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CustomProgressBar.cs
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CustomProgressBar.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace DATPacker
{
public enum ProgressBarDisplayText
{
Percentage,
CustomText
}
class CustomProgressBar : ProgressBar
{
//Property to set to decide whether to print a % or Text
public ProgressBarDisplayText DisplayStyle { get; set; }
//Property to hold the custom text
public String CustomText { get; set; }
public Brush TextColor { get; set; }
public CustomProgressBar()
{
// Modify the ControlStyles flags
//http://msdn.microsoft.com/en-us/library/system.windows.forms.controlstyles.aspx
SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer, true);
}
protected override void OnPaint(PaintEventArgs e)
{
Rectangle rect = ClientRectangle;
Graphics g = e.Graphics;
ProgressBarRenderer.DrawHorizontalBar(g, rect);
rect.Inflate(-3, -3);
if (Value > 0)
{
// As we doing this ourselves we need to draw the chunks on the progress bar
Rectangle clip = new Rectangle(rect.X, rect.Y, (int)Math.Round(((float)Value / Maximum) * rect.Width), rect.Height);
ProgressBarRenderer.DrawHorizontalChunks(g, clip);
}
// Set the Display text (Either a % amount or our custom text
int percent = (int)(((double)this.Value / (double)this.Maximum) * 100);
string text = CustomText;
using (Font f = new Font(FontFamily.GenericSerif, 10))
{
SizeF len = g.MeasureString(text, f);
// Calculate the location of the text (the middle of progress bar)
// Point location = new Point(Convert.ToInt32((rect.Width / 2) - (len.Width / 2)), Convert.ToInt32((rect.Height / 2) - (len.Height / 2)));
Point location = new Point(6, Convert.ToInt32((Height / 2) - len.Height / 2));
// The commented-out code will centre the text into the highlighted area only. This will centre the text regardless of the highlighted area.
// Draw the custom text
g.DrawString(text, f, TextColor, location);
}
}
}
}