Font.ToHfont Font.ToHfont Font.ToHfont Font.ToHfont Method

定義

この Font を識別するハンドルを返します。Returns a handle to this Font.

public:
 IntPtr ToHfont();
public IntPtr ToHfont ();
member this.ToHfont : unit -> nativeint
Public Function ToHfont () As IntPtr

戻り値

この Font を識別する Windows ハンドル。A Windows handle to this Font.

例外

操作が失敗しました。The operation was unsuccessful.

次のコード例を作成、Fontを識別するハンドルを取得し、およびFontします。The following code example creates a Font and then gets a handle to that Font. Windows フォームで使用するため、例の目的は、必要とPaintEventArgseはのパラメーター、Paintイベント ハンドラー。The example is designed for use with Windows Forms, and it requires PaintEventArgse, which is a parameter of the Paint event handler.

   //Reference the GDI DeleteObject method.
public:
   [System::Runtime::InteropServices::DllImport("GDI32.dll")]
   static bool DeleteObject( IntPtr objectHandle );
   void ToHfont_Example( PaintEventArgs^ /*e*/ )
   {
      // Create a Font object.
      System::Drawing::Font^ myFont = gcnew System::Drawing::Font( "Arial",16 );

      // Get a handle to the Font object.
      IntPtr hFont = myFont->ToHfont();

      // Display a message box with the value of hFont.
      MessageBox::Show( hFont.ToString() );

      //Dispose of the hFont.
      DeleteObject( hFont );
   }

//Reference the GDI DeleteObject method.
       [System.Runtime.InteropServices.DllImport("GDI32.dll")]
       public static extern bool DeleteObject(IntPtr objectHandle); 

       public void ToHfont_Example(PaintEventArgs e)
       {
           // Create a Font object.
           Font myFont = new Font("Arial", 16);
                    
           // Get a handle to the Font object.
           IntPtr hFont = myFont.ToHfont();
                    
           // Display a message box with the value of hFont.
           MessageBox.Show(hFont.ToString());
           
           //Dispose of the hFont.
           DeleteObject(hFont);
       }

' Reference the DeleteObject method in the GDI library.
<System.Runtime.InteropServices.DllImportAttribute("GDI32.DLL")> _
Private Shared Function DeleteObject(ByVal objectHandle As IntPtr) As Boolean
End Function

Public Sub ToHfont_Example(ByVal e As PaintEventArgs)

    ' Create a Font object.
    Dim myFont As New Font("Arial", 16)

    ' Get a handle to the Font object.
    Dim hFont As IntPtr = myFont.ToHfont()

    ' Display a message box with the value of hFont.
    MessageBox.Show(hFont.ToString())

    ' Dispose of the hFont.
    DeleteObject(hFont)
End Sub

注釈

このメソッドを使用する場合の結果を破棄する必要がありますHfontを使用して、 GDIGDI DeleteObjectメソッドをリソースが解放されます。When using this method, you must dispose of the resulting Hfont using the GDIGDI DeleteObject method to ensure the resources are released.

セキュリティ

SecurityPermission
アンマネージ コードにアクセスします。for access to unmanaged code. 関連する列挙。 UnmanagedCodeRelated enumeration: UnmanagedCode

適用対象