TCustomdxTreeViewReportLink.OnCustomDrawNode Event

Occurs when drawing a specific node within a tree view control.

Declaration

property OnCustomDrawNode: TdxTVCustomDrawNodeEvent read; write;

Remarks

Write an OnCustomDrawNode event handler to draw a specific node when printing a report. Draw a cell using the TCanvas method.

Parameter	Description
ANode	Specifies a specific node of a tree view component.
ACanvas	Determines canvas for drawing.
ABoundsRect	Specifies rectangle including borders for drawing.
AClientRect	Specifies rectangle excluding borders for drawing.
AText	Determines node text. You can change it if necessary.
AFont	Specifies font for drawing node text. You can change it, if necessary.
AColor	Specifies the background color of a node. You can change it, if necessary.
ATextAlignX	Determines horizontal text alignment of a node. You can change it, if necessary.
ATextAlignY	Determines vertical text alignment of a node. You can change it, if necessary.
ADone	Determines whether the OnCustomDrawNode event handler entirely draws a node. If ADone is True, the default drawing procedure is not called.

In order to specify the color, font, text or alignment, used for drawing a specific node, set proper values for the AColor, AFont, AText, ATextAlignX or ATextAlignY parameters and set ADone to False within the OnCustomDrawNode event handler.