ToolStripRenderer.InitializeItem(ToolStripItem) ToolStripRenderer.InitializeItem(ToolStripItem) ToolStripRenderer.InitializeItem(ToolStripItem) ToolStripRenderer.InitializeItem(ToolStripItem) Method

定義

在衍生類別中覆寫時,提供指定之 ToolStripItem 的自訂初始化。When overridden in a derived class, provides for custom initialization of the given ToolStripItem.

protected public:
 virtual void InitializeItem(System::Windows::Forms::ToolStripItem ^ item);
protected internal virtual void InitializeItem (System.Windows.Forms.ToolStripItem item);
abstract member InitializeItem : System.Windows.Forms.ToolStripItem -> unit
override this.InitializeItem : System.Windows.Forms.ToolStripItem -> unit
Protected Friend Overridable Sub InitializeItem (item As ToolStripItem)

參數

item
ToolStripItem ToolStripItem ToolStripItem ToolStripItem

要初始化的 ToolStripItemThe ToolStripItem to be initialized.

範例

下列程式碼範例示範如何初始化個別ToolStripItem的控制項。The following code example demonstrates how to initialize individual ToolStripItem controls. 這個程式碼範例是針對ToolStripRenderer類別提供之較大範例的一部分。This code example is part of a larger example provided for the ToolStripRenderer class.

// This method initializes an individual ToolStripButton
// control. It copies a subimage from the GridStripRenderer's
// main image, according to the position and size of 
// the ToolStripButton.
protected override void InitializeItem(ToolStripItem item)
{
    base.InitializeItem(item);

    GridStrip gs = item.Owner as GridStrip;

    // The empty cell does not receive a subimage.
    if ((item is ToolStripButton) &&
        (item != gs.EmptyCell))
    {
        // Copy the subimage from the appropriate 
        // part of the main image.
        Bitmap subImage = bmp.Clone(
            item.Bounds,
            PixelFormat.Undefined);

        // Assign the subimage to the ToolStripButton
        // control's Image property.
        item.Image = subImage;
    }
}
' This method initializes an individual ToolStripButton
' control. It copies a subimage from the GridStripRenderer's
' main image, according to the position and size of 
' the ToolStripButton.
Protected Overrides Sub InitializeItem(item As ToolStripItem)
   MyBase.InitializeItem(item)
   
      Dim gs As GridStrip = item.Owner
   
   ' The empty cell does not receive a subimage.
      If ((TypeOf (item) Is ToolStripButton) And _
           (item IsNot gs.EmptyCell)) Then
          ' Copy the subimage from the appropriate 
          ' part of the main image.
          Dim subImage As Bitmap = bmp.Clone(item.Bounds, PixelFormat.Undefined)

          ' Assign the subimage to the ToolStripButton
          ' control's Image property.
          item.Image = subImage
      End If
End Sub 

備註

當呈現時ToolStripItem.BackColor ToolStripItem.Font InitializeItem ,請使用方法來設定屬性ToolStripItem , 例如或。Use the InitializeItem method to set properties, such as the ToolStripItem.BackColor or ToolStripItem.Font, when a ToolStripItem is rendered.

適用於

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