public override System.Drawing.Size GetPreferredSize(System.Drawing.Size proposedSize)
{
System.Drawing.Size height;
base.GetPreferredSize(proposedSize);
using (Graphics graphic = base.CreateGraphics())
{
string str = (this.Text.Length > 0 ? this.Text : "MeasureText");
proposedSize = new System.Drawing.Size(2147483647, 2147483647);
height = TextRenderer.MeasureText(graphic, str, MetroFonts.DateTime(this.metroDateTimeSize, this.metroDateTimeWeight), proposedSize, TextFormatFlags.VerticalCenter | TextFormatFlags.LeftAndRightPadding);
height.Height = height.Height + 10;
}
return(height);
}
public override Size GetPreferredSize(Size proposedSize)
{
Size preferredSize;
base.GetPreferredSize(proposedSize);
using (var g = CreateGraphics())
{
string measureText = Text.Length > 0 ? Text : "MeasureText";
proposedSize = new Size(int.MaxValue, int.MaxValue);
preferredSize = TextRenderer.MeasureText(g, measureText, MetroFonts.DateTime(metroDateTimeSize, metroDateTimeWeight), proposedSize, TextFormatFlags.Left | TextFormatFlags.LeftAndRightPadding | TextFormatFlags.VerticalCenter);
preferredSize.Height += 10;
}
return(preferredSize);
}
protected virtual void OnPaintForeground(PaintEventArgs e)
{
this.MinimumSize = new Size(0, GetPreferredSize(Size.Empty).Height);
Color borderColor, foreColor;
if (isHovered && !isPressed && Enabled)
{
foreColor = MetroPaint.ForeColor.ComboBox.Hover(Theme);
borderColor = MetroPaint.GetStyleColor(Style);
}
else if (isHovered && isPressed && Enabled)
{
foreColor = MetroPaint.ForeColor.ComboBox.Press(Theme);
borderColor = MetroPaint.GetStyleColor(Style);
}
else if (!Enabled)
{
foreColor = MetroPaint.ForeColor.ComboBox.Disabled(Theme);
borderColor = MetroPaint.BorderColor.ComboBox.Disabled(Theme);
}
else
{
foreColor = MetroPaint.ForeColor.ComboBox.Normal(Theme);
borderColor = MetroPaint.BorderColor.ComboBox.Normal(Theme);
}
using (Pen p = new Pen(borderColor))
{
int cornerRadius = 3;
p.Width = 1;
//边框工作区
Rectangle rect = this.ClientRectangle;
GraphicsPath Rect = new GraphicsPath();
// 添加圆弧
Rect.AddArc(0, 0, cornerRadius * 2, cornerRadius * 2, 180, 90);
Rect.AddArc(rect.Width - cornerRadius * 2 - 1, 0, cornerRadius * 2, cornerRadius * 2, 270, 90);
Rect.AddArc(rect.Width - cornerRadius * 2 - 1, rect.Height - cornerRadius * 2 - 1, cornerRadius * 2,
cornerRadius * 2, 0, 90);
Rect.AddArc(0, rect.Height - cornerRadius * 2 - 1, cornerRadius * 2, cornerRadius * 2, 90, 90);
Rect.CloseFigure();
e.Graphics.DrawPath(p, Rect);
}
using (SolidBrush b = new SolidBrush(foreColor))
{
e.Graphics.FillPolygon(b, new Point[] { new Point(Width - 20, (Height / 2) - 2), new Point(Width - 9, (Height / 2) - 2), new Point(Width - 15, (Height / 2) + 4) });
//e.Graphics.FillPolygon(b, new Point[] { new Point(Width - 15, (Height / 2) - 5), new Point(Width - 21, (Height / 2) + 2), new Point(Width - 9, (Height / 2) + 2) });
}
int _check = 0;
if (this.ShowCheckBox)
{
_check = 15;
using (Pen p = new Pen(borderColor))
{
Rectangle boxRect = new Rectangle(3, Height / 2 - 6, 12, 12);
e.Graphics.DrawRectangle(p, boxRect);
