Expand Action (Specific to PropertyGrid Controls)

Applies to TestComplete 15.64, last modified on May 16, 2024


Depending on the Expand parameter, the Expand action expands or collapses the specified grid item. The effect is the same as when you click the item’s “+” (or “-”) button. You can also expand grid items by double-clicking on them (see DblClickLabel). Unlike DblClickLabel, the Expand action does not move the mouse cursor.


TestObj.Expand(Item, Expand)

TestObj A variable, parameter or expression that specifies a reference to one of the objects listed in the Applies To section
Item [in]    Required    Variant    
Expand [in]    Optional    Boolean Default value: True   
Result None

Applies To

The method is applied to the following objects:

View Mode

This method is available in the Object Browser panel and in other panels and dialogs in both Basic and Advanced view modes.


The method has the following parameters:


Specifies the index or caption of the desired item whose label needs to be clicked.

The index is zero-based, that is, the index of the first item is 0. The index of the last item is wItemCount - 1.

The caption can contain asterisk (*) or question mark (?) wildcards or regular expressions. The asterisk corresponds to a string of any length (including an empty string), the question mark corresponds to any single character (including none). To specify more complicated parts of a caption, use regular expressions.

The caption can be case-sensitive or case-insensitive depending on the value of the Use case-sensitive parameters project setting.


Specifies whether to expand or collapse the specified grid item.

Result Value



If the specified item is not found, Expand fails and posts an error message to the test log.

To expand an item, you can also call the Expand action with the Expand parameter set to False, or use the DblClickLabel action.

The script recorder recognizes mouse clicks on the “+” buttons within the items' labels and records the Expand command.


To view an example that demonstrates how to use the Expand action, see Expanding and Collapsing Items in Microsoft PropertyGrid.

See Also

Collapse Action (Specific to PropertyGrid Controls)
wExpanded Property (Specific to PropertyGrid Controls)

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