The following tables list the members exposed by BrowseTree.
Public Constructors
| Name | Description | |
|---|---|---|
 | BrowseTree Constructor | Overloaded. |
Public Fields
| Name | Description | |
|---|---|---|
 | AccessRightsFilter | Filter for read/write access rights. The value 0 returns all items. |
| DoNotSort | Branches and items are alphabetically sorted. If TRUE the sorting is diabled and the branches/items are in the order as returned by the server. |
| ImageIndexBranch | Index of the image displayed for branches |
| ImageIndexBranchSelected | Index of the image displayed for the selected branch |
| ImageIndexItem | Base Index of the image group the item identification. The item accessRight code is added and the image with this index is displayed. |
| ItemCodeIndex | Code used to identify items and branches in TreeNode.ImageIndex The isBranchand isItem methods use thye definition to find the type of the node. Default: Item: >= 2 |
| NameFilter | Name filter used in the the OPC server browse calls. The default is "" (no filtering). A different filter string needs to be set before the Browse method is called. |
Public Properties
| Name | Description | |
|---|---|---|
 | BrowseModeOneLevel | If true the the server browsing is done on demand. Initially only one level is browsed. Sub-branches are browsed from the TreeView event handler when a yet unbrowsed branch is selected. If false then the whole server tree structure is browsed and a corresponding TreeNode structure is built. NOTE: With complex servers this may take a long time. |
| DataTypeFilter | Data type used in the the OPC server browse calls. The default is void (VT_EMPTY). A different type needs to be set before the Browse method is called. |
| ImageList | Image list used in the BrowsTree |
Public Methods
| Name | Description | |
|---|---|---|
 | Browse | Overloaded. Browse all branches/items from the named branch and build a TreeNode structure. |
| ConvertToTreeList | Convert the TreeNode structure into a TreeNode structue with branches only. The items are in a ListView structure that is referenced from the TreeNode Tag. |
| CreateTree | Browse the server from the root and build a TreeNode structure with all branches and items. |
| Dispose | |
| isBranch | Checks if a node is a branch or an item. |
| isItem | Checks if a node is an item or a branch |
| ItemName | Get the full name of the item/branch in the specified branch. This method is typically used to get the name of the node selcted in a treeView. |
| RefreshSelectedBranch | The currently selected branch is refreshed from the server by executing a browse with the current filter. |
 | RevertToSelf | |
| Root | Returns the TreeNode structure created in the previous CreateTree() call. |
| ShowImageList | Show all images defined in the BrowseTree ImageList |
Public Events
| Name | Description | |
|---|---|---|
 | getBrowseFilter | This handler is called everytime the OPC server BrowseItemIDs method is called to get the browse filters to be used. |
| reportBrowseError | This handler is called in the TreeView mouse event handler when an error happens in the server browse access. |