#region 窗体圆角的实现
private void Form1_Resize(object sender, EventArgs e)
{
if (this.WindowState == FormWindowState.Normal)
{
SetWindowRegion();
}
else
{
this.Region = null;
}
}
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;
}
#endregion
#region 窗体拖动
Point mouseOff;
bool leftFlag=false;
//第一步
private void Form1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button==MouseButtons.Left)
{
mouseOff = new Point(-e.X,-e.Y);
leftFlag = true;
}
}
//第二步
private void Form1_MouseMove(object sender, MouseEventArgs e)
{
if (leftFlag)
{
Point mouseSet = Control.MousePosition;
mouseSet.Offset(mouseOff.X,mouseOff.Y);
this.Location = mouseSet;
}
}
//第三步
private void Form1_MouseUp(object sender, MouseEventArgs e)
{
if (leftFlag)
{
leftFlag = false;
}
}
#endregion
#region 最小化、最大化、关闭
private void Close_Click(object sender, EventArgs e)
{
this.Close();
}
private void MaximumSize_Click(object sender, EventArgs e)
{
if (this.WindowState == FormWindowState.Maximized)
this.WindowState = FormWindowState.Normal;
else
this.WindowState = FormWindowState.Maximized;
}
private void MinimumSize_Click(object sender, EventArgs e)
{
this.WindowState = FormWindowState.Minimized ;
}
#endregion
