一、ListView類
????????? 1、常用的基本屬性:
??????? (1)FullRowSelect:設(shè)置是否行選擇模式。(默認(rèn)為false) 提示:只有在Details視圖該屬性才有意義。
??????? (2) GridLines:設(shè)置行和列之間是否顯示網(wǎng)格線。(默認(rèn)為false)提示:只有在Details視圖該屬性才有意義。
??????? (3)AllowColumnReorder:設(shè)置是否可拖動(dòng)列標(biāo)頭來(lái)對(duì)改變列的順序。(默認(rèn)為false)提示:只有在Details視圖該屬性才有意義。
??????? (4)View:獲取或設(shè)置項(xiàng)在控件中的顯示方式,包括Details、LargeIcon、List、SmallIcon、Tile(默認(rèn)為 LargeIcon)
??????? (5)MultiSelect:設(shè)置是否可以選擇多個(gè)項(xiàng)。(默認(rèn)為false)
??????? (6)HeaderStyle:獲取或設(shè)置列標(biāo)頭樣式。
????????????????? Clickable:列標(biāo)頭的作用類似于按鈕,單擊時(shí)可以執(zhí)行操作(例如排序)。
????????????????? NonClickable:列標(biāo)頭不響應(yīng)鼠標(biāo)單擊。
????????????????? None:不顯示列標(biāo)頭。
??????? (7)LabelEdit:設(shè)置用戶是否可以編輯控件中項(xiàng)的標(biāo)簽,對(duì)于Detail視圖,只能編輯行第一列的內(nèi)容。(默認(rèn)為false)
??????? (8)CheckBoxes:設(shè)置控件中各項(xiàng)的旁邊是否顯示復(fù)選框。(默認(rèn)為false)
??????? (9)LargeImageList:大圖標(biāo)集。提示:只在LargeIcon視圖使用。
??????? (10)SmallImageList:小圖標(biāo)集。提示:只有在SmallIcon視圖使用。
??????? (11)StateImageList:圖像蒙板。這些圖像蒙板可用作LargeImageList和SmallImageList圖像的覆蓋圖,這些圖像可用于指示項(xiàng)的應(yīng)用程序定義的狀態(tài)。(暫時(shí)不大懂)
??????? (12)SelectedItems:獲取在控件中選定的項(xiàng)。
??????? (13)CheckedItems:獲取控件中當(dāng)前復(fù)選框選中的項(xiàng)。
??????? (14)Soritng:對(duì)列表視圖的項(xiàng)進(jìn)行排序。(默認(rèn)為None)
??????????????????? Ascending:項(xiàng)按遞增順序排序。
??????????????????? Descending:項(xiàng)按遞減順序排序。
??????????????????? None:項(xiàng)未排序。
???????? (15)Scrollable:設(shè)置當(dāng)沒有足夠空間來(lái)顯示所有項(xiàng)時(shí)是否顯示滾動(dòng)條。(默認(rèn)為true)
???????? (16)HoverSelection:設(shè)置當(dāng)鼠標(biāo)指針懸停于項(xiàng)上時(shí)是否自動(dòng)選擇項(xiàng)。(默認(rèn)為false)
???????? (17)HotTracking:設(shè)置當(dāng)鼠標(biāo)指針經(jīng)過(guò)項(xiàng)文本時(shí),其外觀是否變?yōu)槌溄拥男问健?#xff08;默認(rèn)為false)
???????? (18)HideSelection:設(shè)置選定項(xiàng)在控件沒焦點(diǎn)時(shí)是否仍突出顯示。(默認(rèn)為false)
???????? (19)ShowGroups:設(shè)置是否以分組方式顯示項(xiàng)。(默認(rèn)為false);
???????? (20)Groups:設(shè)置分組的對(duì)象集合。
????????? (21)TopItem:獲取或設(shè)置控件中的第一個(gè)可見項(xiàng),可用于定位。(效果類似于EnsureVisible方法)
?????????? 2、常用方法:
????????? (1)BeginUpdate:避免在調(diào)用EndUpdate 方法之前描述控件。當(dāng)插入大量數(shù)據(jù)時(shí),可以有效地避免控件閃爍,并能大大提高速度。
????????? (2)EndUpdate:在BeginUpdate 方法掛起描述后,繼續(xù)描述列表視圖控件。(結(jié)束更新)
