The following extended window styles are honored by SftTree/DLL, in addition to the standard extended window styles (such as  WS_EX_TOOLWINDOW, etc.):

WS_EX_LEFTSCROLLBAR

When this extended style is given, the vertical scroll bar will be displayed on the left side of the tree control client area, instead of the right.  This style is only supported on certain international Windows versions, such as Hebrew and Arabic Windows.

WS_EX_RIGHT

When this extended style is given, the tree control will support right-to-left reading with the tree hierarchy displayed on the right hand side of the control as typically found in Hebrew and Arabic Windows versions.

Windows Mobile Edition:  The WS_EX_RIGHT style and Right-To-Left Reading are not supported.  

WS_EX_CLIENTEDGE

With this extended style, the tree control will be drawn using a 3D border.

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