//以上全部为一些简单的属性.
//构造函数
public TextArea(TextEditorControl motherTextEditorControl, TextAreaControl motherTextAreaControl)
{
this.motherTextAreaControl = motherTextAreaControl;
this.motherTextEditorControl = motherTextEditorControl;
caret = new Caret(this);//附加插入符.
selectionManager = new SelectionManager(Document);//附加选择管理器.
ResizeRedraw = true;
SetStyle(ControlStyles.DoubleBuffer, false);
SetStyle(ControlStyles.Opaque, false);
SetStyle(ControlStyles.ResizeRedraw, true);
SetStyle(ControlStyles.Selectable, true);
textViewMargin = new TextViewMargin(this);//附加主要的文本区域。
gutterMargin = new GutterMargin(this);//附加装订线区域.
foldMargin = new FoldMargin(this);//附加折叠区域.
iconBarMargin = new IconBarMargin(this);//附加图标栏区域.
leftMargins.AddRange(new AbstractMargin[] { iconBarMargin, gutterMargin, foldMargin });
OptionsChanged();
textAreaClipboardHandler = new TextAreaClipboardHandler(this);//附加剪切办处理程序.
new TextAreaMouseHandler(this).Attach();
new TextAreaDragDropHandler().Attach(this);
bracketshemes.Add(new BracketHighlightingScheme('{', '}'));
bracketshemes.Add(new BracketHighlightingScheme('(', ')'));
bracketshemes.Add(new BracketHighlightingScheme('[', ']'));
caret.PositionChanged += new EventHandler(SearchMatchingBracket);
Document.TextContentChanged += new EventHandler(TextContentChanged);
Document.FoldingManager.FoldingsChanged += new EventHandler(DocumentFoldingsChanged);
}
public void SetDesiredColumn()
{
Caret.DesiredColumn = TextViewMargin.GetDrawingXPos(Caret.Line, Caret.Column) + (int)(VirtualTop.X * textViewMargin.GetWidth(' '));
}