/// <summary>
/// Provides a way to edit a property and returns the new value.
/// </summary>
/// <param name="context"></param>
/// <param name="provider"></param>
/// <param name="value"></param>
/// <returns></returns>
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
var color = ((Color)value);
var form = new PsColorPicker(color);
if (form.ShowDialog() != DialogResult.OK)
{
return(color);
}
var newColor = form.Color;
var result = Color.FromArgb(color.A, newColor.R, newColor.G, newColor.B);
return(result);
}
/// <summary>
/// Opens color selector and sets the appropriate text box.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void BtnPropColorSelect_Click(object sender, EventArgs e)
{
var button = (Button)sender;
var textBoxName = button.Name.Replace("Btn", "Txt");
var textBoxField = this.GetType().GetField(textBoxName, BindingFlags.NonPublic | BindingFlags.Instance);
if (textBoxField == null)
{
MessageBox.Show("Text box not found.", Title, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
var textBox = textBoxField.GetValue(this);
var textProperty = textBoxField.FieldType.GetProperty("Text", BindingFlags.Public | BindingFlags.Instance);
if (textProperty == null)
{
MessageBox.Show("Text property not found.", Title, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
var prevColorText = ((string)textProperty.GetValue(textBox)).Replace("0x", "");
if (!int.TryParse(prevColorText, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out var prevColorArgb))
{
prevColorArgb = 0xFFFFFF;
}
var prevColor = Color.FromArgb(prevColorArgb);
var form = new PsColorPicker(prevColor);
if (form.ShowDialog() != DialogResult.OK)
{
return;
}
var newColor = form.Color;
var newColorText = string.Format("0x{0:X8}", newColor.ToArgb());
button.BackColor = newColor;
textProperty.SetValue(textBox, newColorText);
}
/// <summary>
/// Opens a color picker on left click to select a new color,
/// or resets the color to the default on right-click.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void LblColor_MouseClick(object sender, MouseEventArgs e)
{
var control = (sender as Control);
if (e.Button == MouseButtons.Left)
{
var form = new PsColorPicker(control.BackColor);
form.ShowDialog();
if (form.DialogResult == DialogResult.OK)
{
control.BackColor = form.Color;
}
}
else if (e.Button == MouseButtons.Right)
{
this.ResetOption(control.Tag as string);
}
}