130 lines
4.0 KiB
C#
130 lines
4.0 KiB
C#
Color Fill dialog
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using System;
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using System.Drawing;
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using System.Windows.Forms;
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class ColorFillDialogBox: Form
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{
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GroupBox grpbox = new GroupBox();
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CheckBox chkbox = new CheckBox();
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public ColorFillDialogBox()
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{
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string[] astrColor = { "Black", "Blue", "Green", "Cyan",
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"Red", "Magenta", "Yellow", "White"};
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grpbox.Parent = this;
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grpbox.Text = "Color";
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grpbox.Location = new Point(9, 9);
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grpbox.Size = new Size(96, 12 * (astrColor.Length + 1));
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for (int j = 0; j < astrColor.Length; j++)
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{
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RadioButton radiobtn = new RadioButton();
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radiobtn.Parent = grpbox;
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radiobtn.Text = astrColor[j];
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radiobtn.Location = new Point(8, 12 * (j + 1));
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radiobtn.Size = new Size(80, 10);
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}
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chkbox.Parent = this;
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chkbox.Text = "Fill Ellipse";
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chkbox.Location = new Point(8, grpbox.Bottom + 4);
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chkbox.Size = new Size(80, 10);
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Button btn = new Button();
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btn.Parent = this;
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btn.Text = "OK";
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btn.Location = new Point(8, chkbox.Bottom + 4);
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btn.Size = new Size(40, 16);
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btn.DialogResult = DialogResult.OK;
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AcceptButton = btn;
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btn = new Button();
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btn.Parent = this;
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btn.Text = "Cancel";
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btn.Location = new Point(64, chkbox.Bottom + 4);
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btn.Size = new Size(40, 16);
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btn.DialogResult = DialogResult.Cancel;
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CancelButton = btn;
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ClientSize = new Size(112, btn.Bottom + 8);
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AutoScaleBaseSize = new Size(4, 8);
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}
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public Color Color
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{
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get
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{
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for (int j = 0; j < grpbox.Controls.Count; j++)
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{
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RadioButton radiobtn = (RadioButton) grpbox.Controls[j];
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if (radiobtn.Checked)
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return Color.FromName(radiobtn.Text);
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}
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return Color.Black;
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}
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set
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{
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for (int j = 0; j < grpbox.Controls.Count; j++)
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{
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RadioButton radiobtn = (RadioButton) grpbox.Controls[j];
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if (value == Color.FromName(radiobtn.Text))
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{
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radiobtn.Checked = true;
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break;
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}
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}
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}
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}
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public bool Fill
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{
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get { return chkbox.Checked; }
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set { chkbox.Checked = value; }
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}
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}
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class DrawOrFillEllipse: Form
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{
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Color colorEllipse = Color.Red;
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bool bFillEllipse = false;
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public static void Main()
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{
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Application.Run(new DrawOrFillEllipse());
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}
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public DrawOrFillEllipse()
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{
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ResizeRedraw = true;
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Menu = new MainMenu();
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Menu.MenuItems.Add("&Options");
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Menu.MenuItems[0].MenuItems.Add("&Color...", new EventHandler(MenuColorOnClick));
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}
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void MenuColorOnClick(object obj, EventArgs ea)
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{
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ColorFillDialogBox dlg = new ColorFillDialogBox();
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dlg.Color = colorEllipse;
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dlg.Fill = bFillEllipse;
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if (dlg.ShowDialog() == DialogResult.OK)
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{
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colorEllipse = dlg.Color;
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bFillEllipse = dlg.Fill;
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Invalidate();
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}
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}
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protected override void OnPaint(PaintEventArgs pea)
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{
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Graphics grfx = pea.Graphics;
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Rectangle rect = new Rectangle(0, 0, 50, 50);
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if(bFillEllipse)
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grfx.FillEllipse(new SolidBrush(colorEllipse), rect);
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else
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grfx.DrawEllipse(new Pen(colorEllipse), rect);
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}
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}
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