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  • Format of collapsed/expanded images
  • Type of collapsed/expanded images
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Stored procedures
Modifies an element (node or leaf) in a TreeView control.
Example of TreeView control:
Vocabulary linked to a TreeView control
Example
// Modify the caption of "Desserts" node in the "TREE_RecipeTV" TreeView control
Res = TreeModify(TREE_RecipeTV, "Recipes" + TAB + "Desserts", "Ice creams")
// Modify the root image in the "TREE_RecipeTV" TreeView control
Res = TreeModify(TREE_RecipeTV, "Recipes", Null, ...
"C:\MyImages\Img1.GIF", "C:\MyImages\Img2.GIF")
Syntax
<Result> = TreeModify(<TreeView control> , <Path of element to modify> , <New caption> [, <New collapsed image> [, <New expanded image> [, <New element identifier> [, <Tooltip text>]]]])
<Result>: Boolean
  • True if the element was modified in the TreeView control,
  • False otherwise.
<TreeView control>: Control name
Name of TreeView control to use.
<Path of element to modify>: Character string
Full path of element to modify. This parameter has the following format:
"<Name of root>" + TAB + ["<Name of 1st node>" + TAB + ...
["<Name of 2nd node>" + TAB + [...]]]"<Leaf name>"
<New caption>: Character string (with quotes)
  • New caption for the specified element,
  • NULL constant to keep the existing caption.
<New collapsed image>: Optional character string or constant
New image associated with the specified element. This image is displayed when this element is collapsed (see the Remarks). This parameter corresponds to:
  • the name and full (or relative) path of image. A UNC path can be used.
  • the constant:
    tvDefault
    (Default value)
    Default image (closed folder): Closed folder
    NullStores the image of specified element
<New expanded image>: Optional character string or constant
New image associated with the specified element. This image is displayed when this element is expanded (see the Remarks). This parameter corresponds to:
  • the name and full (or relative) path of image. A UNC path can be used.
  • the constant:
    tvDefault
    (Default value)
    Default image (opened folder): Opened folder
    NullStores the image of specified element
<New element identifier>: Character string or integer (optional)
New identifier of element or the NULL constant to keep the identifier of specified element.
Caution: The TAB character cannot be used in the identifiers of elements.
<Tooltip text>: Optional character string (with quotes)
If this parameter is specified, its content will be displayed in a tooltip when the element is hovered by the mouse cursor. This parameter corresponds to an empty string by default. If no tooltip is associated with the element, the tooltip associated with the TreeView control will be automatically displayed.
Remarks

Format of collapsed/expanded images

Type of collapsed/expanded images

The images used can be:
The specified image is proportionally resized to 16 x 16 pixels: in most cases, the height of the image corresponds to the height of TreeView row.
Remark: The size of images should be set to 16 x 16 pixels (size of small icons).
Component : wd250obj.dll
Minimum version required
  • Version 9
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