private void ShowObject(GraphicalObject data, int x, int y)
{
using (Graphics g = pictureBox1.CreateGraphics())
{
drawObject(g, data, x, y);
}
}
private void loadData(string fileName)
{
ClearData();
using (StreamReader reader = new StreamReader(fileName))
{
string line;
while ((line = reader.ReadLine()) != null)
{
GraphicalObject obj = LineToGraphicalObject(line);
AddData(obj);
}
}
}
private void okButton_Click(object sender, EventArgs e)
{
if (comboBox1.SelectedIndex < 0)
{
comboBox1.Focus();
DialogResult = DialogResult.None;
return;
}
Value = new GraphicalObject();
Value.type = (ObjectType)comboBox1.SelectedItem;
Value.dx = (int)dxUpDown.Value;
Value.dy = (int)dyUpDown.Value;
}
private GraphicalObject LineToGraphicalObject(string line)
{
string[] parts = line.Split(',');
if (parts.Length != 3)
{
throw new InvalidDataException("Line format incorrect.");
}
GraphicalObject obj = new GraphicalObject();
obj.type = (ObjectType)Int16.Parse(parts[0]);
obj.dx = Int32.Parse(parts[1]);
obj.dy = Int32.Parse(parts[2]);
return(obj);
}
private void drawObject(Graphics g, GraphicalObject data, int x, int y)
{
switch (data.type)
{
case ObjectType.LINE:
g.DrawLine(Pens.Black, x, y, x + data.dx, y + data.dy);
break;
case ObjectType.RECTANGLE:
g.DrawRectangle(Pens.Black, x, y, data.dx, data.dy);
break;
case ObjectType.CIRCLE:
g.DrawEllipse(Pens.Black, x, y, data.dx, data.dy);
break;
default:
break;
}
// Refresh();
}
private void AddData(GraphicalObject obj)
{
objects.Add(obj);
listBox1.Items.Add(obj);
objectCountLabel.Text = objects.Capacity.ToString();
}
