func NewHatchBrush(color Color, style HatchStyle) (*HatchBrush, error) {
	lb := &win.LOGBRUSH{LbStyle: win.BS_HATCHED, LbColor: win.COLORREF(color), LbHatch: uintptr(style)}

	hBrush := win.CreateBrushIndirect(lb)
	if hBrush == 0 {
		return nil, newError("CreateBrushIndirect failed")
	}

	return &HatchBrush{hBrush: hBrush, color: color, style: style}, nil
}

func NewSolidColorBrush(color Color) (*SolidColorBrush, error) {
	lb := &win.LOGBRUSH{LbStyle: win.BS_SOLID, LbColor: win.COLORREF(color)}

	hBrush := win.CreateBrushIndirect(lb)
	if hBrush == 0 {
		return nil, newError("CreateBrushIndirect failed")
	}

	return &SolidColorBrush{hBrush: hBrush, color: color}, nil
}

func NewCosmeticPen(style PenStyle, color Color) (*CosmeticPen, error) {
	lb := &win.LOGBRUSH{LbStyle: win.BS_SOLID, LbColor: win.COLORREF(color)}

	style |= win.PS_COSMETIC

	hPen := win.ExtCreatePen(uint32(style), 1, lb, 0, nil)
	if hPen == 0 {
		return nil, newError("ExtCreatePen failed")
	}

	return &CosmeticPen{hPen: hPen, style: style, color: color}, nil
}

func (c *Canvas) withFontAndTextColor(font *Font, color Color, f func() error) error {
	return c.withGdiObj(win.HGDIOBJ(font.handleForDPI(c.dpiy)), func() error {
		oldColor := win.SetTextColor(c.hdc, win.COLORREF(color))
		if oldColor == win.CLR_INVALID {
			return newError("SetTextColor failed")
		}
		defer func() {
			win.SetTextColor(c.hdc, oldColor)
		}()

		return f()
	})
}

func (il *ImageList) AddMasked(bitmap *Bitmap) (int32, error) {
	if bitmap == nil {
		return 0, newError("bitmap cannot be nil")
	}

	index := win.ImageList_AddMasked(
		il.hIml,
		bitmap.handle(),
		win.COLORREF(il.maskColor))
	if index == -1 {
		return 0, newError("ImageList_AddMasked failed")
	}

	return index, nil
}

func (b *SystemColorBrush) logbrush() *win.LOGBRUSH {
	return &win.LOGBRUSH{
		LbStyle: win.BS_SOLID,
		LbColor: win.COLORREF(win.GetSysColor(b.colorIndex)),
	}
}

//.........这里部分代码省略.........
						tv.imageUintptr2Index,
						tv.filePath2IconIndex)
				}
			}

			if di.Item.StateMask&win.LVIS_STATEIMAGEMASK > 0 &&
				tv.itemChecker != nil {
				checked := tv.itemChecker.Checked(row)

				if checked {
					di.Item.State = 0x2000
				} else {
					di.Item.State = 0x1000
				}
			}

		case win.NM_CUSTOMDRAW:
			if tv.alternatingRowBGColor != defaultTVRowBGColor {
				nmlvcd := (*win.NMLVCUSTOMDRAW)(unsafe.Pointer(lParam))

				switch nmlvcd.Nmcd.DwDrawStage {
				case win.CDDS_PREPAINT:
					return win.CDRF_NOTIFYITEMDRAW

				case win.CDDS_ITEMPREPAINT:
					if nmlvcd.Nmcd.DwItemSpec%2 == 1 {
						/*if tv.hasDarkAltBGColor &&
							nmlvcd.Nmcd.UItemState&win.CDIS_HOT == 0 &&
							tv.SendMessage(win.LVM_GETITEMSTATE, nmlvcd.Nmcd.DwItemSpec, win.LVIS_SELECTED) == 0 &&
							int32(tv.SendMessage(win.LVM_GETSELECTEDCOLUMN, 0, 0)) != nmlvcd.ISubItem {
							fmt.Printf("selcol: %d, subitem: %d\n", int32(tv.SendMessage(win.LVM_GETSELECTEDCOLUMN, 0, 0)), nmlvcd.ISubItem)
							nmlvcd.ClrText = white
						}*/
						nmlvcd.ClrTextBk = win.COLORREF(tv.alternatingRowBGColor)
					}

					return win.CDRF_NOTIFYSUBITEMDRAW

				case win.CDDS_ITEMPREPAINT | win.CDDS_SUBITEM:
					if nmlvcd.Nmcd.DwItemSpec%2 == 1 &&
						tv.hasDarkAltBGColor &&
						nmlvcd.Nmcd.UItemState&win.CDIS_HOT == 0 &&
						tv.SendMessage(win.LVM_GETITEMSTATE, nmlvcd.Nmcd.DwItemSpec, win.LVIS_SELECTED) == 0 &&
						int32(tv.SendMessage(win.LVM_GETSELECTEDCOLUMN, 0, 0)) != nmlvcd.ISubItem {

						nmlvcd.ClrText = white
					}

					return win.CDRF_NEWFONT
				}
			}

			return win.CDRF_DODEFAULT

		case win.LVN_COLUMNCLICK:
			nmlv := (*win.NMLISTVIEW)(unsafe.Pointer(lParam))

			col := tv.fromLVColIdx(nmlv.ISubItem)
			tv.columnClickedPublisher.Publish(col)

			if sorter, ok := tv.model.(Sorter); ok && sorter.ColumnSortable(col) {
				prevCol := sorter.SortedColumn()
				var order SortOrder
				if col != prevCol || sorter.SortOrder() == SortDescending {
					order = SortAscending
				} else {

	"log"
	"math/big"
	"strconv"
	"strings"
	"syscall"
	"time"
	"unsafe"
)

import (
	"github.com/lxn/win"
)

var (
	defaultTVRowBGColor Color = Color(win.GetSysColor(win.COLOR_WINDOW))
	white                     = win.COLORREF(RGB(255, 255, 255))
)

const (
	tableViewCurrentIndexChangedTimerId = 1 + iota
	tableViewSelectedIndexesChangedTimerId
)

// TableView is a model based widget for record centric, tabular data.
//
// TableView is implemented as a virtual mode list view to support quite large
// amounts of data.
type TableView struct {
	WidgetBase
	columns                            *TableViewColumnList
	model                              TableModel