InstallerCollection.Contains(Installer) Metode
Definisi
Penting
Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.
Menentukan apakah alat penginstal yang ditentukan disertakan dalam koleksi.
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
Parameter
Mengembalikan
true
jika alat penginstal yang ditentukan ada dalam koleksi ini; jika tidak, false
.
Contoh
Contoh berikut menunjukkan Remove metode, Contains metode, dan IndexOf metode InstallerCollection kelas . Ini membuat AssemblyInstaller instans untuk MyAssembly1.exe
dan MyAssembly2.exe
. Instans ini ditambahkan ke TransactedInstaller. MyAssembly2.exe
kemudian dihapus dari InstallerCollection dari TransactedInstaller. Proses penginstalan dimulai dan hanya MyAssembly1.exe
menginstal .
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
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