protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
var context = canvas.NativeDeviceContext;
const float border = 2;
var format = canvas.GetTextFormat(Font);
var brush = canvas.GetBrush(Color);
var rect = new RectangleF(border, border, Size.X - border * 2, Size.Y - border * 2);
float percentage = (Value - Minimum) / (Maximum - Minimum);
context.FillRectangle(new RectangleF(rect.X, rect.Y, rect.Width * percentage, rect.Height), brush);
rect.X += border;
rect.Width -= border * 2;
format.ParagraphAlignment = ParagraphAlignment.Center;
brush.Color = Forecolor.ToRawColor4();
format.TextAlignment = TextAlignment.Leading;
context.DrawText(Text, format, rect, brush);
format.TextAlignment = TextAlignment.Trailing;
context.DrawText(Value.ToString(), format, rect, brush);
}
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
var format = canvas.GetTextFormat(Font);
var brush = canvas.GetBrush(Forecolor);
format.ParagraphAlignment = ParagraphAlignment.Center;
format.TextAlignment = TextAlignment.Center;
for (int i = 0; i < Items.Count; i++)
{
var item = Items[i];
var metric = metrics[item];
var rect = new RectangleF(metric.Position.X, metric.Position.Y, metric.Size.X, metric.Size.Y);
if (i == hover)
{
brush.Color = InterfaceColors.ControlHover.ToRawColor4();
canvas.NativeDeviceContext.FillRectangle(rect, brush);
brush.Color = Forecolor.ToRawColor4();
}
canvas.NativeDeviceContext.DrawText(item.Text ?? "", format, rect, brush);
}
}
public virtual void GetObjectData(SerializationInfo info, StreamingContext context)
{
info.AddValue("Text", Text);
info.AddValue("Forecolor", Forecolor.ToArgb().ToString());
info.AddValue("Backcolor", Backcolor.ToArgb().ToString());
info.AddValue("Indent", Indent);
if (mFont != null)
{
info.AddValue("Font", Serialize.AddFont(mFont));
}
info.AddValue("Parent", Parent);
info.AddValue("Table", Table);
Serialize.SerializeTag(info, Tag);
}
public override void GetObjectData(SerializationInfo info, StreamingContext context)
{
info.AddValue("Heading", Heading);
info.AddValue("SubHeading", SubHeading);
info.AddValue("HeadingHeight", HeadingHeight);
info.AddValue("Expanded", Expanded);
info.AddValue("DrawExpand", DrawExpand);
info.AddValue("ExpandedSize", Serialize.AddSizeF(ExpandedSize));
info.AddValue("ContractedSize", Serialize.AddSizeF(ContractedSize));
info.AddValue("GroupHeight", GroupHeight);
info.AddValue("RowHeight", RowHeight);
info.AddValue("Indent", Indent);
info.AddValue("Font", Serialize.AddFont(Font));
info.AddValue("Forecolor", Forecolor.ToArgb().ToString());
info.AddValue("Groups", Groups);
info.AddValue("Rows", Rows);
info.AddValue("SelectedItem", SelectedItem);
info.AddValue("DrawSelectedItem", DrawSelectedItem);
base.GetObjectData(info, context);
}
protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
var context = canvas.NativeDeviceContext;
var brush = canvas.GetBrush(Forecolor);
var format = canvas.GetTextFormat(Font);
format.ParagraphAlignment = ParagraphAlignment.Center;
format.TextAlignment = TextAlignment.Leading;
for (int i = 0; i < Items.Count; i++)
{
var rect = new RectangleF(Margin, Margin + 40 * i, Size.X - Margin * 2, 40);
if (selectedItem == i)
{
brush.Color = InterfaceColors.ControlHover.ToRawColor4();
context.FillRectangle(rect, brush);
brush.Color = Forecolor.ToRawColor4();
}
rect.X += 10; rect.Width -= 20;
context.DrawText(Items[i].Text ?? "", format, rect, brush);
}
}
private void DrawItems(TreeItemCollection items, ref DrawContext context)
{
foreach (var item in items)
{
if (hover?.item == item)
{
context.brush.Color = Color.ToRawColor4();
context.canvas.NativeDeviceContext.FillRectangle(hover.bounds, context.brush);
context.brush.Color = (checkHover ? Backcolor : Forecolor).ToRawColor4();
}
if (item.Children.Count > 0)
{
var select = new RectangleF(context.indent * context.indentWidth + 10,
(context.offset + 0.5f) * context.lineHeight - 8,
16, 16);
context.canvas.NativeDeviceContext.FillRectangle(select, context.brush);
}
context.brush.Color = Forecolor.ToRawColor4();
if (item.Text != null)
{
var rect = new RectangleF(context.indent * context.indentWidth + 30,
context.offset++ *context.lineHeight, Width, context.lineHeight);
context.canvas.NativeDeviceContext.DrawText(item.Text, context.format, rect, context.brush);
}
if (item.Expanded && item.Children.Count > 0)
{
context.indent++;
DrawItems(item.Children, ref context);
context.indent--;
}
}
}