hi
in the following code:
using System;
using System.Collections.Generic;
using System.Windows.Forms;
namespace BindingSourceSimpleTest
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
public class Color
{
public string Name { get; set; }
public int Red { get; set; }
public int Green { get; set; }
public int Blue { get; set; }
}
public class Obj
{
public string Name { get; set; }
public string Color { get; set; }
}
private void Form1_Load(object sender, EventArgs e)
{
var colors = new List<Color>();
colors.Add(new Color { Name = "Black", Red = 0, Green = 0, Blue = 0 });
colors.Add(new Color { Name = "Blue", Red = 0, Green = 0, Blue = 255 });
colors.Add(new Color { Name = "Red", Red = 255, Green = 0, Blue = 0 });
colors.Add(new Color { Name = "Magenta", Red = 255, Green = 0, Blue = 255 });
colors.Add(new Color { Name = "Green", Red = 0, Green = 255, Blue = 0 });
colors.Add(new Color { Name = "Cyan", Red = 0, Green = 255, Blue = 255 });
colors.Add(new Color { Name = "Yellow", Red = 255, Green = 255, Blue = 0 });
colors.Add(new Color { Name = "White", Red = 255, Green = 255, Blue = 255 });
var objs = new List<Obj>();
objs.Add(new Obj { Name = "Sun", Color = "Yellow" });
objs.Add(new Obj { Name = "Grass", Color = "Green" });
objs.Add(new Obj { Name = "Blood", Color = "Red" });
objs.Add(new Obj { Name = "Sky", Color = "Blue" });
objs.Add(new Obj { Name = "Hair", Color = "Black" });
objs.Add(new Obj { Name = "Snow", Color = "White" });
objs.Add(new Obj { Name = "Rose", Color = "Red" });
listBoxObjs.DataSource = new BindingSource(objs, null);
listBoxColors.DataSource = new BindingSource(colors, null);
comboBoxObjColor.DataSource = new BindingSource(colors, null);
textBoxObjName.DataBindings.Add("Text", listBoxObjs.DataSource, "Name");
comboBoxObjColor.DataBindings.Add("SelectedItem", listBoxObjs.DataSource, "Color");
textBoxColorName.DataBindings.Add("Text", listBoxColors.DataSource, "Name");
textBoxColorRed.DataBindings.Add("Text", listBoxColors.DataSource, "Red");
textBoxColorGreen.DataBindings.Add("Text", listBoxColors.DataSource, "Green");
textBoxColorBlue.DataBindings.Add("Text", listBoxColors.DataSource, "Blue");
listBoxObjs.DisplayMember = listBoxColors.DisplayMember = comboBoxObjColor.DisplayMember = "Name";
}
}
}
and the following form UI:
Form1[
^]
1. i see that the sun is black! why?!
after a deeper look i found that the items in the list of colors are of type Color while the Color property of an object is of type string.
2. how can i make the Color property of an object be shown correctly in the combobox?
3. if i fix this, changing the combobox selection updates this property of an object correctly too?
4. if i fix this, does sun gets yellow? :)
thx