ShowExpandCollapseButtons Property, SftTree Class

Defines whether expand/collapse buttons are shown.

Class: SftTree
Namespace: Softelvdm.SftTreeNET
Assembly: Softelvdm.SftTreeNET

Syntax

public ShowExpandCollapseButtonsEnum ShowExpandCollapseButtons { get; set; }

Public Property ShowExpandCollapseButtons As ShowExpandCollapseButtonsEnum

Value

The expand/collapse buttons display style.

The default value is ShowExpandCollapseButtonsEnum.AllLevels.

Comments

Defines whether expand/collapse buttons are shown.

The SftTree.ButtonLook property is used to define the appearance of expand/collapse buttons.

Expand/collapse buttons are optional and are displayed in the hierarchy area of the hierarchy column. They are only shown if a hierarchy column has been defined (ColumnClass.ShowHierarchy).

Examples

C#

            Image img = Bitmap.FromFile("..\\..\\test.gif"); // a small sample bitmap

            // Most of this initialization code could be eliminated by designing the control.
            sftTree1.Initializing = true;
            sftTree1.Headers.Rows = 0;
            sftTree1.Footers.Rows = 0;
            sftTree1.Dimensions.LevelIndent = 5; // indent just a few pixels for level 1 items
            sftTree1.TreeLineStyle = TreeLineStyleEnum.None;
            sftTree1.ShowExpandCollapseButtons = ShowExpandCollapseButtonsEnum.None;
            sftTree1.RowHeaders.Width = 0;
            sftTree1.ShowFocusRectangle = false;
            sftTree1.ItemClick += sftTree1_ItemClick;
            sftTree1.ItemDoubleClick += sftTree1_ItemDoubleClick;
            sftTree1.ShowToolTip += new SftTree.ShowToolTipEventHandler(sftTree1_ShowToolTip);
            sftTree1.ToolTip.ShowAlways = true;
            sftTree1.ToolTip.Style = ToolTipAppearanceEnum.Balloon;

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VB.NET

    Dim img As Image = Bitmap.FromFile("..\\..\\test.gif") ' a small sample bitmap

    ' Most of this initialization code could be eliminated by designing the control.
    sftTree1.Initializing = True
    sftTree1.Headers.Rows = 0
    sftTree1.Footers.Rows = 0
    sftTree1.Dimensions.LevelIndent = 5 ' indent just a few pixels for level 1 items
    sftTree1.TreeLineStyle = TreeLineStyleEnum.None
    sftTree1.ShowExpandCollapseButtons = ShowExpandCollapseButtonsEnum.None
    sftTree1.RowHeaders.Width = 0
    sftTree1.ShowFocusRectangle = False
    sftTree1.ToolTip.ShowAlways = True
    sftTree1.ToolTip.Style = ToolTipAppearanceEnum.Balloon

    Dim cat As ItemClass
    cat = AddCategory("Category 1")

View Entire Sample Code

See Also SftTree Class | Classes | SftTree/NET 2.0