????????? (3)EnsureVisible:列表視圖滾動(dòng)定位到指定索引項(xiàng)的選項(xiàng)行。(效果類似于TopItem屬性)
????????? (4)FindItemWithText:查找以給定文本值開頭的第一個(gè) ListViewItem。
?????????? (5)FindNearestItem:按照指定的搜索方向,從給定點(diǎn)開始查找下一個(gè)項(xiàng)。提示:只有在LargeIcon或SmallIcon視圖才能使用該方法。
??????????? 3、常用事件:
???????? (1)AfterLabelEdit:當(dāng)用戶編輯完項(xiàng)的標(biāo)簽時(shí)發(fā)生,需要LabelEdit屬性為true。
???????? (2)BeforeLabelEdit:當(dāng)用戶開始編輯項(xiàng)的標(biāo)簽時(shí)發(fā)生。
???????? (3)ColumnClick:當(dāng)用戶在列表視圖控件中單擊列標(biāo)頭時(shí)發(fā)生。
?? 二、ListView的五種視圖:
??????? 1、LargeIcon:每個(gè)項(xiàng)都顯示為一個(gè)最大化圖標(biāo),在它的下面有一個(gè)標(biāo)簽。(效果見下圖)
???????? 2、SmallIcon:每個(gè)項(xiàng)都顯示為一個(gè)小圖標(biāo),在它的右邊帶一個(gè)標(biāo)簽。(效果見下圖)
???????? 3、List:每個(gè)項(xiàng)都顯示為一個(gè)小圖標(biāo),在它的右邊帶一個(gè)標(biāo)簽。各項(xiàng)排列在列中,沒有列標(biāo)頭。(效果見下圖)
???????? 4、Details:可以顯示任意的列,但只有第一列可以包含一個(gè)小圖標(biāo)和標(biāo)簽,其它的列項(xiàng)只能顯示文字信息,有列表頭。(效果見下圖)
???????? 5、Tile:每個(gè)項(xiàng)都顯示為一個(gè)完整大小的圖標(biāo),在它的右邊帶項(xiàng)標(biāo)簽和子項(xiàng)信息。(只有Windows XP 和 Windows Server 2003 系列支持)
??????? ①Details視圖:
??????????? this.listView1.SmallImageList = this.imageList1;? //將listView的圖標(biāo)集與imageList1綁定
???????? (1)列表頭創(chuàng)建(記得,需要先創(chuàng)建列表頭)????? ?
[csharp] view plaincopyprint?
ColumnHeader? ch= new ColumnHeader();?? nbsp;ch.Text = "列標(biāo)題1";?? ? ? ch.Width = 120;??? ?? ch.TextAlign = HorizontalAlignment.Left;?? ? ? this.listView1.Columns.Add(ch);????
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ColumnHeader??ch=?new?ColumnHeader();????ch.Text?=?"列標(biāo)題1";???????ch.Width?=?120;????????ch.TextAlign?=?HorizontalAlignment.Left;???????this.listView1.Columns.Add(ch);??????
ColumnHeader ch= new ColumnHeader();ch.Text = "列標(biāo)題1"; //設(shè)置列標(biāo)題ch.Width = 120; //設(shè)置列寬度ch.TextAlign = HorizontalAlignment.Left; //設(shè)置列的對(duì)齊方式this.listView1.Columns.Add(ch); //將列頭添加到ListView控件。
????????????????????????? 或者
[csharp] view plaincopyprint?
this.listView1.Columns.Add("列標(biāo)題1", 120,? HorizontalAlignment.Left);?
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this.listView1.Columns.Add("列標(biāo)題1",?120,??HorizontalAlignment.Left);???
this.listView1.Columns.Add("列標(biāo)題1", 120, HorizontalAlignment.Left); //一步添加
?????? (2)添加數(shù)據(jù)項(xiàng)???????
