Shape.MouseEnter 事件

项目
10/25/2012

，当鼠标指针进入形状，发生。

命名空间： Microsoft.VisualBasic.PowerPacks
程序集： Microsoft.VisualBasic.PowerPacks.Vs（在 Microsoft.VisualBasic.PowerPacks.Vs.dll 中）

语法

声明
<BrowsableAttribute(True)> _
Public Event MouseEnter As EventHandler

[BrowsableAttribute(true)]
public event EventHandler MouseEnter

[BrowsableAttribute(true)]
public:
 event EventHandler^ MouseEnter {
    void add (EventHandler^ value);
    void remove (EventHandler^ value);
}

[<BrowsableAttribute(true)>]
member MouseEnter : IEvent<EventHandler,
    EventArgs>

JScript 不支持事件。

备注

鼠标事件按以下顺序发生：

MouseEnter

MouseMove

MouseHover / MouseDown / MouseWheel

MouseUp

MouseLeave

有关如何处理事件的更多信息，请参见使用事件。

示例

，当鼠标移动在形状时，下面的示例演示在状态栏中显示一条消息。此示例要求您具有一个 RectangleShape 控件 RectangleShape1 的、名为在窗体的 StatusStrip1 的一个 StatusStrip 控件。 StatusStrip 必须有名 ToolStripStatusLabel1 的 ToolStripStatusLabel 。

Private Sub RectangleShape1_MouseEnter(
  ) Handles RectangleShape1.MouseEnter

    ToolStripStatusLabel1.Text = "The mouse has entered the shape."
End Sub

Private Sub RectangleShape1_MouseHover(
  ) Handles RectangleShape1.MouseHover

    ToolStripStatusLabel1.Text = "The mouse is paused over the shape."
End Sub

Private Sub RectangleShape1_MouseLeave(
  ) Handles RectangleShape1.MouseLeave

    ToolStripStatusLabel1.Text = "The mouse has left the shape."
End Sub

Private Sub RectangleShape1_MouseMove(
  ) Handles RectangleShape1.MouseMove

    ToolStripStatusLabel1.Text = "The mouse is over the shape."
End Sub

private void rectangleShape1_MouseEnter(object sender, System.EventArgs e)
{
    toolStripStatusLabel1.Text = "The mouse has entered the shape.";
}

private void rectangleShape1_MouseHover(object sender, System.EventArgs e)
{
    toolStripStatusLabel1.Text = "The mouse is paused over the shape.";
}

private void rectangleShape1_MouseLeave(object sender, System.EventArgs e)
{
    toolStripStatusLabel1.Text = "The mouse has left the shape.";
}

private void rectangleShape1_MouseMove(object sender, 
    System.Windows.Forms.MouseEventArgs e)
{
    toolStripStatusLabel1.Text = "The mouse is over the shape.";
}