public void RefreshForm()
{
if (Form == null)
{
Form = new ColorEditorForm();
}
}
// ------------------------------------------------------------------
/// <summary>
/// Edits the specified object's value using the editor style indicated
/// by the <see cref="M:System.Drawing.Design.UITypeEditor.GetEditStyle"></see>
/// method.
/// </summary>
/// <param name="context">An <see cref="T:System.ComponentModel.ITypeDescriptorContext"></see>
/// that can be used to gain additional context information.</param>
/// <param name="provider">An <see cref="T:System.IServiceProvider"></see>
/// that this editor can use to obtain services.</param>
/// <param name="value">The object to edit.</param>
/// <returns>
/// The new value of the object. If the value of the object has not
/// changed, this should return the same object it was passed.
/// </returns>
public override object EditValue(
ITypeDescriptorContext context,
IServiceProvider provider,
object value )
{
Color color;
if ( value == null )
{
color = Color.Empty;
}else
{
color = (Color)value;
}
using ( var form = new ColorEditorForm() )
{
form.SelectedColor = color;
if ( form.ShowDialog() == DialogResult.OK )
{
value = form.SelectedColor;
}
}
return value;
}
// ------------------------------------------------------------------
/// <summary>
/// Edits the specified object's value using the editor style indicated
/// by the <see cref="M:System.Drawing.Design.UITypeEditor.GetEditStyle"></see>
/// method.
/// </summary>
/// <param name="context">An <see cref="T:System.ComponentModel.ITypeDescriptorContext"></see>
/// that can be used to gain additional context information.</param>
/// <param name="provider">An <see cref="T:System.IServiceProvider"></see>
/// that this editor can use to obtain services.</param>
/// <param name="value">The object to edit.</param>
/// <returns>
/// The new value of the object. If the value of the object has not
/// changed, this should return the same object it was passed.
/// </returns>
public override object EditValue(
ITypeDescriptorContext context,
IServiceProvider provider,
object value)
{
Color color;
if (value == null)
{
color = Color.Empty;
}
else
{
color = (Color)value;
}
using (var form = new ColorEditorForm())
{
form.SelectedColor = color;
if (form.ShowDialog() == DialogResult.OK)
{
value = form.SelectedColor;
}
}
return(value);
}
public MainForm()
{
InitializeComponent();
#if DEBUG
ColorEditorForm.Test();
#endif
}
private void launchColorEditorButton_Click(object sender, EventArgs e)
{
using (var form = new ColorEditorForm())
{
// Must set the extender _first_, since it helps in lookup
// of the selected color.
form.ExternalColorEditorInformationProvider = new ExternalTestProvider();
form.SelectedColor = colorPanel.BackColor;
if (form.ShowDialog(this) == DialogResult.OK)
{
colorPanel.BackColor = form.SelectedColor;
}
}
}
