本文整理汇总了C#中System.Windows.Forms.TreeView.BeginUpdate方法的典型用法代码示例。如果您正苦于以下问题：C# TreeView.BeginUpdate方法的具体用法？C# TreeView.BeginUpdate怎么用？C# TreeView.BeginUpdate使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Windows.Forms.TreeView的用法示例。
在下文中一共展示了TreeView.BeginUpdate方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: LoadCategoriesView
public static void LoadCategoriesView(TreeView target, PosData.CategoriesDataTable source)
{
var roots = from p in source
select p;
target.BeginUpdate();
TreeNode currentNode = null;
foreach (PosData.CategoriesRow row in roots)
{
if (row.ParentId == 0)//root nodes only
{
currentNode = new TreeNode(row.CategoryName, 0, 0);
currentNode.Tag = row.CategoryId;
target.Nodes.Add(currentNode);
}
var current = from c in source
where c.ParentId == row.CategoryId && c.ParentId != 0L
select c;
if (current != null && current.Count<PosData.CategoriesRow>() > 0)
{
_LoadCategoriesView(currentNode, current, source);
}
}
target.EndUpdate();
}示例2: RefreshTreeView
public static void RefreshTreeView(TreeView treeView)
{
treeView.BeginUpdate();
foreach (NodeBase node in treeView.Nodes)
node.Refresh();
treeView.EndUpdate();
}示例3: DrawTree
public void DrawTree(TreeView treeView)
{
treeView.BeginUpdate();
treeView.Nodes["All"].Nodes.Clear();
foreach (Site site in SiteCollection)
{
TreeNode siteNode = new TreeNode(site.Dto.DescriptionName);
siteNode.Tag = site;
treeView.Nodes["All"].Nodes.Add(siteNode);
foreach (Team team in site.TeamColl)
{
TreeNode teamNode = new TreeNode(team.Dto.Description);
teamNode.Tag = team;
siteNode.Nodes.Add(teamNode);
foreach (Agent agent in team.AgentColl)
{
TreeNode agentNode = new TreeNode(agent.Dto.Name);
agentNode.Tag = agent;
teamNode.Nodes.Add(agentNode);
}
}
}
treeView.EndUpdate();
}示例4: DeserializeTreeView
////System.IO.StringWriter s;
//public void SerializeTreeView(TreeView treeView, string fileName)
//{
// XmlTextWriter textWriter = new XmlTextWriter(fileName, System.Text.Encoding.ASCII);
// // writing the xml declaration tag
// textWriter.WriteStartDocument();
// //textWriter.WriteRaw("\r\n");
// // writing the main tag that encloses all node tags
// textWriter.WriteStartElement("TreeView");
// // save the nodes, recursive method
// SaveNodes(treeView.Nodes, textWriter);
// textWriter.WriteEndElement();
// textWriter.Close();
//}
public void DeserializeTreeView(TreeView treeView, string fileName,XmlNode parentXMLNode)
{
XmlTextReader reader = null;
try
{
// disabling re-drawing of treeview till all nodes are added
treeView.BeginUpdate();
XmlDocument doc = new XmlDocument();
XmlNode currentXmlNode = null;
if (parentXMLNode == null)
{
doc.Load(fileName);
currentXmlNode = doc.FirstChild;
}
else
{
currentXmlNode = parentXMLNode;
}
foreach (XmlNode xmlNode in currentXmlNode.ChildNodes)
{
if (xmlNode.NodeType == XmlNodeType.Element)
{
if (xmlNode.Name == FormDesignerConstants.FormPattern)
{
TreeNode newNode = new TreeNode();
newNode.Text = xmlNode.Name;
treeView.Nodes.Add(newNode);
HandleChildNodes(newNode, xmlNode);
}
if (xmlNode.Name == FormDesignerConstants.DataPattern)
{
TreeNode newNode = new TreeNode();
newNode.Text = xmlNode.Name;
treeView.Nodes.Add(newNode);
HandleChildNodes(newNode, xmlNode);
}
if (xmlNode.Name == FormDesignerConstants.WorkflowPattern)
{
TreeNode newNode = new TreeNode();
newNode.Text = xmlNode.Name;
treeView.Nodes.Add(newNode);
HandleChildNodes(newNode, xmlNode);
}
}
}
}
catch (FileNotFoundException )
{
MessageBox.Show("Project Manifest.xml File not Found");
}
finally
{
// enabling redrawing of treeview after all nodes are added
treeView.EndUpdate();
}
}示例5: TemporaryRedrawPauser
/// <summary>
/// Initializes a new instance of the <see cref="TemporaryRedrawPauser"/> class.
