Tree_SetExpandedImage Method
Description
This method assigns an image from the image list as the image to be displayed once tree item has been expanded.
Parameters
- MyControlReference
- Reference to the control in the form of MyProject_MyForm_MyControl.
- ProjectFile
- String identifying the project as it was passed in LoadProject.
- DialogName
- String identifying the dialog by name.
- ControlName
- String identifying the control by name.
- Key
- String specifying the a unique key in the tree structure identifying the tree node.
- Tree Node Handle specifying the tree node uniquely.
- ExpandedImageIndex
- Integer specifying the index of an assigned image in the TreeControl's image list
Return Values
Returns the index of an assigned image in the TreeControl's image list.
AutoLISP Syntax
The recommended convention is passing the control identifier directly:
 Copy Code |
|---|
(Odcl_Tree_SetExpandedImage MyControlReference [as Reference] Key [as String or Tree Node Handle] ExpandedImageIndex [as Integer]) |
An alternative convention is to identify the control by providing the project file, the dialog name and the control name:
| Copy Code |
|---|
(Odcl_Tree_SetExpandedImage ProjectFile [as String] DialogName [as String] ControlName [as String] Key [as String or Tree Node Handle] ExpandedImageIndex [as Integer]) |
Remarks
If a node item does not have a String key assigned to it, it will not have an expanded image.
Applies For
Example
| Copy Code |
|---|
; Set the index of the new expanded image (Odcl_Tree_SetExpandedImage MyProject_MyForm_MyControl 10) |