ColorBlend 构造函数

Source:

ColorBlend.cs

Source:

ColorBlend.cs

Source:

ColorBlend.cs

Source:

ColorBlend.cs

Source:

ColorBlend.cs

Source:

ColorBlend.cs

Source:

ColorBlend.cs

Source:

ColorBlend.cs

public:
 ColorBlend();

public ColorBlend();

Public Sub New ()

示例

以下示例旨在用于 Windows 窗体环境。 它演示如何将 ColorBlend 类与类结合使用 LinearGradientBrush ，以绘制一个椭圆到已混合其颜色的屏幕。 椭圆是左侧的绿色，混合到黄色，然后混合到蓝色，最后在右侧为红色。 这可以通过在属性中使用的Colors设置myColors和myPositionsPositions数组来完成。 请注意，InterpolationColors命名lgBrush2对象的属性LinearGradientBrush必须等于ColorBlend对象myBlend。

protected:
   virtual void OnPaint( PaintEventArgs^ e ) override
   {
      //Draw ellipse using ColorBlend.
      Point startPoint2 = Point(20,110);
      Point endPoint2 = Point(140,110);
      array<Color>^ myColors =
            {Color::Green,Color::Yellow,Color::Yellow,Color::Blue,Color::Red,Color::Red};
      array<Single>^myPositions = {0.0f,.20f,.40f,.60f,.80f,1.0f};
      ColorBlend^ myBlend = gcnew ColorBlend;
      myBlend->Colors = myColors;
      myBlend->Positions = myPositions;
      LinearGradientBrush^ lgBrush2 =
            gcnew LinearGradientBrush( startPoint2,endPoint2,Color::Green,Color::Red );
      lgBrush2->InterpolationColors = myBlend;
      Rectangle ellipseRect2 = Rectangle(20,110,120,80);
      e->Graphics->FillEllipse( lgBrush2, ellipseRect2 );
   }

protected override void OnPaint(PaintEventArgs e)
{
             
    //Draw ellipse using ColorBlend.
    Point startPoint2 = new Point(20, 110);
    Point endPoint2 = new Point(140, 110);
    Color[] myColors = {Color.Green,
                           Color.Yellow,
                           Color.Yellow,
                           Color.Blue,
                           Color.Red,
                           Color.Red};
    float[] myPositions = {0.0f,.20f,.40f,.60f,.80f,1.0f};
    ColorBlend myBlend = new ColorBlend();
    myBlend.Colors = myColors;
    myBlend.Positions = myPositions;
    LinearGradientBrush lgBrush2 = new LinearGradientBrush(startPoint2,
        endPoint2,
        Color.Green,
        Color.Red);
    lgBrush2.InterpolationColors = myBlend;
    Rectangle ellipseRect2 = new Rectangle(20, 110, 120, 80);
    e.Graphics.FillEllipse(lgBrush2, ellipseRect2);
}

Protected Overrides Sub OnPaint(ByVal e As System.Windows.Forms.PaintEventArgs)
    ' Draw ellipse using ColorBlend.
    Dim startPoint2 As New Point(20, 110)
    Dim endPoint2 As New Point(140, 110)
    Dim myColors As Color() = {Color.Green, Color.Yellow, _
    Color.Yellow, Color.Blue, Color.Red, Color.Red}
    Dim myPositions As Single() = {0.0F, 0.2F, 0.4F, 0.6F, 0.8F, 1.0F}
    Dim myBlend As New ColorBlend
    myBlend.Colors = myColors
    myBlend.Positions = myPositions
    Dim lgBrush2 As New LinearGradientBrush(startPoint2, endPoint2, _
    Color.Green, Color.Red)
    lgBrush2.InterpolationColors = myBlend
    Dim ellipseRect2 As New Rectangle(20, 110, 120, 80)
    e.Graphics.FillEllipse(lgBrush2, ellipseRect2)
End Sub

Source:

ColorBlend.cs

Source:

ColorBlend.cs

Source:

ColorBlend.cs

Source:

ColorBlend.cs

Source:

ColorBlend.cs

Source:

ColorBlend.cs

Source:

ColorBlend.cs

Source:

ColorBlend.cs

public:
 ColorBlend(int count);

public ColorBlend(int count);

new System.Drawing.Drawing2D.ColorBlend : int -> System.Drawing.Drawing2D.ColorBlend

Public Sub New (count As Integer)

参数

示例

有关示例，请参阅 ColorBlend