private void SetTextBoxFromProperty()
{
if (m_context != null && m_context.LastSelectedObject != null)
{
string propertyText = PropertyUtils.GetPropertyText(m_context.LastSelectedObject, m_descriptor);
m_initialText = propertyText;
m_textBox.Text = propertyText;
m_textBox.Font = Font;
m_textBox.ReadOnly = m_descriptor.IsReadOnly;
m_textBox.ForeColor = (m_descriptor.IsReadOnly) ? SystemColors.GrayText : ForeColor;
}
}
/// <summary>
/// Draws the property editing representation, in the same way that the control
/// presents the property in the GUI. Use this method to draw inactive properties
/// when multitasking a single PropertyEditingControl.</summary>
/// <param name="descriptor">Property descriptor</param>
/// <param name="context">Type descriptor context</param>
/// <param name="bounds">Bounds containing graphics</param>
/// <param name="font">Font to use for rendering property text</param>
/// <param name="brush">Brush for rendering property text</param>
/// <param name="g">Graphics object</param>
public static void DrawProperty(
PropertyDescriptor descriptor,
ITypeDescriptorContext context,
Rectangle bounds,
Font font,
Brush brush,
Graphics g)
{
object owner = context.Instance;
if (owner == null)
{
return;
}
UITypeEditor editor = WinFormsPropertyUtils.GetUITypeEditor(descriptor, context);
if (editor != null)
{
if (editor.GetPaintValueSupported(context))
{
object value = descriptor.GetValue(owner);
Rectangle paintRect = new Rectangle(
bounds.Left + 1,
bounds.Top + 1,
PaintRectWidth,
PaintRectHeight);
editor.PaintValue(new PaintValueEventArgs(context, value, g, paintRect));
bounds.X += PaintRectTextOffset;
bounds.Width -= PaintRectTextOffset;
g.DrawRectangle(SystemPens.ControlDark, paintRect);
}
}
string valueString = PropertyUtils.GetPropertyText(owner, descriptor);
bounds.Height = font.Height;
if (s_textFormat.CustomFlags == CustomStringFormatFlags.TrimLeftWithEllipses)
{
valueString = TrimStringLeftWithEllipses(valueString, bounds, font, g);
}
g.DrawString(valueString, font, brush, bounds, s_textFormat.Format);
}
/// <summary>
/// Gets property text for this property, possibly using a TypeConverter</summary>
/// <returns>Property text for this property</returns>
public string GetPropertyText()
{
string text = PropertyUtils.GetPropertyText(LastSelectedObject, m_descriptor);
return(text);
}