/// </summary>
/// <param name="o">The o.</param>
/// <param name="useWaitCursor">if set to <c>true</c> [use wait cursor].</param>
public TemporaryRedrawPauser(
TreeView o,
bool useWaitCursor )
{
_o1 = o;
o.BeginUpdate();
enableWaitCursor( useWaitCursor, o );
}示例6: DisplayTo
public static void DisplayTo( TreeView tree )
{
tree.BeginUpdate();
tree.Nodes.Clear();
Recurse( tree.Nodes, Config.GetUserDirectory( "Macros" ) );
tree.EndUpdate();
tree.Refresh();
tree.Update();
}示例7: RecordStep
public static void RecordStep(TreeView tree, string step)
{
if (tree.Nodes[0] != null)
{
tree.BeginUpdate();
tree.Nodes[0].Nodes.Insert(tree.Nodes[0].Nodes.Count, step);
tree.EndUpdate();
tree.ExpandAll();
}
}示例8: AddPageTree
public static void AddPageTree(TreeView tvPages)
{
var dal = DALFacade.GetPageSchemeDAL();
var schemes = dal.SelectAll();
tvPages.BeginUpdate();
tvPages.Nodes.Clear();
foreach (var scheme in schemes)
{
var node = new TreeNode(scheme.Name);
node.Tag = node;
tvPages.Nodes.Add(node);
}
Cursor.Current = Cursors.Default;
tvPages.EndUpdate();
}示例9: Print
//-----------------------------------------------------------------------------
// Print the value to the treeview
// This will clear out the TreeView and repopulate it with the Value.
//-----------------------------------------------------------------------------
void Print(MDbgValue val, TreeView t)
{
t.BeginUpdate();
t.Nodes.Clear();
if (val == null)
{
t.Nodes.Add("(Error:Expression not valid in this scope)");
}
else
{
PrintInternal(val, t.Nodes, 0);
}
t.EndUpdate();
}示例10: AddComputerToView
/// <summary>
/// Adds a Computer object to the specified TreeView.
/// </summary>
/// <param name="treeView">TreeView to add Computer to</param>
/// <param name="computer">Computer added as a node to the TreeView</param>
public static void AddComputerToView(TreeView treeView, Computer computer)
{
TreeNode computerNode = new TreeNode(computer.Name);
AddOperatingSystemNode(computerNode, computer.OperatingSystem);
AddPrintersNode(computerNode, computer.Printers);
AddProcessesNode(computerNode, computer.Processes);
AddSharesNode(computerNode, computer.Shares);
AddLogicalDisksNode(computerNode, computer.LogicalDisks);
AddComputerSystemNode(computerNode, computer.System);
AddProcessorsNode(computerNode, computer.Processors);
AddNetworkAdaptersNode(computerNode, computer.NetworkAdapters);
// Add computer node and its related nodes to this tree view control
treeView.BeginUpdate();
treeView.Nodes.Add(computerNode);
treeView.EndUpdate();
}示例11: Build
public void Build(TreeView tree)
{
tree.BeginUpdate();
tree.Nodes.Clear();
tree.Nodes.Add(ReadHeader(objectFile.Header));
tree.Nodes.Add(ReadReferences(objectFile.References));
tree.Nodes.Add(ReadGlobals(objectFile.Globals));
tree.Nodes.Add(ReadLateBounds(objectFile.LateBounds));
tree.Nodes.Add(ReadLayouts(objectFile.Layouts));
tree.Nodes.Add(ReadStrings(objectFile.Strings));
tree.Nodes.Add(ReadTypes(objectFile.Types));
tree.Nodes.Add(ReadClasses(objectFile.Classes));
tree.Nodes.Add(ReadInstances(objectFile.Instances));
tree.Nodes.Add(ReadConstructors(objectFile.Constructors));
if (config.DisplayFlatOpCodes)
tree.Nodes.Add(ReadCode(objectFile.OpCodes));
tree.EndUpdate();
}示例12: PopulateTreeView
public static void PopulateTreeView(DatabaseSchema schema, TreeView treeView1)
{
// Suppress repainting the TreeView until all the objects have been created.
treeView1.BeginUpdate();
treeView1.Nodes.Clear(); //clear out anything that exists
treeView1.ShowNodeToolTips = true;
var treeRoot = new TreeNode("Schema");
treeView1.Nodes.Add(treeRoot);
FillTables(treeRoot, schema);
FillViews(treeRoot, schema);
FillSprocs(treeRoot, schema.StoredProcedures);
FillFunctions(treeRoot, schema);
if (schema.Packages.Count > 0) FillPackages(treeRoot, schema);
FillUsers(treeRoot, schema);
treeView1.EndUpdate();
}示例13: BuildTree
private void BuildTree(String aText, List<String> summary, IFileSystemItem root,
TreeView aView, Boolean insertSubfolders)
{
summary.Add(String.Format("Имя папки: {0}", root.Name));
summary.Add(new String('-', 50));
summary.Add(String.Empty);
aView.BeginUpdate();
try
{
aView.Nodes.Clear();
TreeNode aRoot = InsertFsi(summary, root, insertSubfolders, true);
aRoot.Text = aText;
aView.Nodes.Add(aRoot);
aRoot.Expand();
aView.SelectedNode = aRoot;
}
finally
{
aView.EndUpdate();
}
}示例14: SortBeginUpdate
public void SortBeginUpdate ()
{
TreeView tv = new TreeView ();
tv.Sorted = true;
tv.BeginUpdate ();
tv.Nodes.Add ("x");
tv.Nodes.Add ("f");
tv.Nodes.Add ("a");
// Even if BeginUpdate was called, Sort is called.
