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Multi-select Treeview control v2.0

, 15 Aug 2004
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Multi-select Treeview control v2.0

Screenshots

Introduction

This is a multi select TreeView Control for the .NET framework. It is possible to select TreeNodes in multiple ways with or without constraints.

Details

The MWTreeView has a few ways of mouse-selecting the TreeNodes by painting anything from a rubberband to very graphical representations. There is even the possibility, using GDI+, to customize the mouse-selection. It is also possible to have TreeNodes of various colors within the same MWTreeView with multi-selection still working. The MWTreeView has a massive amount of configurable settings so that anyone should be able to tailor it to their needs.

Note that when selecting TreeNodes in code the SelectNode (DeselectNode also exists) method should be used. Note that when changing the colors of a TreeNode the ChangeColors method should be used. Do not just change the colors of a TreeNode.

Note that in order to iterate through the selected TreeNodes the following method has to be used (selected TreeNodes are stored in a Hashtable):

foreach(MWTreeNodeWrapper mwtnw in mwtvMWTreeView.SelNodes.Values)
{
   MessageBox.Show("The " + mwtnw.Node.Text + 
    " TreeNode is selected.");
}

Contacting me

I can be reached through the forum here at CodeProject or through one of my addresses:

  • My mik address can be found on netatonce.net.
  • My mick address can be found on ar.com.au.
  • My mikwib address can be found on hotmail.com.

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here

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About the Author

Mikael Wiberg
Web Developer
Sweden Sweden
No Biography provided

Comments and Discussions

 
QuestionHow to access checked items? PinmemberAlexander Pikus3-Nov-08 19:09 
GeneralDraga and Drop Behavior PinmemberLarry Dodd5-Mar-08 10:45 
GeneralRe: Draga and Drop Behavior Pinmembervinutha kempanna5-Mar-08 10:57 
GeneralRe: Draga and Drop Behavior PinmemberMikael Wiberg5-Mar-08 19:03 
QuestionGreat code, license question? Pinmemberthatrickguy29-Nov-07 5:53 
AnswerRe: Great code, license question? PinmemberMikael Wiberg29-Nov-07 6:42 
GeneralOdd behaviour on deselect [modified] Pinmemberbenjymous19-Sep-07 22:09 
GeneralNodes.Clear Doesn't Clear SelNodes PinmemberChristopher Theunissen20-Apr-07 1:16 
When you call Nodes.Clear, all nodes are correctly removed from the tree, but the selection (SelNodes) remains, which means you get an InvalidOperationException if you call FullPath on one of the Nodes in SelNodes, as it no longer has a parent.
 
Is this correct behaviour that SelNodes should not be affected by removal of nodes even when removing all nodes?
GeneralRe: Nodes.Clear Doesn't Clear SelNodes PinmemberMikael Wiberg20-Apr-07 6:07 
QuestionSearch as you type doesn't work on the SameLevelMultiBranch Pinmembersofter2-Apr-07 0:58 
AnswerRe: Search as you type doesn't work on the SameLevelMultiBranch [modified] PinmemberMikael Wiberg9-Apr-07 0:27 
QuestionCheckboxes Pinmembersofter22-Dec-06 12:59 
AnswerRe: Checkboxes Pinmembersofter22-Dec-06 14:17 
GeneralRe: Checkboxes Pinmembersofter22-Dec-06 14:53 
GeneralRe: Checkboxes PinmemberMikael Wiberg22-Dec-06 17:46 
GeneralComercial Version PinmemberFooDogCom16-Dec-06 13:44 
GeneralRe: Comercial Version PinmemberMikael Wiberg16-Dec-06 20:06 
GeneralProblem with the highlighting/unhighlighting Pinmemberjebrew20-Sep-06 6:08 
GeneralLatest Version with DataBinding PinmemberJacob Shepherd29-Nov-05 12:46 
GeneralDeep Logic bug about selecting node(s) PinmemberLe_MuLoT13-Sep-05 4:17 
AnswerRe: Deep Logic bug about selecting node(s) PinmemberMikael Wiberg14-Sep-05 2:04 
GeneralRe: Deep Logic bug about selecting node(s) PinmemberLe_MuLoT14-Sep-05 3:13 
GeneralRe: Deep Logic bug about selecting node(s) PinmemberMikael Wiberg14-Sep-05 3:51 
GeneralRe: Deep Logic bug about selecting node(s) PinmemberLe_MuLoT14-Sep-05 7:12 
GeneralRe: Deep Logic bug about selecting node(s) PinmemberMikael Wiberg14-Sep-05 10:13 

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