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Causes the control to be redrawn when a redraw is not already in progress.
Source position: comctrls.pp line 3701
public procedure TCustomTreeView.Invalidate; override; |
Invalidate is an overridden method in TCustomTreeView, and causes the control to be redrawn if it is not already re-painting. Invalidate checks the States property for the tvsPainting flag. When present, the Paint method has already been called but not yet completed.
No actions are performed in the method when a paint operation is in progress.
Invalidate calls the inherited method prior to exit.
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Contains the state values in effect for the control. |
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Renders the tree view control. |
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Set type used to store values from the TTreeViewState enumeration. |
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TTreeViewState - enumerated type containing the permissible values for state of a TTreeView. |
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Causes a delayed Repaint of the control by marking its visible area of the control as invalid. |
| Version 3.2 | Generated 2024-02-25 | Home |