private void ChangeFormShape(FormShapeTypes FormShapeType, PaintEventArgs e)
{
//전체를 투명하게 될 색으로 먼저 설정.
e.Graphics.FillRectangle(new SolidBrush(this.ColorToTrans), 0, 0, this.Width, this.Height);
//다음에 원래 폼의 배경색을 채움.
switch (FormShapeType)
{
case FormShapeTypes.Ellipse:
e.Graphics.FillEllipse(new SolidBrush(this.BackColor), 0, 0, this.Width, this.Height);
break;
case FormShapeTypes.RoundedRectangle:
GraphicsPath gp = DrawRoundedRectangle(20);
Region rgn = new Region(gp);
e.Graphics.FillRegion(new SolidBrush(this.BackColor), rgn);
break;
}
}
/// <summary>
/// 폼의 모양을 지정.
/// </summary>
/// <param name="f">Form 개체</param>
/// <param name="fst">Forrm의 변경될 모양</param>
public FormShape(Form f, FormShapeTypes fst)
{
if (f.FormBorderStyle != FormBorderStyle.None)
{
f.FormBorderStyle = FormBorderStyle.None;
}
BackColor = f.BackColor;
Width = f.ClientSize.Width;
Height = f.ClientSize.Height;
//폼의 배경색이 숨겨질 색과 같은 빨간색이라면 숨겨질 색을 노란색으로
//설정해서 폼의 배경색을 보이게 함.
ColorToTrans = (BackColor == Color.Red) ? Color.Yellow : Color.Red;
f.TransparencyKey = ColorToTrans;
f.Paint += new System.Windows.Forms.PaintEventHandler(this.FormShape_Paint);
f.SizeChanged += new System.EventHandler(this.FormShape_SizeChanged);
this.fst = fst;
this.f = f;
}