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/Main/Listbox CellBackgroundPaint Example


Required plugins for this example: MBS Main Plugin

You find this example project in your Plugins Download as a Xojo project file within the examples folder: /Main/Listbox CellBackgroundPaint Example

This example is the version from Fri, 5th Apr 2012.

Project "Listbox CellBackgroundPaint Example.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Delete"
Const kFileQuit = "&Quit"
Const kFileQuitShortcut = ""
End Class
Class Window1 Inherits Window
Control Listbox1 Inherits Listbox
ControlInstance Listbox1 Inherits Listbox
EventHandler Function CellBackgroundPaint(g As Graphics, row As Integer, column As Integer) As Boolean if me.ListIndex<>row then g.DrawPicture pic, 20, -row*me.RowHeight Return true end if End EventHandler
End Control
Control Listbox2 Inherits Listbox
ControlInstance Listbox2 Inherits Listbox
EventHandler Function CellBackgroundPaint(g As Graphics, row As Integer, column As Integer) As Boolean if row = me.ListIndex then // don't overdraw normal highlight Return false end if if Row<me.ListCount then dim v as Variant = me.CellTag(row, 0) if v isa Picture then dim p as Picture = v g.DrawPicture p, 1, 1, 14, 14, 0, 0, p.Width, p.Height Return true elseif v.Type = v.TypeColor then dim c as color = v g.ForeColor = c g.FillRect 0, 0, g.Width, g.Height Return true end if end if End EventHandler
EventHandler Sub Open() me.ColumnAlignmentOffset(0) = 20 End EventHandler
End Control
EventHandler Sub Open() pic = LogoMBS(200) for i as integer = 1 to 20 listbox1.AddRow str(i) listbox2.AddRow str(i) next // draw pic in some cells listbox2.CellTag(5,0) = pic listbox2.CellTag(8,0) = pic listbox2.CellTag(9,0) = pic listbox2.CellTag(12,0) = pic listbox2.CellTag(19,0) = pic // draw color in some other cells listbox2.CellTag(2,0) = RandomColor listbox2.CellTag(3,0) = RandomColor listbox2.CellTag(10,0) = RandomColor listbox2.CellTag(11,0) = RandomColor listbox2.CellTag(18,0) = RandomColor End EventHandler
Function RandomColor() As Color // gives a light color Return rgb(127+rnd*128, 127+rnd*128, 127+rnd*128) End Function
Property pic As Picture
End Class
MenuBar MenuBar1
MenuItem FileMenu = "&File"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "#App.kEditClear"
MenuItem UntitledMenu0 = "-"
MenuItem EditSelectAll = "Select &All"
End MenuBar
End Project

See also:

The items on this page are in the following plugins: MBS Main Plugin.


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