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Tree_GetVisibleCount Method

Description

This method counts the number of tree items in the TreeControl.

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.

Return Values

Returns the number of visible tree items as an integer.

AutoLISP Syntax

The recommended convention is passing the control identifier directly:

CopyCode imageCopy Code
(Odcl_Tree_GetVisibleCount 
		MyControlReference [as Reference])

An alternative convention is to identify the control by providing the project file, the dialog name and the control name:

CopyCode imageCopy Code
(Odcl_Tree_GetVisibleCount
		ProjectFile [as String]
		DialogName [as String]
		ControlName [as String])

Applies For

TreeControl.

Example

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; Get the number of visible nodes
(Setq rValue (Odcl_Tree_GetVisibleCount MyProject_MyForm_MyControl))

See Also

Tree_EnsureVisible, Tree_GetFirstVisibleItem, Tree_GetNextVisibleItem, Tree_GetPrevVisibleItem