PointF.Subtraction 运算符

定义

按指定大小的负值平移 PointF

重载

Subtraction(PointF, Size)

PointF 平移给定 Size 的负数。

Subtraction(PointF, SizeF)

按指定 PointF 的负值平移 SizeF

Subtraction(PointF, Size)

Source:
PointF.cs
Source:
PointF.cs
Source:
PointF.cs

PointF 平移给定 Size 的负数。

public:
 static System::Drawing::PointF operator -(System::Drawing::PointF pt, System::Drawing::Size sz);
public static System.Drawing.PointF operator - (System.Drawing.PointF pt, System.Drawing.Size sz);
static member ( - ) : System.Drawing.PointF * System.Drawing.Size -> System.Drawing.PointF
Public Shared Operator - (pt As PointF, sz As Size) As PointF

参数

pt
PointF

要平移的 PointF

sz
Size

Size,它指定要从 pt 的坐标中减去的数。

返回

平移后的 PointF

适用于

Subtraction(PointF, SizeF)

Source:
PointF.cs
Source:
PointF.cs
Source:
PointF.cs

按指定 PointF 的负值平移 SizeF

public:
 static System::Drawing::PointF operator -(System::Drawing::PointF pt, System::Drawing::SizeF sz);
public static System.Drawing.PointF operator - (System.Drawing.PointF pt, System.Drawing.SizeF sz);
static member ( - ) : System.Drawing.PointF * System.Drawing.SizeF -> System.Drawing.PointF
Public Shared Operator - (pt As PointF, sz As SizeF) As PointF

参数

pt
PointF

要平移的 PointF

sz
SizeF

SizeF,它指定要从 pt 的坐标中减去的数。

返回

平移后的 PointF

示例

下面的代码示例演示如何使用 Subtraction 运算符。 若要运行此示例,请将以下代码粘贴到 Windows 窗体中。 处理窗体的 Paint 事件并调用 opSubtractionExample,作为 ePaintEventArgs传递。

private void OpSubtractionExample(PaintEventArgs e)
{
    PointF point1 = new PointF(120.5F, 120F);
    SizeF size1 = new SizeF(20.5F, 20.5F);
    PointF point2 = point1 - size1;
    e.Graphics.DrawLine(Pens.Blue, point1, point2);
}
Private Sub OpSubtractionExample(ByVal e As PaintEventArgs) 
    Dim point1 As New PointF(120.5F, 120F)
    Dim size1 As New SizeF(120.5F, 30.5F)
    Dim point2 As PointF = point1 - size1
    e.Graphics.DrawLine(Pens.Blue, point1, point2)

End Sub

注解

运算符Subtraction从 的 x 坐标中HeightWidth去指定大小的 ,PointF从 的 y 坐标减去 PointF

此运算符的等效方法是 PointF.Subtract(PointF, SizeF)

适用于