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public partial class BasicProgressBar : UserControl
{
public BasicProgressBar()
{
InitializeComponent();
FillBrush = new SolidBrush(BarColor);
BackBrush = new SolidBrush(BackColor);
}
public override Color BackColor
{
get
{
return base.BackColor;
}
set
{
base.BackColor = value;
BackBrush = new SolidBrush(value);
}
}
int maximum = 0;
int value = 0;
public virtual int Maximum
{
get { return maximum; }
set { maximum = value; Invalidate(); }
}
public virtual int Value
{
get { return value; }
set { this.value = value; Invalidate(); }
}
Color barColor = Color.White;
protected virtual Brush FillBrush { get; set; }
protected virtual Brush BackBrush { get; set; }
public virtual Color BarColor
{
get { return barColor; }
set
{
barColor = value;
FillBrush = new SolidBrush(barColor);
Invalidate();
}
}
protected override void OnPaint(PaintEventArgs e)
{
if (Width > 1 && Height > 1)
{
if (Value >= 0 && Maximum > 0)
{
double percent = ((double)Value) / ((double)Maximum);
int desiredWidth = (int)(Width * percent);
e.Graphics.FillRectangle(FillBrush, 0, 0, desiredWidth, Height);
if (desiredWidth < Width)
{
e.Graphics.FillRectangle(BackBrush, desiredWidth, 0, (Width - desiredWidth), Height);
}
}
}
base.OnPaint(e);
}
} |
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