Assert.AreEqual ("a", tv.Nodes [0].Text, "#A1");
Assert.AreEqual ("f", tv.Nodes [1].Text, "#A2");
Assert.AreEqual ("x", tv.Nodes [2].Text, "#A3");
}示例15: ExpansionTreeView
public ExpansionTreeView(TreeView treeView, List<StrandNode> strandNodeList,
uint dKrystalLevel, List<int> missingPointValues)
{
_treeView = treeView;
_strandNodeList = strandNodeList;
string missingPointValuesStr = "";
if(missingPointValues.Count > 0)
missingPointValuesStr = K.GetStringOfUnsignedInts(missingPointValues);
#region constant krystal inputs
if(dKrystalLevel == 0) // constant krystal inputs
{
int p = strandNodeList[0].strandPoint;
int d = strandNodeList[0].strandDensity;
strandNodeList[0].Text = "1: m1"
+ ", p" + p.ToString()
+ ", d" + d.ToString();
_treeView.Nodes.Add(strandNodeList[0]);
}
#endregion constant krystal inputs
else
#region line krystal inputs
if(dKrystalLevel == 1) // line krystal
{
_treeView.BeginUpdate();
if(missingPointValues.Count > 0)
_treeView.Nodes.Add("Missing p value(s): " + missingPointValuesStr);
foreach(StrandNode strandNode in strandNodeList)
{
int m = strandNode.strandMoment;
int p = strandNode.strandPoint;
int d = strandNode.strandDensity;
strandNode.Text = m.ToString()
+ ": m" + m.ToString()
+ ", p" + p.ToString()
+ ", d" + d.ToString();
_treeView.Nodes.Add(strandNode);
}
_treeView.EndUpdate();
}
#endregion line krystal inputs
else
#region higher level krystal inputs
{
// Construct the levels of the tree above the strandNodeList, adding the StrandNodes where
// necessary. (The upper levels consist of pure TreeNodes and include the single root node.)
TreeNode[] currentNode = new TreeNode[dKrystalLevel];
int[] localSectionNumber = new int[dKrystalLevel];// does not include the local strand section numbers
int localStrandSectionNumber = 0;
foreach(StrandNode strandNode in strandNodeList)
{
if(strandNode.strandLevel <= dKrystalLevel)
{
localStrandSectionNumber = 0;
int levelIndex = strandNode.strandLevel - 1;
while(levelIndex < dKrystalLevel)
{
TreeNode tn = new TreeNode();
tn.Expand();
currentNode[levelIndex] = tn;
if(levelIndex > 0) // there is only one node at levelIndex == 0, and it has no text
{
currentNode[levelIndex - 1].Nodes.Add(tn);
localSectionNumber[levelIndex - 1]++;
localSectionNumber[levelIndex] = 0;
if(levelIndex == 1)
tn.Text = localSectionNumber[levelIndex - 1].ToString();
else
tn.Text = tn.Parent.Text + "." + localSectionNumber[levelIndex - 1].ToString();
}
levelIndex++;
}
}
localStrandSectionNumber++;
currentNode[dKrystalLevel - 1].Nodes.Add(strandNode);
localSectionNumber[dKrystalLevel - 1]++;
int m = strandNode.strandMoment;
int p = strandNode.strandPoint;
int d = strandNode.strandDensity;
strandNode.Text = strandNode.Parent.Text
+ "." + localStrandSectionNumber.ToString()
+ ": m" + m.ToString()
+ ", p" + p.ToString()
+ ", d" + d.ToString();
}
// Now add the moment numbers to the pure TreeNode.Texts
foreach(StrandNode strandNode in strandNodeList)
{
if(strandNode.strandLevel <= dKrystalLevel)
{
TreeNode tn = strandNode.Parent;
bool continueUp = true;
while(continueUp)
{
if(tn.Text.EndsWith(".1") && tn.Level > 0)
continueUp = true;
else continueUp = false;
int m = strandNode.strandMoment;
tn.Text = tn.Text + ": m" + m.ToString();
if(continueUp)
//.........这里部分代码省略.........