FormattedText.SetForegroundBrush Metode
Definisi
Penting
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Mengubah kuas latar depan yang digunakan untuk menggambar teks.
Overload
| Nama | Deskripsi |
|---|---|
| SetForegroundBrush(Brush, Int32, Int32) |
Mengubah latar depan Brush untuk teks tertentu dalam FormattedText objek. |
| SetForegroundBrush(Brush) |
Mengubah latar depan Brush untuk seluruh FormattedText objek. |
SetForegroundBrush(Brush, Int32, Int32)
Mengubah latar depan Brush untuk teks tertentu dalam FormattedText objek.
public:
void SetForegroundBrush(System::Windows::Media::Brush ^ foregroundBrush, int startIndex, int count);
public void SetForegroundBrush(System.Windows.Media.Brush foregroundBrush, int startIndex, int count);
member this.SetForegroundBrush : System.Windows.Media.Brush * int * int -> unit
Public Sub SetForegroundBrush (foregroundBrush As Brush, startIndex As Integer, count As Integer)
Parameter
- foregroundBrush
- Brush
Kuas yang digunakan untuk latar depan teks.
- startIndex
- Int32
Indeks awal karakter awal untuk menerapkan kuas latar depan.
- count
- Int32
Jumlah karakter untuk menerapkan kuas latar depan.
Contoh
Contoh berikut membuat FormattedText objek lalu menerapkan beberapa gaya pemformatan ke teks, termasuk SetForegroundBrush.
protected override void OnRender(DrawingContext drawingContext)
{
string testString = "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor";
// Create the initial formatted text string.
FormattedText formattedText = new FormattedText(
testString,
CultureInfo.GetCultureInfo("en-us"),
FlowDirection.LeftToRight,
new Typeface("Verdana"),
32,
Brushes.Black);
// Set a maximum width and height. If the text overflows these values, an ellipsis "..." appears.
formattedText.MaxTextWidth = 300;
formattedText.MaxTextHeight = 240;
// Use a larger font size beginning at the first (zero-based) character and continuing for 5 characters.
// The font size is calculated in terms of points -- not as device-independent pixels.
formattedText.SetFontSize(36 * (96.0 / 72.0), 0, 5);
// Use a Bold font weight beginning at the 6th character and continuing for 11 characters.
formattedText.SetFontWeight(FontWeights.Bold, 6, 11);
// Use a linear gradient brush beginning at the 6th character and continuing for 11 characters.
formattedText.SetForegroundBrush(
new LinearGradientBrush(
Colors.Orange,
Colors.Teal,
90.0),
6, 11);
// Use an Italic font style beginning at the 28th character and continuing for 28 characters.
formattedText.SetFontStyle(FontStyles.Italic, 28, 28);
// Draw the formatted text string to the DrawingContext of the control.
drawingContext.DrawText(formattedText, new Point(10, 0));
}
Protected Overrides Sub OnRender(ByVal drawingContext As DrawingContext)
Dim testString As String = "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor"
' Create the initial formatted text string.
Dim formattedText As New FormattedText(testString, CultureInfo.GetCultureInfo("en-us"), FlowDirection.LeftToRight, New Typeface("Verdana"), 32, Brushes.Black)
' Set a maximum width and height. If the text overflows these values, an ellipsis "..." appears.
formattedText.MaxTextWidth = 300
formattedText.MaxTextHeight = 240
' Use a larger font size beginning at the first (zero-based) character and continuing for 5 characters.
' The font size is calculated in terms of points -- not as device-independent pixels.
formattedText.SetFontSize(36 * (96.0 / 72.0), 0, 5)
' Use a Bold font weight beginning at the 6th character and continuing for 11 characters.
formattedText.SetFontWeight(FontWeights.Bold, 6, 11)
' Use a linear gradient brush beginning at the 6th character and continuing for 11 characters.
formattedText.SetForegroundBrush(New LinearGradientBrush(Colors.Orange, Colors.Teal, 90.0), 6, 11)
' Use an Italic font style beginning at the 28th character and continuing for 28 characters.
formattedText.SetFontStyle(FontStyles.Italic, 28, 28)
' Draw the formatted text string to the DrawingContext of the control.
drawingContext.DrawText(formattedText, New Point(10, 0))
End Sub
Keterangan
Untuk mengatur kuas latar depan untuk seluruh string teks, gunakan metode .SetForegroundBrush
Berlaku untuk
SetForegroundBrush(Brush)
Mengubah latar depan Brush untuk seluruh FormattedText objek.
public:
void SetForegroundBrush(System::Windows::Media::Brush ^ foregroundBrush);
public void SetForegroundBrush(System.Windows.Media.Brush foregroundBrush);
member this.SetForegroundBrush : System.Windows.Media.Brush -> unit
Public Sub SetForegroundBrush (foregroundBrush As Brush)
Parameter
- foregroundBrush
- Brush
Kuas yang digunakan untuk latar depan teks.
Keterangan
Metode ini mengatur kuas latar depan untuk seluruh string teks. Untuk mengatur kuas latar depan untuk subset string teks, gunakan SetForegroundBrush(Brush, Int32, Int32) metode .