Winform圆角窗体,timer倒计时关闭窗体
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2022-03-04 11:49:20
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public partial class MyMessageBox : Form
{
// 自动关闭的时间限制,如3为3秒后自动关闭
private int _second;
public int Second
{
get { return _second; }
set { _second = value; }
}
// 计数器,用以判断当前窗口弹出后持续的时间
private int counter;
public MyMessageBox(string message)
{
InitializeComponent();
this._second = Second;
// 初始化计数器
this.counter = 0;
this.label1.Text = message;
this.buttonEx1.Text = string.Format("确定({0})", this._second - this.counter);
// **并启动timer,设置timer的触发间隔为1000毫秒(1秒)
this.timer1.Enabled = true;
this.timer1.Interval = 1000;
this.timer1.Start();
}
private void buttonEx1_Click(object sender, EventArgs e)
{
this.Close();
}
private void timer1_Tick(object sender, EventArgs e)
{
if (this.counter < this._second)
{
// 刷新按钮的文本
this.buttonEx1.Text = string.Format("确定({0})", this._second - this.counter - 1);
this.Refresh();
// 计数器自增
this.counter++;
}
// 如果到达时间限制
else
{
// 关闭timer
this.timer1.Enabled = false;
this.timer1.Stop();
// 关闭对话框
this.Close();
}
}
// "画圆角"
public void SetWindowRegion()
{
System.Drawing.Drawing2D.GraphicsPath FormPath;
FormPath = new System.Drawing.Drawing2D.GraphicsPath();
Rectangle rect = new Rectangle(0, 0, this.Width, this.Height);
FormPath = GetRoundedRectPath(rect, 10);
this.Region = new Region(FormPath);
}
/// <summary>
///
/// </summary>
/// <param name="rect">窗体大小</param>
/// <param name="radius">圆角大小</param>
/// <returns></returns>
private GraphicsPath GetRoundedRectPath(Rectangle rect, int radius)
{
int diameter = radius;
Rectangle arcRect = new Rectangle(rect.Location, new Size(diameter, diameter));
GraphicsPath path = new GraphicsPath();
path.AddArc(arcRect, 180, 90);//左上角
arcRect.X = rect.Right - diameter;//右上角
path.AddArc(arcRect, 270, 90);
arcRect.Y = rect.Bottom - diameter;// 右下角
path.AddArc(arcRect, 0, 90);
arcRect.X = rect.Left;// 左下角
path.AddArc(arcRect, 90, 90);
path.CloseFigure();
return path;
}
private void MyMessageBox_Resize(object sender, EventArgs e)
{
if (this.WindowState == FormWindowState.Normal)
{
SetWindowRegion();
}
else
{
this.Region = null;
}
}
}
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