/// <summary>
/// 控件绘图
/// </summary>
/// <param name="e"></param>
protected override void OnPaint(PaintEventArgs e)
{
if (isDraw)
{
// 绘制顶部区域
DrawBackground(e, "top");
DrawWave(e, "top");
// 绘制底部区域
DrawBackground(e, "bottom");
DrawWave(e, "bottom");
//绘制日期
//DrawDateTime(e);
int count = ctrlData.GetSize();
// 滚动条设置
if (!isOnScroll)
{
int maxinum = (count * pix - Width) > 0 ? (count * pix - Width) : 0;
hScrollBar1.Maximum = maxinum;
hScrollBar1.Value = maxinum;
}
}
}
private void CalcDrawIndex()
{
int cnt = (this.Size.Width) / pix;
if (cnt <= ctrlData.GetSize())
{
endIndex = ctrlData.GetSize();
beginIndex = ctrlData.GetSize() - cnt;
}
else
{
beginIndex = 0;
endIndex = ctrlData.GetSize() <= 2 ? ctrlData.GetSize() : ctrlData.GetSize() - 1;
}
}