語言

Font.FromHfont(IntPtr) 方法

定義

從指定的 Windows 帳號建立一個 Font 。

public:
 static System::Drawing::Font ^ FromHfont(IntPtr hfont);
public static System.Drawing.Font FromHfont(IntPtr hfont);
static member FromHfont : nativeint -> System.Drawing.Font
Public Shared Function FromHfont (hfont As IntPtr) As Font

參數

hfont
IntPtr

nativeint

一個 Windows 的 handle 轉成 GDI 字型。

傳回

Font這種方法會產生。

例外狀況

hfont 指向一個不是 TrueType 字型的物件。

範例

以下程式碼範例是為 Windows Forms 設計的,並需要 PaintEventArgse,這是 Paint 事件處理程序的參數。 此程式碼會執行下列動作:

  • 有了 GDI 字體的名稱。

  • 從那個把手產生 a Font 。

  • 使用新的 Font.

private:
   [System::Runtime::InteropServices::DllImportAttribute("gdi32.dll")]
   static IntPtr GetStockObject( int fnObject );

public:
   void FromHfont_Example( PaintEventArgs^ e )
   {
      // Get a handle for a GDI font.
      IntPtr hFont = GetStockObject( 17 );

      // Create a Font object from hFont.
      System::Drawing::Font^ hfontFont = System::Drawing::Font::FromHfont( hFont );

      // Use hfontFont to draw text to the screen.
      e->Graphics->DrawString( "This font is from a GDI HFONT", hfontFont, Brushes::Black, 0, 0 );
   }
[System.Runtime.InteropServices.DllImportAttribute("gdi32.dll")]
private static extern IntPtr GetStockObject(int fnObject);
public void FromHfont_Example(PaintEventArgs e)
{
             
    // Get a handle for a GDI font.
    IntPtr hFont = GetStockObject(0);
             
    // Create a Font object from hFont.
    Font hfontFont = Font.FromHfont(hFont);
             
    // Use hfontFont to draw text to the screen.
    e.Graphics.DrawString(
        "This font is from a GDI HFONT", hfontFont,Brushes.Black, 
        0, 0);
}
<System.Runtime.InteropServices.DllImportAttribute("GDI32.DLL")> _
Private Shared Function GetStockObject(ByVal fnObject As Integer) As IntPtr
End Function
Public Sub FromHfont_Example(ByVal e As PaintEventArgs)

    ' Get a handle for a GDI font.
    Dim hFont As IntPtr = GetStockObject(17)

    ' Create a Font object from hFont.
    Dim hfontFont As Font = Font.FromHfont(hFont)

    ' Use hfontFont to draw text to the screen.
    e.Graphics.DrawString("This font is from a GDI HFONT", hfontFont, _
    Brushes.Black, 0, 0)
End Sub

適用於