C# Класс BrightIdeasSoftware.TreeListView.TreeRenderer

This class handles drawing the tree structure of the primary column.

Наследование: HighlightTextRenderer

Открытые свойства

Свойство	Тип	Описание
PIXELS_PER_LEVEL	int

Свойство	Тип	Описание

Метод	Описание
Render ( System graphic, System rect ) : void	The real work of drawing the tree is done in this method
TreeRenderer ( ) : System	Create a TreeRenderer

Метод	Описание
DrawExpansionGlyph ( Graphics g, Rectangle r, bool isExpanded ) : void	Draw the expansion indicator
DrawExpansionGlyphManual ( Graphics g, Rectangle r, bool isExpanded ) : void	Draw the expansion indicator without using styles
DrawExpansionGlyphStyled ( Graphics g, Rectangle r, bool isExpanded ) : void	Draw the expansion indicator using styles
DrawLines ( Graphics g, Rectangle r, Pen p, Branch br, int glyphMidVertical ) : void	Draw the lines of the tree
HandleGetEditRectangle ( Graphics g, Rectangle cellBounds, BrightIdeasSoftware.OLVListItem item, int subItemIndex, Size preferredSize ) : Rectangle	Calculate the edit rect
HandleHitTest ( Graphics g, BrightIdeasSoftware.OlvListViewHitTestInfo hti, int x, int y ) : void	Do the hit test

Draw the expansion indicator

protected DrawExpansionGlyph ( Graphics g, Rectangle r, bool isExpanded ) : void
g	System.Drawing.Graphics
r	System.Drawing.Rectangle
isExpanded	bool
Результат	void

Draw the expansion indicator without using styles

protected DrawExpansionGlyphManual ( Graphics g, Rectangle r, bool isExpanded ) : void
g	System.Drawing.Graphics
r	System.Drawing.Rectangle
isExpanded	bool
Результат	void

Draw the expansion indicator using styles

protected DrawExpansionGlyphStyled ( Graphics g, Rectangle r, bool isExpanded ) : void
g	System.Drawing.Graphics
r	System.Drawing.Rectangle
isExpanded	bool
Результат	void

Draw the lines of the tree

protected DrawLines ( Graphics g, Rectangle r, Pen p, Branch br, int glyphMidVertical ) : void
g	System.Drawing.Graphics
r	System.Drawing.Rectangle
p	System.Drawing.Pen
br	Branch
glyphMidVertical	int
Результат	void

Calculate the edit rect

protected HandleGetEditRectangle ( Graphics g, Rectangle cellBounds, BrightIdeasSoftware.OLVListItem item, int subItemIndex, Size preferredSize ) : Rectangle
g	System.Drawing.Graphics
cellBounds	System.Drawing.Rectangle
item	BrightIdeasSoftware.OLVListItem
subItemIndex	int
preferredSize	System.Drawing.Size
Результат	System.Drawing.Rectangle

Do the hit test

protected HandleHitTest ( Graphics g, BrightIdeasSoftware.OlvListViewHitTestInfo hti, int x, int y ) : void
g	System.Drawing.Graphics
hti	BrightIdeasSoftware.OlvListViewHitTestInfo
x	int
y	int
Результат	void

The real work of drawing the tree is done in this method

public Render ( System graphic, System rect ) : void
graphic	System
rect	System
Результат	void

Create a TreeRenderer

public TreeRenderer ( ) : System
Результат	System

How many pixels will be reserved for each level of indentation?

public static int PIXELS_PER_LEVEL
Результат	int