[csharp] view plaincopyprint?
this.listView1.BeginUpdate();???? for (int i = 0; i < 10; i++)??? {? ???? ListViewItem lvi = new ListViewItem();?? ???? lvi.ImageIndex = i;???? ?? ???? lvi.Text = "subitem" + i;?? ???? lvi.SubItems.Add("第2列,第"+i+"行");?? ???? lvi.SubItems.Add("第3列,第"+i+"行");?? ???? this.listView1.Items.Add(lvi);?}? ? this.listView1.EndUpdate();? ?
[csharp] view plain
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this.listView1.BeginUpdate();???????for?(int?i?=?0;?i?<?10;?i++)?????{??????ListViewItem?lvi?=?new?ListViewItem();????????lvi.ImageIndex?=?i;?????????????lvi.Text?=?"subitem"?+?i;????????lvi.SubItems.Add("第2列,第"+i+"行");????????lvi.SubItems.Add("第3列,第"+i+"行");????????this.listView1.Items.Add(lvi);??}????this.listView1.EndUpdate();????
this.listView1.BeginUpdate(); //數(shù)據(jù)更新,UI暫時(shí)掛起,直到EndUpdate繪制控件,可以有效避免閃爍并大大提高加載速度f(wàn)or (int i = 0; i < 10; i++) //添加10行數(shù)據(jù){ListViewItem lvi = new ListViewItem();lvi.ImageIndex = i; //通過(guò)與imageList綁定,顯示imageList中第i項(xiàng)圖標(biāo)lvi.Text = "subitem" + i;lvi.SubItems.Add("第2列,第"+i+"行");lvi.SubItems.Add("第3列,第"+i+"行");this.listView1.Items.Add(lvi);}this.listView1.EndUpdate(); //結(jié)束數(shù)據(jù)處理,UI界面一次性繪制。
????????? (3)顯示項(xiàng)
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foreach (ListViewItem itemin this.listView1.Items)?{? ????? for (int i = 0; i < item.SubItems.Count; i++)?????? {? ????????? MessageBox.Show(item.SubItems[i].Text);? ????? }? }?
[csharp] view plain
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foreach?(ListViewItem?item?in?this.listView1.Items)??{????????for?(int?i?=?0;?i?<?item.SubItems.Count;?i++)????????{????????????MessageBox.Show(item.SubItems[i].Text);????????}??}??
foreach (ListViewItem item in this.listView1.Items){for (int i = 0; i < item.SubItems.Count; i++){MessageBox.Show(item.SubItems[i].Text);}}
?????????? (4)移除某項(xiàng)
[csharp] view plaincopyprint?
foreach (ListViewItem lviin listView1.SelectedItems)? ?{? ????? listView1.Items.RemoveAt(lvi.Index); ? ????? ?}????
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foreach?(ListViewItem?lvi?in?listView1.SelectedItems)????{????????listView1.Items.RemoveAt(lvi.Index);???????????}?????
foreach (ListViewItem lvi in listView1.SelectedItems) //選中項(xiàng)遍歷{listView1.Items.RemoveAt(lvi.Index); // 按索引移除//listView1.Items.Remove(lvi); //按項(xiàng)移除}
????????? (5)行高設(shè)置(利用imageList實(shí)現(xiàn))
[csharp] view plaincopyprint?
ImageList imgList = new ImageList();?? imgList.ImageSize = new Size(1, 20);?? listView1.SmallImageList = imgList; ?
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ImageList?imgList?=?new?ImageList();????imgList.ImageSize?=?new?Size(1,?20);????listView1.SmallImageList?=?imgList;???
ImageList imgList = new ImageList();imgList.ImageSize = new Size(1, 20);// 設(shè)置行高 20 //分別是寬和高listView1.SmallImageList = imgList; //這里設(shè)置listView的SmallImageList ,用imgList將其撐大
????????? (6)清空
[csharp] view plaincopyprint?
this.listView1.Clear();?? ? this.listView1.Items.Clear();??
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this.listView1.Clear();??????this.listView1.Items.Clear();????
this.listView1.Clear(); //從控件中移除所有項(xiàng)和列(包括列表頭)。this.listView1.Items.Clear(); //只移除所有的項(xiàng)。
運(yùn)行效果:
??????? ②largeIcon視圖:
[csharp] view plaincopyprint?
this.listView1.View = View.LargeIcon;?? this.listView1.LargeImageList =this.imageList2;? ? this.listView1.BeginUpdate();?? for (int i = 0; i < 10; i++)?{? ????? ListViewItem lvi = new ListViewItem();?? ????? lvi.ImageIndex = i;? ? ????? lvi.Text = "item" + i;?? ????? this.listView1.Items.Add(lvi);?}? ? this.listView1.EndUpdate();?
