//根据书签名字返回书签 和 索引
public void findByName(string bmName, ref ISpatialBookmark outBM, ref int outIndex)
{
//Get the bookmarks of the focus map
IMapBookmarks mapBookmarks = (IMapBookmarks)pMap;
//Get bookmarks enumerator
IEnumSpatialBookmark enumSpatialBookmarks = mapBookmarks.Bookmarks;
enumSpatialBookmarks.Reset();
//Loop through the bookmarks to get bookmark names
ISpatialBookmark spatialBookmark = enumSpatialBookmarks.Next();
int bookmarkCount = 0;
while (spatialBookmark != null)
{
//Get the correct bookmark
if (spatialBookmark.Name == bmName)
{
outBM = spatialBookmark;
outIndex = bookmarkCount;
break;
}
bookmarkCount = bookmarkCount + 1;
spatialBookmark = enumSpatialBookmarks.Next();
}
}
private void btnOK_Click(object sender, System.EventArgs e)
{
IMapBookmarks pBookmarks = m_pMap as IMapBookmarks;
if (pBookmarks != null)
{
bool flag = false;
IEnumSpatialBookmark bookmarks = pBookmarks.Bookmarks;
ISpatialBookmark pBookmark;
bookmarks.Reset();
while ((pBookmark = bookmarks.Next()) != null)
{
if (pBookmark.Name == txtBookmarkName.Text)
{
break;
}
}
if (!flag)
{
frmCreateBookmarkView.nIndex = frmCreateBookmarkView.nIndex + 1;
pBookmark = new AOIBookmarkClass()
{
Name = txtBookmarkName.Text,
Location = (m_pMap as IActiveView).Extent
};
pBookmarks.AddBookmark(pBookmark);
}
}
}
private void frmManageBookMarker_Load(object sender, EventArgs e)
{
IEnumSpatialBookmark bookmarks = (this.imap_0 as IMapBookmarks).Bookmarks;
bookmarks.Reset();
for (ISpatialBookmark bookmark2 = bookmarks.Next(); bookmark2 != null; bookmark2 = bookmarks.Next())
{
this.listView1.Items.Add(bookmark2.Name).Tag = bookmark2;
}
}
//地图被替换时，加载地图文档的书签集合
//释放总览窗体，并关闭
private void axMapControl1_OnMapReplaced(object sender, IMapControlEvents2_OnMapReplacedEvent e)
{
/*
* 获取地图，然后，获取书签集合
* 如果地图有书签，遍历书签，每个书签创建一个菜单
* 如果没书签，直接return；
*/
//获取书签集合
IMapBookmarks mapBookmarks =
axMapControl1.Map as IMapBookmarks;
IEnumSpatialBookmark bookmarks
= mapBookmarks.Bookmarks;
//获取当前书签
ISpatialBookmark currentBookmark
= bookmarks.Next();
//如果没书签直接退出函数，有，则删除原地图文档的书签菜单，并添加一个分割条
if (currentBookmark == null)
{
return;
}
else
{
Int32 bookmarksStartMenuCount = menuBookmarks.DropDownItems.Count;
if (bookmarksStartMenuCount > 2)//有其他地图书签时
{
for (int i = 2; i < bookmarksStartMenuCount; i++)
{
menuBookmarks.DropDownItems.RemoveAt(2);
}
}
//添加一个分割条
menuBookmarks.DropDownItems.Add(new ToolStripSeparator());
}
//遍历书签菜单，添加菜单
ToolStripMenuItem tempMenu = null;
while (currentBookmark != null)
{
tempMenu = new ToolStripMenuItem(currentBookmark.Name);
tempMenu.Click += new EventHandler(tempMenu_Click);
//存储书签
tempMenu.Tag = currentBookmark;
menuBookmarks.DropDownItems.Add(tempMenu);
currentBookmark = bookmarks.Next();
}
//释放总览窗体并关闭
CloseOverviewForm();
}
/// <summary>
/// 添加书签
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnAddBookMark_Click(object sender, EventArgs e)
{
FormBookmark formBookmark = new FormBookmark();
formBookmark.ShowDialog();
string pName = string.Empty;
pName = formBookmark.BookMark;
if (!formBookmark.Check || string.IsNullOrEmpty(pName))
{
return;
}
// 书签进行重命名判断
