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The TreeView_Expand macro expands or collapses the list of child items,
if any, associated with the specified parent item. You can use this macro or
explicitly send the TVM_EXPAND message.
BOOL TreeView_Expand(
Parameters
-
hwnd
-
Handle to the tree-view control.
-
hitem
-
Handle to the parent item to expand or collapse.
-
flag
-
Action flag. This parameter can be one of the following values:
|
Value
|
Meaning
|
|
TVE_COLLAPSE
|
Collapses the list.
|
|
TVE_COLLAPSERESET
|
Collapses the list and removes the child items. Note that TVE_COLLAPSE must
also be specified.
|
|
TVE_EXPAND
|
Expands the list.
|
|
TVE_TOGGLE
|
Collapses the list if it is currently expanded or expands it if it is
currently collapsed.
|
Return Values
Returns TRUE if any change took place or FALSE otherwise.
Remarks
This macro does not send the TVN_ITEMEXPANDING and TVN_ITEMEXPANDED
notification messages to the parent window.
See Also
TVM_EXPAND, TVN_ITEMEXPANDED,
TVN_ITEMEXPANDING
| file: /Techref/os/win/api/win32/mac/src/mac04_29.htm, 3KB, , updated: 2000/4/7 11:19, local time: 2024/11/25 17:51,
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