[csharp] view plain
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this.listView1.View?=?View.LargeIcon;????this.listView1.LargeImageList?=?this.imageList2;????this.listView1.BeginUpdate();?????for?(int?i?=?0;?i?<?10;?i++)???{????????ListViewItem?lvi?=?new?ListViewItem();??????????lvi.ImageIndex?=?i;??????????lvi.Text?=?"item"?+?i;??????????this.listView1.Items.Add(lvi);???}?????this.listView1.EndUpdate();??
this.listView1.View = View.LargeIcon;this.listView1.LargeImageList = this.imageList2;this.listView1.BeginUpdate();for (int i = 0; i < 10; i++){ListViewItem lvi = new ListViewItem();lvi.ImageIndex = i;lvi.Text = "item" + i;this.listView1.Items.Add(lvi);}this.listView1.EndUpdate();運(yùn)行效果:
?????? ?? ③SmallIcon視圖:
[csharp] view plaincopyprint?
this.listView1.View = View.SmallIcon;?? this.listView1.SmallImageList=this.imageList1;? ? this.listView1.BeginUpdate();?? for (int i = 0; i < 10; i++)?{? ???? ListViewItem lvi = new ListViewItem();?? ????? lvi.ImageIndex = i;? ? ????? lvi.Text = "item" + i;?? ????? this.listView1.Items.Add(lvi);?}? ? this.listView1.EndUpdate();?
[csharp] view plain
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this.listView1.View?=?View.SmallIcon;????this.listView1.SmallImageList=?this.imageList1;????this.listView1.BeginUpdate();????for?(int?i?=?0;?i?<?10;?i++)??{???????ListViewItem?lvi?=?new?ListViewItem();??????????lvi.ImageIndex?=?i;??????????lvi.Text?=?"item"?+?i;??????????this.listView1.Items.Add(lvi);??}????this.listView1.EndUpdate();??
this.listView1.View = View.SmallIcon;this.listView1.SmallImageList= this.imageList1;this.listView1.BeginUpdate();for (int i = 0; i < 10; i++){ListViewItem lvi = new ListViewItem();lvi.ImageIndex = i;lvi.Text = "item" + i;this.listView1.Items.Add(lvi);}this.listView1.EndUpdate();運(yùn)行效果:
???????? ? ④List視圖:???
[csharp] view plaincopyprint?
this.listView1.View = View.List;?? this.listView1.SmallImageList=this.imageList1;? ? this.listView1.BeginUpdate();?? for (int i = 0; i < 10; i++)?{? ???? ListViewItem lvi = new ListViewItem();?? ???? lvi.ImageIndex = i;? ? ???? lvi.Text = "item" + i;?? ???? this.listView1.Items.Add(lvi);?}? ? this.listView1.EndUpdate();?
[csharp] view plain
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this.listView1.View?=?View.List;????this.listView1.SmallImageList=?this.imageList1;????this.listView1.BeginUpdate();????for?(int?i?=?0;?i?<?10;?i++)??{???????ListViewItem?lvi?=?new?ListViewItem();?????????lvi.ImageIndex?=?i;?????????lvi.Text?=?"item"?+?i;?????????this.listView1.Items.Add(lvi);??}????this.listView1.EndUpdate();??
this.listView1.View = View.List;this.listView1.SmallImageList= this.imageList1;this.listView1.BeginUpdate();for (int i = 0; i < 10; i++){ListViewItem lvi = new ListViewItem();lvi.ImageIndex = i;lvi.Text = "item" + i;this.listView1.Items.Add(lvi);}this.listView1.EndUpdate();運(yùn)行效果:
???? 三、其它應(yīng)用
?????? ? 1、分組:?? ??
[csharp] view plaincopyprint?
