAssembly1.exe'.
myAssemblyInstaller1 = New AssemblyInstaller("MyAssembly1.exe", Nothing)
' Add the instance of 'AssemblyInstaller' to the 'TransactedInstaller'.
myTransactedInstaller.Installers.Insert(0, myAssemblyInstaller1)
' Create a instance of 'AssemblyInstaller' that installs 'MyAssembly2.exe'.
myAssemblyInstaller2 = New AssemblyInstaller("MyAssembly2.exe", Nothing)
' Add the instance of 'AssemblyInstaller' to the 'TransactedInstaller'.
myTransactedInstaller.Installers.Insert(1, myAssemblyInstaller2)
' Remove the 'myAssemblyInstaller2' from the 'Installers' collection.
If myTransactedInstaller.Installers.Contains(myAssemblyInstaller2) Then
Console.WriteLine(ControlChars.Newline + "Installer at index : {0} is being removed", _
myTransactedInstaller.Installers.IndexOf(myAssemblyInstaller2))
myTransactedInstaller.Installers.Remove(myAssemblyInstaller2)
End If