/// <summary>
/// 初始化点元素
/// </summary>
private void CreateLoadingDots()
{
for (var i = 0; i < _dots.Length; ++i)
{
_dots[i] = new LoadingDot(CircleCenter, CircleRadius);
}
}
/// <summary>
/// 构造器
/// </summary>
public FrmLoading()
{
InitializeComponent();
SetStyle(
ControlStyles.AllPaintingInWmPaint |
ControlStyles.UserPaint |
ControlStyles.OptimizedDoubleBuffer,
true);
//初始化绘图timer
_tmrGraphics = new UITimer {
Interval = 1
};
//Invalidate()强制重绘,绘图操作在OnPaint中实现
_tmrGraphics.Tick += (sender, e) => PnlImage.Invalidate(false);
_dotSize = PnlImage.Width / 10f;
//初始化"点"
_dots = new LoadingDot[5];
Color = Color.Orange;
}