ListViewGroup man_lvg = new ListViewGroup();?? ? man_lvg.Header = "男生";? ? ? ?? man_lvg.HeaderAlignment = HorizontalAlignment.Left;?? ? ? ListViewGroup women_lvg = new ListViewGroup();?? ? women_lvg.Header = "女生";?? ?? women_lvg.HeaderAlignment = HorizontalAlignment.Center;?? ? ? this.listView1.Groups.Add(man_lvg);???? ? this.listView1.Groups.Add(women_lvg);??? ? this.listView1.ShowGroups =true;? ?? for (int i = 0; i < 5; i++)?{? ???? ListViewItem lvi = new ListViewItem();?? ???? lvi.ImageIndex = i;? ? ???? lvi.Text = "item"+i;?? ???? lvi.ForeColor = Color.Blue;? ?? ???? lvi.SubItems.Add("第2列,第"+i+"行");?? ???? lvi.SubItems.Add("第3列,第"+i+"行");?? ???? man_lvg.Items.Add(lvi);?? ?? ???? ?? ???? this.listView1.Items.Add(lvi);?}?
[csharp] view plain
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?ListViewGroup?man_lvg?=?new?ListViewGroup();???????man_lvg.Header?=?"男生";????????????man_lvg.HeaderAlignment?=?HorizontalAlignment.Left;????????ListViewGroup?women_lvg?=?new?ListViewGroup();???????women_lvg.Header?=?"女生";??????????women_lvg.HeaderAlignment?=?HorizontalAlignment.Center;????????this.listView1.Groups.Add(man_lvg);?????????this.listView1.Groups.Add(women_lvg);????????this.listView1.ShowGroups?=?true;???????for?(int?i?=?0;?i?<?5;?i++)???{???????ListViewItem?lvi?=?new?ListViewItem();?????????lvi.ImageIndex?=?i;?????????lvi.Text?=?"item"+i;?????????lvi.ForeColor?=?Color.Blue;???????????lvi.SubItems.Add("第2列,第"+i+"行");?????????lvi.SubItems.Add("第3列,第"+i+"行");?????????man_lvg.Items.Add(lvi);?????????????????????this.listView1.Items.Add(lvi);??}??
ListViewGroup man_lvg = new ListViewGroup(); //創(chuàng)建男生分組man_lvg.Header = "男生"; //設(shè)置組的標(biāo)題。//man_lvg.Name = "man"; //設(shè)置組的名稱。man_lvg.HeaderAlignment = HorizontalAlignment.Left; //設(shè)置組標(biāo)題文本的對(duì)齊方式。(默認(rèn)為L(zhǎng)eft)ListViewGroup women_lvg = new ListViewGroup(); //創(chuàng)建女生分組women_lvg.Header = "女生";//women_lvg.Name = "women";women_lvg.HeaderAlignment = HorizontalAlignment.Center; //組標(biāo)題居中對(duì)齊this.listView1.Groups.Add(man_lvg); //把男生分組添加到listview中this.listView1.Groups.Add(women_lvg); //把男生分組添加到listview中this.listView1.ShowGroups = true; //記得要設(shè)置ShowGroups屬性為true(默認(rèn)是false),否則顯示不出分組for (int i = 0; i < 5; i++){ListViewItem lvi = new ListViewItem();lvi.ImageIndex = i;lvi.Text = "item"+i;lvi.ForeColor = Color.Blue; //設(shè)置行顏色lvi.SubItems.Add("第2列,第"+i+"行");lvi.SubItems.Add("第3列,第"+i+"行");man_lvg.Items.Add(lvi); //分組添加子項(xiàng)// 或 lvi.Group = man_lvg; //分組添加子項(xiàng)this.listView1.Items.Add(lvi);}
運(yùn)行效果:
????????? 2、查找文本(只能查找到匹配前綴的文本且只能找出第一個(gè)符合的項(xiàng)):
[csharp] view plaincopyprint?
ListViewItem foundItem= this.listView1.FindItemWithText(this.textBox1.Text,true,0);???? ? if (foundItem != null)? {? ? ?? this.listView1.TopItem = foundItem;?? ? ?? foundItem.ForeColor = Color.Red;??? }?
listView中添加項(xiàng):
array[] content=new array[2];
content[0]=" a";
content[1]="b";
ListViewItem lv=new ListViewItem(content);
listview.items.add(lv);//添加一行數(shù)據(jù)
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