FontFamily.IsStyleAvailable(FontStyle) 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
指示指定的 FontStyle 列舉是否可以使用。
public:
bool IsStyleAvailable(System::Drawing::FontStyle style);
public bool IsStyleAvailable (System.Drawing.FontStyle style);
member this.IsStyleAvailable : System.Drawing.FontStyle -> bool
Public Function IsStyleAvailable (style As FontStyle) As Boolean
參數
傳回
如果指定的 FontStyle 可供使用,則為 true
,否則為 false
。
範例
下列程式碼範例的設計目的是要與Windows Forms搭配使用,而且需要 PaintEventArgse
,這是事件處理常式的參數 Paint 。 此程式碼會執行下列動作:
建立 FontFamily。
測試字型系列是否可在斜體字型中使用。
如果是,則會將文字繪製到畫面。
public:
void IsStyleAvailable_Example( PaintEventArgs^ e )
{
// Create a FontFamily object.
FontFamily^ myFontFamily = gcnew FontFamily( "Arial" );
// Test whether myFontFamily is available in Italic.
if ( myFontFamily->IsStyleAvailable( FontStyle::Italic ) )
{
// Create a Font object using myFontFamily.
System::Drawing::Font^ familyFont = gcnew System::Drawing::Font( myFontFamily,16,FontStyle::Italic );
// Use familyFont to draw text to the screen.
e->Graphics->DrawString( myFontFamily->Name + " is available in Italic",
familyFont, Brushes::Black, PointF(0,0) );
}
}
public void IsStyleAvailable_Example(PaintEventArgs e)
{
// Create a FontFamily object.
FontFamily myFontFamily = new FontFamily("Arial");
// Test whether myFontFamily is available in Italic.
if(myFontFamily.IsStyleAvailable(FontStyle.Italic))
{
// Create a Font object using myFontFamily.
Font familyFont = new Font(myFontFamily, 16, FontStyle.Italic);
// Use familyFont to draw text to the screen.
e.Graphics.DrawString(
myFontFamily.Name + " is available in Italic",
familyFont,
Brushes.Black,
new PointF(0, 0));
}
}
Public Sub IsStyleAvailable_Example(ByVal e As PaintEventArgs)
' Create a FontFamily object.
Dim myFontFamily As New FontFamily("Arial")
' Test whether myFontFamily is available in Italic.
If myFontFamily.IsStyleAvailable(FontStyle.Italic) Then
' Create a Font object using myFontFamily.
Dim familyFont As New Font(myFontFamily, 16, FontStyle.Italic)
' Use familyFont to draw text to the screen.
e.Graphics.DrawString(myFontFamily.Name & _
" is available in Italic", familyFont, Brushes.Black, _
New PointF(0, 0))
End If
End Sub
適用於
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