}
if (Checked)
{
Color fillColor = MetroPaint.GetStyleColor(Style);
using (SolidBrush b = new SolidBrush(fillColor))
{
Rectangle boxRect = new Rectangle(5, Height / 2 - 4, 9, 9);
e.Graphics.FillRectangle(b, boxRect);
}
}
else
{
foreColor = MetroPaint.ForeColor.ComboBox.Disabled(Theme);
}
}
Rectangle textRect = new Rectangle(2 + _check, 2, Width - 20, Height - 4);
TextRenderer.DrawText(e.Graphics, Text, MetroFonts.DateTime(metroDateTimeSize, metroDateTimeWeight), textRect, foreColor, TextFormatFlags.Left | TextFormatFlags.VerticalCenter);
OnCustomPaintForeground(new MetroPaintEventArgs(Color.Empty, foreColor, e.Graphics));
if (displayFocusRectangle && isFocused)
{
ControlPaint.DrawFocusRectangle(e.Graphics, ClientRectangle);
}
}
protected virtual void OnPaintForeground(PaintEventArgs e)
{
Color styleColor;
Color color;
System.Drawing.Size preferredSize = this.GetPreferredSize(System.Drawing.Size.Empty);
this.MinimumSize = new System.Drawing.Size(0, preferredSize.Height);
if (this.isHovered && !this.isPressed && base.Enabled)
{
color = MetroPaint.ForeColor.ComboBox.Hover(this.Theme);
styleColor = MetroPaint.GetStyleColor(this.Style);
}
else if (this.isHovered && this.isPressed && base.Enabled)
{
color = MetroPaint.ForeColor.ComboBox.Press(this.Theme);
styleColor = MetroPaint.GetStyleColor(this.Style);
}
else if (base.Enabled)
{
color = MetroPaint.ForeColor.ComboBox.Normal(this.Theme);
styleColor = MetroPaint.BorderColor.ComboBox.Normal(this.Theme);
}
else
{
color = MetroPaint.ForeColor.ComboBox.Disabled(this.Theme);
styleColor = MetroPaint.BorderColor.ComboBox.Disabled(this.Theme);
}
using (Pen pen = new Pen(styleColor))
{
Rectangle rectangle = new Rectangle(0, 0, base.Width - 1, base.Height - 1);
e.Graphics.DrawRectangle(pen, rectangle);
}
using (SolidBrush solidBrush = new SolidBrush(color))
{
Graphics graphics = e.Graphics;
Point[] point = new Point[] { new Point(base.Width - 20, base.Height / 2 - 2), new Point(base.Width - 9, base.Height / 2 - 2), new Point(base.Width - 15, base.Height / 2 + 4) };
graphics.FillPolygon(solidBrush, point);
}
int num = 0;
if (base.ShowCheckBox)
{
num = 15;
using (Pen pen1 = new Pen(styleColor))
{
Rectangle rectangle1 = new Rectangle(3, base.Height / 2 - 6, 12, 12);
e.Graphics.DrawRectangle(pen1, rectangle1);
}
if (!base.Checked)
{
color = MetroPaint.ForeColor.ComboBox.Disabled(this.Theme);
}
else
{
using (SolidBrush solidBrush1 = new SolidBrush(MetroPaint.GetStyleColor(this.Style)))
{
Rectangle rectangle2 = new Rectangle(5, base.Height / 2 - 4, 9, 9);
e.Graphics.FillRectangle(solidBrush1, rectangle2);
}
}
}
Rectangle rectangle3 = new Rectangle(2 + num, 2, base.Width - 20, base.Height - 4);
TextRenderer.DrawText(e.Graphics, this.Text, MetroFonts.DateTime(this.metroDateTimeSize, this.metroDateTimeWeight), rectangle3, color, TextFormatFlags.VerticalCenter);
this.OnCustomPaintForeground(new MetroPaintEventArgs(Color.Empty, color, e.Graphics));
if (this.displayFocusRectangle && this.isFocused)
{
ControlPaint.DrawFocusRectangle(e.Graphics, base.ClientRectangle);
}
}
