效果

功能

1.滑鼠懸停顯示提示資訊
2.滑鼠劃過修改背景色
3.滑鼠離開恢復背景色

程式碼

設計介面

ToolTip屬性用於設定滑鼠懸停顯示提示資訊

<Label Name="lblClose" Content=" X" ToolTip="關閉" Foreground="White"  MouseLeftButtonDown="lblClose_MouseLeftButtonDown" 
MouseEnter="lblClose_MouseEnter" MouseLeave="lblClose_MouseLeave" />

後臺

/// <summary>
/// 關閉-滑鼠劃過事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void lblClose_MouseEnter(object sender, MouseEventArgs e)
{
    lblClose.Background = System.Windows.Media.Brushes.SlateGray;
}

/// <summary>
/// 關閉-滑鼠離開事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void lblClose_MouseLeave(object sender, MouseEventArgs e)
{
    lblClose.Background = System.Windows.Media.Brushes.Transparent;
}