IFeatureSupport.GetVersionPresent(Object) 메서드

정의

네임스페이스:

System.Windows.Forms

어셈블리:

System.Windows.Forms.dll

Source:

IFeatureSupport.cs

지정된 기능의 버전을 검색합니다.

public:
 Version ^ GetVersionPresent(System::Object ^ feature);

public Version? GetVersionPresent(object feature);

abstract member GetVersionPresent : obj -> Version

Public Function GetVersionPresent (feature As Object) As Version

매개 변수

feature

Object

버전이 요청된 기능입니다.

반품

Version

Version 지정된 기능의 버전 번호를 나타내는 값이거나 null 기능이 설치되지 않은 경우

예제

다음 예제에서는 기능에 대한 구현 OSFeature 및 쿼리를 IFeatureSupport 사용합니다LayeredWindows. 버전이 있는지 확인 null하여 기능이 있는지 확인합니다. 결과는 텍스트 상자에 표시됩니다. 이 코드는 양식에 textBox1 만들어지고 배치되었다고 가정합니다.

private:
   void LayeredWindows()
   {
      // Gets the version of the layered windows feature.
      Version^ myVersion = OSFeature::Feature->GetVersionPresent(
         OSFeature::LayeredWindows );
      
      // Prints whether the feature is available.
      if ( myVersion != nullptr )
      {
         textBox1->Text = "Layered windows feature is installed.\n";
      }
      else
      {
         textBox1->Text = "Layered windows feature is not installed.\n";
      }

      
      // This is an alternate way to check whether a feature is present.
      if ( OSFeature::Feature->IsPresent( OSFeature::LayeredWindows ) )
      {
         textBox1->Text = String::Concat( textBox1->Text,
            "Again, layered windows feature is installed." );
      }
      else
      {
         textBox1->Text = String::Concat( textBox1->Text,
            "Again, layered windows feature is not installed." );
      }
   }

private void LayeredWindows() {
   // Gets the version of the layered windows feature.
   Version myVersion = OSFeature.Feature.GetVersionPresent(OSFeature.LayeredWindows);

   // Prints whether the feature is available.
   if (myVersion != null)
      textBox1.Text = "Layered windows feature is installed." + '\n';
   else
      textBox1.Text = "Layered windows feature is not installed." + '\n';

   // This is an alternate way to check whether a feature is present.
   if (OSFeature.Feature.IsPresent(OSFeature.LayeredWindows))
      textBox1.Text += "Again, layered windows feature is installed.";
   else
      textBox1.Text += "Again, layered windows feature is not installed.";
}

Private Sub LayeredWindows()
    ' Gets the version of the layered windows feature.
    Dim myVersion As Version = _
       OSFeature.Feature.GetVersionPresent(OSFeature.LayeredWindows)
       
    ' Prints whether the feature is available.
    If (myVersion IsNot Nothing) Then
        textBox1.Text = "Layered windows feature is installed." & _
           ControlChars.CrLf
    Else
        textBox1.Text = "Layered windows feature is not installed." & _
           ControlChars.CrLf
    End If 
    'This is an alternate way to check whether a feature is present.
    If OSFeature.Feature.IsPresent(OSFeature.LayeredWindows) Then
        textBox1.Text &= "Again, layered windows feature is installed."
    Else
        textBox1.Text &= "Again, layered windows feature is not installed."
    End If
End Sub

설명

이 메서드의 구현은 다음을 참조하세요 GetVersionPresent.

추가 정보

• GetVersionPresent(Object)
• OSFeature
• FeatureSupport