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Treeview in vb net code#
The following code snippet shows the implementation. NET 6 days left VERIFIED I have a table containing more than 30,000 records. Using various properties provided by these classes, such as BackColor, ForeColor, Default, and others, you can customize a specific node or node cell. All of the code was written by me but some of the concepts are from other references and books. Parts of the code are based on other CodeProject tutorials and code samples found elsewhere on the Internet. And then you can use the NodeStyles or the NodeCellStyles property provided by the C1TreeViewNodeStylesEventArgs and the C1TreeViewNodeCellStylesEventArgs class respectively, to access properties of NodeCellStyle and TreeNodeCellStyles classes. MBTreeViewExplorer is an explorer which inherits all the properties of simple TreeView control. To customize a node or a node cell, you first need to specify the node level by using the Level property of the C1TreeNode class. The ApplyNodeStyles event occurs when you apply styles to a node, while the ApplyNodeCellStyles event occurs when you apply styles to a cell of a node. TreeView allows you to change the style of a single node or node cell by using the ApplyNodeStyles and the ApplyNodeCellStyles event of C1TreeView. The following code snippet enables the visibility of the tree lines and customizes them in terms of their width, color, and style.Ĭ = Ĭ = .Solid The following image shows TreeView with the tree lines customized with respect to their color, width, and style. Next to a Drive or a folder there might be a + sign. On the left side you will see all the drives and folders.
Treeview in vb net windows#
You must have seen a treeview before Look at your Windows Explorer. Instead of being called branches, they are called Nodes. Style: Specify the style of the tree lines by setting the LinesStyle property of TreeViewStylesfrom the DashStyle enumeration. It has branches that have branches, that have branches.Width: Set the width of the tree lines by setting the LinesWidth property of TreeViewStylesto integer values.Color: Change the color of the connected lines between the nodes by setting the LinesColor property of theTreeViewStyles class.In addition, the control enables you to perform customizations, as follows:
TreeView allows you to display or hide the tree lines by setting the ShowLines property provided by the TreeViewStyles class to true or false. Tree lines, as the name suggests, are the lines connecting the nodes of a TreeView displaying the relationship between parent and child nodes clearly. For more information, refer to the Themes for WinForms documentation.
You can apply a number of built-in or custom themes to present TreeView with a consistent and customized look by using Themes for WinForms. You can customize the control in a number of ways, as explained in the following sections: Themes This section provides you with information about customizing the appearance of the TreeView control and its elements.
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