133 lines
3.2 KiB
C#

#if FRAMEWORK20
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace DevComponents.DotNetBar.Schedule
{
public partial class PosWin : Form
{
#region Private variables
private string _PosText = ""; // Window content
private int _PosHeight; // Calculated window height
#endregion
/// <summary>
/// Constructor
/// </summary>
public PosWin()
{
InitializeComponent();
}
#region CreateParams / show support
// This code permits us to be able to create a
// window with a drop shadow
private const int CS_DROPSHADOW = 0x00020000;
protected override CreateParams CreateParams
{
get
{
CreateParams parameters = base.CreateParams;
parameters.ClassStyle =
(parameters.ClassStyle | CS_DROPSHADOW);
return (parameters);
}
}
protected override bool ShowWithoutActivation
{
get { return true; }
}
#endregion
#region Public properties
/// <summary>
/// Gets and sets the window content text
/// </summary>
public string PosText
{
get { return (_PosText); }
set
{
if (_PosText != value)
{
_PosText = value;
this.Refresh();
}
}
}
/// <summary>
/// Gets the calculated window height
/// </summary>
public int PosHeight
{
get
{
if (_PosHeight <= 0)
{
using (Graphics g = CreateGraphics())
{
eTextFormat tf = eTextFormat.Default |
eTextFormat.HorizontalCenter | eTextFormat.VerticalCenter;
Size sz = TextDrawing.MeasureString(g, "ABC", SystemFonts.CaptionFont, 0, tf);
_PosHeight = sz.Height + 4;
}
}
return (_PosHeight);
}
}
#endregion
#region Paint processing
private void PosWin_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
eTextFormat tf = eTextFormat.Default | eTextFormat.HorizontalCenter | eTextFormat.VerticalCenter;
Size sz = TextDrawing.MeasureString(g, _PosText, SystemFonts.CaptionFont, 0, tf);
sz.Width += 6;
sz.Height += 4;
this.Size = sz;
int swidth = Screen.FromControl(this).Bounds.Width;
if (Location.X + sz.Width > swidth)
Location = new Point(swidth - sz.Width, Location.Y);
Rectangle r = new Rectangle(0, 0, sz.Width - 1, sz.Height - 1);
g.DrawRectangle(Pens.Black, r);
TextDrawing.DrawString(g, _PosText, SystemFonts.CaptionFont, Color.Black, r, tf);
}
#endregion
}
}
#endif