ToolStripItem.ContentRectangle ToolStripItem.ContentRectangle ToolStripItem.ContentRectangle ToolStripItem.ContentRectangle Property

Definizione

Ottiene l'area in cui il contenuto, come testo e icone, può essere posizionato all'interno di un oggetto ToolStripItem senza sovrascrivere i bordi dello sfondo.Gets the area where content, such as text and icons, can be placed within a ToolStripItem without overwriting background borders.

public:
 property System::Drawing::Rectangle ContentRectangle { System::Drawing::Rectangle get(); };
[System.ComponentModel.Browsable(false)]
public System.Drawing.Rectangle ContentRectangle { get; }
member this.ContentRectangle : System.Drawing.Rectangle
Public ReadOnly Property ContentRectangle As Rectangle

Valore della proprietà

Oggetto Rectangle contenente quattro interi che rappresentano la posizione e le dimensioni del contenuto di ToolStripItem, escluso il bordo.A Rectangle containing four integers that represent the location and size of ToolStripItem contents, excluding its border.

Esempi

Esempio di codice seguente viene illustrato come utilizzare il ContentRectangle proprietà per il rendering personalizzato.The following code example demonstrates how to use the ContentRectangle property for custom rendering. Questo esempio di codice è parte di un esempio più esaustivo disponibile per il ToolStripItem classe.This code example is part of a larger example provided for the ToolStripItem class.

// This utility method computes the layout of the 
// RolloverItem control's image area and the text area.
// For brevity, only the following settings are 
// supported:
//
// ToolStripTextDirection.Horizontal
// TextImageRelation.ImageBeforeText 
// TextImageRelation.ImageBeforeText
// 
// It would not be difficult to support vertical text
// directions and other image/text relationships.
private void ComputeImageAndTextLayout()
{
    Rectangle cr = base.ContentRectangle;
    Image img = base.Owner.ImageList.Images[base.ImageKey];

    // Compute the center of the item's ContentRectangle.
    int centerY = (cr.Height - img.Height) / 2;

    // Find the dimensions of the image and the text 
    // areas of the item. The text occupies the space 
    // not filled by the image. 
    if (base.TextImageRelation == TextImageRelation.ImageBeforeText &&
        base.TextDirection == ToolStripTextDirection.Horizontal)
    {
        imageRect = new Rectangle(
            base.ContentRectangle.Left,
            centerY,
            base.Image.Width,
            base.Image.Height);

        textRect = new Rectangle(
            imageRect.Width,
            base.ContentRectangle.Top,
            base.ContentRectangle.Width - imageRect.Width,
            base.ContentRectangle.Height);
    }
    else if (base.TextImageRelation == TextImageRelation.TextBeforeImage &&
             base.TextDirection == ToolStripTextDirection.Horizontal)
    {
        imageRect = new Rectangle(
            base.ContentRectangle.Right - base.Image.Width,
            centerY,
            base.Image.Width,
            base.Image.Height);

        textRect = new Rectangle(
            base.ContentRectangle.Left,
            base.ContentRectangle.Top,
            imageRect.X,
            base.ContentRectangle.Bottom);
    }
}
   ' This utility method computes the layout of the 
   ' RolloverItem control's image area and the text area.
   ' For brevity, only the following settings are 
   ' supported:
   '
   ' ToolStripTextDirection.Horizontal
   ' TextImageRelation.ImageBeforeText 
   ' TextImageRelation.ImageBeforeText
   ' 
   ' It would not be difficult to support vertical text
   ' directions and other image/text relationships.
   Private Sub ComputeImageAndTextLayout()
      Dim cr As Rectangle = MyBase.ContentRectangle
      Dim img As Image = MyBase.Owner.ImageList.Images(MyBase.ImageKey)
      
      ' Compute the center of the item's ContentRectangle.
        Dim centerY As Integer = CInt((cr.Height - img.Height) / 2)
      
      ' Find the dimensions of the image and the text 
      ' areas of the item. The text occupies the space 
      ' not filled by the image. 
        If MyBase.TextImageRelation = _
        TextImageRelation.ImageBeforeText AndAlso _
        MyBase.TextDirection = ToolStripTextDirection.Horizontal Then

            imageRect = New Rectangle( _
            MyBase.ContentRectangle.Left, _
            centerY, _
            MyBase.Image.Width, _
            MyBase.Image.Height)

            textRect = New Rectangle( _
            imageRect.Width, _
            MyBase.ContentRectangle.Top, _
            MyBase.ContentRectangle.Width - imageRect.Width, _
            MyBase.ContentRectangle.Height)

        ElseIf MyBase.TextImageRelation = _
        TextImageRelation.TextBeforeImage AndAlso _
        MyBase.TextDirection = ToolStripTextDirection.Horizontal Then

            imageRect = New Rectangle( _
            MyBase.ContentRectangle.Right - MyBase.Image.Width, _
            centerY, _
            MyBase.Image.Width, _
            MyBase.Image.Height)

            textRect = New Rectangle( _
            MyBase.ContentRectangle.Left, _
            MyBase.ContentRectangle.Top, _
            imageRect.X, _
            MyBase.ContentRectangle.Bottom)

        End If
    End Sub
End Class

Commenti

Usare la ContentRectangle proprietà per eseguire un disegno personalizzato di un ToolStripItem.Use the ContentRectangle property to do custom painting of a ToolStripItem.

Si applica a