IMapBookmarks mapBookmarks = MainMapControl.Map as IMapBookmarks;
IEnumSpatialBookmark enumSpatialBookmark = mapBookmarks.Bookmarks;
enumSpatialBookmark.Reset();
ISpatialBookmark spatialBookmark;
while ((spatialBookmark = enumSpatialBookmark.Next()) != null)
{
if (pName == spatialBookmark.Name)
{
DialogResult dr = MessageBox.Show("书签重命名，时候替换？", "提示", MessageBoxButtons.YesNoCancel);
switch (dr)
{
case DialogResult.Yes:
mapBookmarks.RemoveBookmark(spatialBookmark);
break;
case DialogResult.No:
formBookmark.ShowDialog();
break;
default:
return;
}
}
}
// 获取当前地图的对象
IActiveView activeView = MainMapControl.Map as IActiveView;
// 创建一个新的书签并设置其位置为当前视图范围
IAOIBookmark pBookmark = new AOIBookmark();
pBookmark.Location = activeView.Extent;
// 获得书签名称
pBookmark.Name = pName;
// 通过IMapBookmarks访问当前地图书签集，添加书签到地图的书签集中
IMapBookmarks pMapBookmarks = MainMapControl.Map as IMapBookmarks;
pMapBookmarks.AddBookmark(pBookmark);
}
/* Function: Load_Bookmark
* Usage: load the opening map's bookmark into select-bookmark combobox
* Input: sBookmarkName = the name of bookmark introducted
* Output: a spatial reference
* Author: JL Ding
* Time: 2019/03/08
*/
private void Load_Bookmark()
{
IMapBookmarks bookmarks = axMapControl1.Map as IMapBookmarks; //get the map's bookmark through axMapControl1.Map
IEnumSpatialBookmark enumSpatialBookmark = bookmarks.Bookmarks;
enumSpatialBookmark.Reset();
ISpatialBookmark spatialBookmark = enumSpatialBookmark.Next();
while (spatialBookmark != null)
{
cbBookmarkList.Items.Add(spatialBookmark.Name);
spatialBookmark = enumSpatialBookmark.Next();
}
}
//添加书签
private void Button1_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(this.textBox1.Text))
{
return;
}
//书签进行重名判断
IMapBookmarks mapBookmarks = mainForm.mainform.mainMapControl.Map as IMapBookmarks;
IEnumSpatialBookmark enumSpatialBookmarks = mapBookmarks.Bookmarks;
enumSpatialBookmarks.Reset();
ISpatialBookmark pSpatialBookmark;
while ((pSpatialBookmark = enumSpatialBookmarks.Next()) != null)
{
if (this.textBox1.Text == pSpatialBookmark.Name)
{
DialogResult dr = MessageBox.Show("此书签名已存在！是否替换？", "提示", MessageBoxButtons.YesNo);
if (dr == DialogResult.Yes)
{
mapBookmarks.RemoveBookmark(pSpatialBookmark);
}
else if (dr == DialogResult.No)
{
return;
}
}
}
//获取当前地图的对象
IActiveView pActiveView = mainForm.mainform.mainMapControl.Map as IActiveView;
//创建一个新的书签并设置其位置范围为当前视图的范围
IAOIBookmark pBookmark = new AOIBookmarkClass();
pBookmark.Location = pActiveView.Extent;
//获得书签名
pBookmark.Name = this.textBox1.Text;
//通过IMapBookmarks接口访问当前地图书签集，添加书签到地图的书签集中
IMapBookmarks pMapBookmarks = mainForm.mainform.mainMapControl.Map as IMapBookmarks;
pMapBookmarks.AddBookmark(pBookmark);
this.Close();
}
public bool BookmarkExistsOrNot(string sBookmarkName)
{
IMapBookmarks bookmarks = axMapControl1.Map as IMapBookmarks;
if (bookmarks != null)
{
IEnumSpatialBookmark enumSpatialBookmark = bookmarks.Bookmarks;
ISpatialBookmark spatialBookmark = enumSpatialBookmark.Next();
while (spatialBookmark != null)
{
if (spatialBookmark.Name == sBookmarkName)
{
return(true);
}
spatialBookmark = enumSpatialBookmark.Next();
}
}
return(false);
}
