SizeF.Addition(SizeF, SizeF) Operator

Definition

Прибавляет ширину и высоту одной структуры SizeF к ширине и высоте другой структуры SizeF.Adds the width and height of one SizeF structure to the width and height of another SizeF structure.

public:
 static System::Drawing::SizeF operator +(System::Drawing::SizeF sz1, System::Drawing::SizeF sz2);
public static System.Drawing.SizeF operator + (System.Drawing.SizeF sz1, System.Drawing.SizeF sz2);
static member ( + ) : System.Drawing.SizeF * System.Drawing.SizeF -> System.Drawing.SizeF
Public Shared Operator + (sz1 As SizeF, sz2 As SizeF) As SizeF

Parameters

sz1
SizeF

Первая структура SizeF для сложения.The first SizeF structure to add.

sz2
SizeF

Вторая структура SizeF для сложения.The second SizeF structure to add.

Returns

SizeF

Структура Size, получаемая в результате операции сложения.A Size structure that is the result of the addition operation.

Examples

Следующий пример кода добавляет тень в ListBox с помощью следующих членов:The following code example adds a shadow to a ListBox by using the following members:

Этот пример предназначен для использования с Windows Form.This example is designed to be used with a Windows Form. Чтобы выполнить этот пример, вставьте этот код в форму и вызовите метод AddShadow при обработке события Paint формы.To run this example, paste this code into a form and call the AddShadow method when handling the form's Paint event. Убедитесь, что форма содержит ListBox с именем listBox1.Verify that the form contains a ListBox named listBox1.

private:
   void AddShadow( PaintEventArgs^ e )
   {
      // Create two SizeF objects.
      SizeF shadowSize = listBox1->Size;
      SizeF addSize = SizeF(10.5F,20.8F);

      // Add them together and save the result in shadowSize.
      shadowSize = shadowSize + addSize;

      // Get the location of the ListBox and convert it to a PointF.
      PointF shadowLocation = listBox1->Location;

      // Add two points to get a new location.
      shadowLocation = shadowLocation + System::Drawing::Size( 5, 5 );

      // Create a rectangleF. 
      RectangleF rectFToFill = RectangleF(shadowLocation,shadowSize);

      // Create a custom brush using a semi-transparent color, and 
      // then fill in the rectangle.
      Color customColor = Color::FromArgb( 50, Color::Gray );
      SolidBrush^ shadowBrush = gcnew SolidBrush( customColor );
      array<RectangleF>^ temp0 = {rectFToFill};
      e->Graphics->FillRectangles( shadowBrush, temp0 );

      // Dispose of the brush.
      delete shadowBrush;
   }
private void AddShadow(PaintEventArgs e)
{

    // Create two SizeF objects.
    SizeF shadowSize = listBox1.Size;
    SizeF addSize = new SizeF(10.5F, 20.8F);

    // Add them together and save the result in shadowSize.
    shadowSize = shadowSize + addSize;

    // Get the location of the ListBox and convert it to a PointF.
    PointF shadowLocation = listBox1.Location;

    // Add two points to get a new location.
    shadowLocation = shadowLocation + new Size(5, 5);

    // Create a rectangleF. 
    RectangleF rectFToFill = 
        new RectangleF(shadowLocation, shadowSize);

    // Create a custom brush using a semi-transparent color, and 
    // then fill in the rectangle.
    Color customColor = Color.FromArgb(50, Color.Gray);
    SolidBrush shadowBrush = new SolidBrush(customColor);
    e.Graphics.FillRectangles(shadowBrush, new RectangleF[]{rectFToFill});

    // Dispose of the brush.
    shadowBrush.Dispose();
}
Private Sub AddShadow(ByVal e As PaintEventArgs)

    ' Create two SizeF objects.
    Dim shadowSize As SizeF = Size.op_Implicit(listBox1.Size)
    Dim addSize As New SizeF(10.5F, 20.8F)

    ' Add them together and save the result in shadowSize.
    shadowSize = SizeF.op_Addition(shadowSize, addSize)

    ' Get the location of the ListBox and convert it to a PointF.
    Dim shadowLocation As PointF = Point.op_Implicit(listBox1.Location)

    ' Add a Size to the Point to get a new location.
    shadowLocation = PointF.op_Addition(shadowLocation, New Size(5, 5))

    ' Create a rectangleF. 
    Dim rectFToFill As New RectangleF(shadowLocation, shadowSize)

    ' Create a custom brush using a semi-transparent color, and 
    ' then fill in the rectangle.
    Dim customColor As Color = Color.FromArgb(50, Color.Gray)
    Dim shadowBrush As SolidBrush = New SolidBrush(customColor)
    e.Graphics.FillRectangles(shadowBrush, _
        New RectangleF() {rectFToFill})

    ' Dispose of the brush.
    shadowBrush.Dispose()
End Sub

Applies to