SetVisible - method of the PmfTreeItem object

Description:

Sets the visibility of the tree item.

Syntax:

Empty SetVisible(Long nType)

Parameters:

nType	(Long) Specifies whether the item is visible or hidden. 0 - Hides the item, i.e. collapses the parent item. After the collapsing, the onExpand event is triggered. 1 - Makes the item visible, i.e. expands all necessary parent items, but does not change the position of the scrollbar in the tree, so the item can be located outside the visible section of the tree. After the expansion, the onExpand event is triggered. 2 - Makes the item visible, i.e. expands all necessary parent items, and sets the position of the scrollbar in the tree, so the item is located in the visible section of the tree. After the expansion, the onExpand event is triggered.

nType

(Long) Specifies whether the item is visible or hidden.

0 - Hides the item, i.e. collapses the parent item.
After the collapsing, the onExpand event is triggered.

1 - Makes the item visible,
i.e. expands all necessary parent items, but does not change the position of the scrollbar in the tree, so the item can be located outside the visible section of the tree.
After the expansion, the onExpand event is triggered.

2 - Makes the item visible,
i.e. expands all necessary parent items, and sets the position of the scrollbar in the tree, so the item is located in the visible section of the tree.
After the expansion, the onExpand event is triggered.

Note:

This method is also functional in Web panels.

Example:

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oTreeItem1.SetVisible(0);
  // Hides the item

oTreeItem1.SetVisible(1);
  // Makes the item visible

oTreeItem1.SetVisible(2);
  // Makes the item visible and sets the position of the scrollbar