Color.Transparent Propiedad

Definición

Espacio de nombres:

System.Drawing

Ensamblado:

System.Drawing.Primitives.dll

Source:

Color.cs

Obtiene un color definido por el sistema.

public:
 static property System::Drawing::Color Transparent { System::Drawing::Color get(); };

public static System.Drawing.Color Transparent { get; }

static member Transparent : System.Drawing.Color

Public Shared ReadOnly Property Transparent As Color

Valor de propiedad

Color

Una estructura Color que representa un color definido por el sistema.

Ejemplos

En el ejemplo de código siguiente se muestra cómo usar la Transparent propiedad . Este ejemplo está diseñado para usarse con Windows Forms. Pegue el código en un formulario que contenga dos botones denominados Button1 y Button2. Llame al UseTransparentProperty método en el constructor del formulario.

private:
   void UseTransparentProperty()
   {
      // Set up the PictureBox to display the entire image, and
      // to cover the entire client area.
      PictureBox1->SizeMode = PictureBoxSizeMode::StretchImage;
      PictureBox1->Dock = DockStyle::Fill;
      try
      {
         // Set the Image property of the PictureBox to an image retrieved
         // from the file system.
         PictureBox1->Image = Image::FromFile( "C:\\Documents and Settings\\All Users\\"
         "Documents\\My Pictures\\Sample Pictures\\sunset.jpg" );

         // Set the Parent property of Button1 and Button2 to the 
         // PictureBox.
         Button1->Parent = PictureBox1;
         Button2->Parent = PictureBox1;

         // Set the Color property of both buttons to transparent. 
         // With this setting the buttons assume the color of their
         // parent.
         Button1->BackColor = Color::Transparent;
         Button2->BackColor = Color::Transparent;
      }
      catch ( System::IO::FileNotFoundException^ ) 
      {
         MessageBox::Show( "There was an error."
         "Make sure the image file path is valid." );
      }
   }

private void UseTransparentProperty()
{

    // Set up the PictureBox to display the entire image, and
    // to cover the entire client area.
    PictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;
    PictureBox1.Dock = DockStyle.Fill;

    try
    {
        // Set the Image property of the PictureBox to an image retrieved
        // from the file system.
        PictureBox1.Image = 
            Image.FromFile("C:\\Documents and Settings\\All Users\\" +
            "Documents\\My Pictures\\Sample Pictures\\sunset.jpg");

        // Set the Parent property of Button1 and Button2 to the 
        // PictureBox.
        Button1.Parent = PictureBox1;
        Button2.Parent = PictureBox1;

        // Set the Color property of both buttons to transparent. 
        // With this setting the buttons assume the color of their
        // parent.
        Button1.BackColor = Color.Transparent;
        Button2.BackColor = Color.Transparent;
    }
    catch(System.IO.FileNotFoundException)
    {
        MessageBox.Show("There was an error." +
            "Make sure the image file path is valid.");
    }
}

Private Sub UseTransparentProperty()

    ' Set up the PictureBox to display the entire image, and
    ' to cover the entire client area.
    PictureBox1.SizeMode = PictureBoxSizeMode.StretchImage
    PictureBox1.Dock = DockStyle.Fill

    Try
        ' Set the Image property of the PictureBox to an image retrieved
        ' from the file system.
        PictureBox1.Image = _
            Image.FromFile("C:\Documents and Settings\All Users\" _
            & "Documents\My Pictures\Sample Pictures\sunset.jpg")

        ' Set the Parent property of Button1 and Button2 to the 
        ' PictureBox.
        Button1.Parent = PictureBox1
        Button2.Parent = PictureBox1

        ' Set the Color property of both buttons to transparent. 
        ' With this setting, the buttons assume the color of their
        ' parent.
        Button1.BackColor = Color.Transparent
        Button2.BackColor = Color.Transparent

    Catch ex As System.IO.FileNotFoundException
        MessageBox.Show("There was an error." _
        & "Make sure the image file path is valid.")
    End Try


End Sub