Item Information
Tree-view controls support a number of messages that retrieve information
about items in the control.
The
TVM_GETITEM message can retrieve an item's handle and attributes. An item's attributes
include its current state, the indexes in the control's image list of the item's
selected and non-selected bitmapped images, a flag that indicates whether the
item has child items, a pointer to the item's label string, and the item's
application-defined 32-bit value.
The
TVM_GETNEXTITEM message retrieves the tree-view item that bears the specified relationship to
the current item. The message can retrieve an item's parent, the next or
previous visible item, the first child item, and so on.
The
TVM_GETITEMRECT message retrieves the bounding rectangle for a tree-view item. The
TVM_GETCOUNT and
TVM_GETVISIBLECOUNT messages retrieve a count of the items in a tree-view control and a count of
the items that are currently visible in the tree-view control's window,
respectively. You can ensure that a particular item is visible by using the
TVM_ENSUREVISIBLE message.
- Software for developers
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Delphi Components
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- More information resources
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MegaDetailed.Net
Unix Manual Pages
Delphi Examples
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Amazon Categories Database
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