where is the add pattern button in treesize free

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See also: TBaseVirtualTree.ProcessOLEData and TBaseVirtualTree.ProcessDrop. Specialized methods are implemented to aid processing of the native tree data. Via a drop handler the application can accept any OLE format without deriving an own tree class.

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A registration scheme (RegisterVTClipboardFormat) allows descendants to specify and implement their own clipboard formats.

Two storage formats are available: HGlobal and IStream.

Native serialized format (CF_VIRTUALTREE and CF_VTREFERENCE), which is a compact form to exchange data between Virtual Treeviews (also between applications).

Rich Text (RTF) string format (with Unicode text).

and facilitates copy and paste operations of tree content to a word document with nearly no application code. This is the preferred clipboard format for MS Word etc.

The following formats are supported by the standard implementation:.

Alternatively, VCL drag and drop can still be used for compatibility.

OLE drag and drop and OLE clipboard transfers are supported with the tree as source and target.

Auto-scrolling of the client area happens when the mouse is near the borders while dragging and draw-selecting (multi selection).

Incremental search with various options and directions is available.

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for layered windows or to implement animated drop-down of controls which use VT as drop-down control). This allows, for example, drawing a tree into a bitmap (e.g. The messages WM_PRINT and WM_PRINTCLIENT are handled correctly.

Drawing the entire tree to a bitmap or the printer is supported by the central TBaseVirtualTree.PaintTree method.

to allow for modifying an already large selection set while retaining interactivity. A lot of effort has been put into the development of effective algorithms, e.g.

Multiselection is supported, including constrained selection so that only nodes of a certain initial level can be selected.

It takes as few as 0.5 seconds to traverse one million nodes depending on needed validation and node validation states.

Virtual Treeview is optimized for high-speed access.

By only allocating about 60 bytes per node (in the string tree, the base tree uses only 56 bytes) it is well prepared to hold a million of them.

Virtual Treeview has a very small memory footprint.

Adding one million nodes takes only 700 milliseconds!

Virtual Treeview's column implementation also allows fixed columns, making it a good grid replacement.

TBaseVirtualTree.DefaultNodeHeight and TVirtualStringTree.DefaultText can be used to avoid setting many nodes explicitly to the same start value.

For their animation sliding and alpha blending is available.

Hints can contain multiple lines of text and mirror the alignment and directionality of the node or column they are displayed for.

Additionally, a tree can be set to 'auto sort'.

Sorting a node is supported via an application-defined compare callback.

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Using this information an application can optimize its code execution (state updates etc.). Virtual Treeview exposes its internal states like pending drag or edit events, multi selection or expanding in progress.Nodes can have individual heights and the vertical alignment of a node's images and lines can be adjusted individually.A special option (toGridExtensions) exist to support grid -specific tasks. The tabulator key can be used to switch the focus between cells. A node can be selected as well as edited in every column (this is switchable), making Virtual Treeview some kind of a grid too.This avoids clipping of long captions while still allowing the use of multiple columns. It allows a column to take up more space for its caption if there are empty columns to its right. An auto span column mode is supported.String trees support so-called static text which appears after a node's caption (in every column) and which can be formatted differently than the caption but cannot be edited, selected etc.A special cursor can be assigned for this task. Hot style for nodes is supported (just like links in a browser window).A fixed background image can be used in the tree and can be given a certain offset, e.g.These alternative buttons can be switched, of course. Middle and right mouse buttons can be used in addition to the left button and support all functions mappable to the left button (dragging, selection etc.).There is a TBaseVirtualTree.OnGetPopupMenu event to retrieve node specific popup menus, it includes automatic tree traversal.This includes automatic tree and window parent control traversal as it is invoked when the user presses F1.

There is a TBaseVirtualTree.OnGetHelpContext event to retrieve node-specific help context IDs.There is a TBaseVirtualTree.OnHint event to display node-specific hints.SmartPOP2Exchange versus Exchange Server Toolbox.