SizeF.Addition(SizeF, SizeF) Operátor

Definice

Přidá šířku a výšku jedné SizeF struktury k šířce a výšce jiné struktury 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

Parametry

sz1
SizeF

První SizeF struktura, kterou chcete přidat.The first SizeF structure to add.

sz2
SizeF

Druhá struktura SizeF, kterou chcete přidat.The second SizeF structure to add.

Návraty

Size struktura, která je výsledkem operace sčítání.A Size structure that is the result of the addition operation.

Příklady

Následující příklad kódu přidá stín k ListBox pomocí následujících členů:The following code example adds a shadow to a ListBox by using the following members:

Tento příklad je navržený tak, aby se mohl používat s formulářem Windows.This example is designed to be used with a Windows Form. Chcete-li spustit tento příklad, vložte tento kód do formuláře a zavolejte metodu AddShadow při zpracování události Paint formuláře.To run this example, paste this code into a form and call the AddShadow method when handling the form's Paint event. Ověřte, zda formulář obsahuje ListBox s názvem 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

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