Imports Infragistics.Win Imports Infragistics.Win.UltraWinSchedule Imports Infragistics.Win.UltraWinEditors Imports System.Drawing.Drawing2D ' <summary> ' UltraComboEditor-derived class which emulates a color-picker ' for the purpose of providing the end user with a way to select ' Outlook2007ColorScheme instances. ' </summary> Public Class Outlook2007ColorSchemeDropDown Inherits UltraComboEditor Private Shared ReadOnly defaultItemHeight As Integer = 18 Private _calendarLook As UltraCalendarLook = Nothing Public Sub New(ByVal parent As Control, ByVal calendarLook As UltraCalendarLook) MyBase.New() If parent Is Nothing Then Throw New ArgumentNullException() If calendarLook Is Nothing Then Throw New ArgumentNullException() Me._calendarLook = calendarLook ' Set the DropDownStyle to DropDownList so the end user ' can only select items from the list. Me.DropDownStyle = DropDownStyle.DropDownList ' Set some of the properties of the ValueList ' so that we only display an image of the color Dim ValueList As ValueList = Me.Items.ValueList ValueList.DisplayStyle = ValueListDisplayStyle.Picture ValueList.ItemHeight = Outlook2007ColorSchemeDropDown.defaultItemHeight ValueList.ScaleItemImage = ScaleImage.Never ' Populate the list Me.PopulateList() ' Add the control to the parent Controls collection parent.Controls.Add(Me) End Sub ' <summary> ' Gets/sets the UltraCalendarLook component associated with this Outlook2007ColorSchemeDropDown instance. ' </summary> Public Property CalendarLook() As UltraCalendarLook Get Return Me._calendarLook End Get Set(ByVal Value As UltraCalendarLook) If Not Value Is Me._calendarLook Then Me._calendarLook = Value Me.PopulateList() End If End Set End Property Public Property SelectedColorScheme() As Outlook2007ColorScheme Get Dim selectedItem As ValueListItem = Me.SelectedItem Return IIf(Not selectedItem Is Nothing, selectedItem.DataValue, Nothing) End Get Set(ByVal Value As Outlook2007ColorScheme) Dim selectedIndex As Integer = -1 If Value Is Nothing Then selectedIndex = -1 Else Dim items As ValueListItemsCollection = Me.Items Dim i As Integer For i = 0 To items.Count - 1 Dim item As ValueListItem = items(i) Dim colorScheme As Outlook2007ColorScheme = item.DataValue If (Value Is colorScheme) Then selectedIndex = i Exit For End If Next Me.SelectedIndex = selectedIndex End If End Set End Property Private Sub PopulateList() ' Clear the Items collection Dim items As ValueListItemsCollection = Me.Items items.Clear() If (Me.CalendarLook Is Nothing) Then Return ' Get the width and height to use for the images we are going to generate Dim width As Integer = Me.Width - 2 Dim height As Integer = Outlook2007ColorSchemeDropDown.defaultItemHeight ' Iterate the members of the CalendarLook's Outlook2007ColorSchemes ' collection...add an item to the Items collection for each color scheme Dim colorSchemes As Outlook2007ColorSchemeCollection = Me.CalendarLook.Outlook2007ColorSchemes Dim i As Integer For i = 0 To colorSchemes.Count - 1 ' Use the SupportedColors array to index into the ' Outlook2007ColorSchemes collection Dim colorScheme As Outlook2007ColorScheme = colorSchemes(colorSchemes.SupportedColors(i)) ' Add a ValueListItem, and assign the color scheme to its DataValue property. Dim item As ValueListItem = items.Add(colorScheme) ' Get the colors we will use to represent this color scheme Dim backColor As Color = colorScheme.AppointmentBackColor2 Dim backColor2 As Color = colorScheme.BaseColor Dim borderColor As Color = colorScheme.AppointmentBorderColor ' Create a Bitmap and get a Graphics object for it Dim bitmap As Bitmap = New Bitmap(width, height) Dim gr As Graphics = Graphics.FromImage(bitmap) ' Create the Rectangle for the fill colors Dim rect As Rectangle = New Rectangle(Point.Empty, bitmap.Size) rect.Inflate(-1, -1) ' Create a LinearGradientBrush with the fill colors, ' and a Pen for the border color. Dim brush As New LinearGradientBrush(rect, backColor, backColor2, 90.0F) Dim pen As New Pen(borderColor) ' Fill the Rectangle with the gradient colors gr.FillRectangle(brush, rect) ' Reduce the width and height of the Rectangle and draw the border rect.Width -= 1 rect.Height -= 1 gr.DrawRectangle(pen, rect) ' Dispose of the GDI+ objects we created to render the image brush.Dispose() pen.Dispose() gr.Dispose() ' Assign the resulting Bitmap to the ValueListItem's Appearance.Image. item.Appearance.Image = bitmap Next If (items.Count > 0) Then ' Since this is a relatively short list, set the MaxDropDownItems ' property to the number of items in the collection so that no ' scrollbar is shown. Me.MaxDropDownItems = items.Count ' Select the item which corresponds to the default color scheme Me.SelectedColorScheme = colorSchemes.DefaultScheme End If End Sub End Class
using Infragistics.Win; using Infragistics.Win.UltraWinSchedule; using System.Diagnostics; /// <summary> /// UltraComboEditor-derived class which emulates a color-picker /// for the purpose of providing the end user with a way to select /// Outlook2007ColorScheme instances. /// </summary> public class Outlook2007ColorSchemeDropDown : UltraComboEditor { static private readonly int defaultItemHeight = 18; private UltraCalendarLook calendarLook = null; /// <summary> /// Creates a new instance of the Outlook2007ColorSchemeDropDown class. /// </summary> /// <param name="parent">The parent control</param> /// <param name="calendarLook">The UltraCalendarLook associated with the dropdown.</param> public Outlook2007ColorSchemeDropDown( Control parent, UltraCalendarLook calendarLook ) { if ( parent == null ) throw new ArgumentNullException( "parent" ); if ( calendarLook == null ) throw new ArgumentNullException( "calendarLook" ); this.calendarLook = calendarLook; // Set the DropDownStyle to DropDownList so the end user // can only select items from the list. this.DropDownStyle = DropDownStyle.DropDownList; // Set some of the properties of the ValueList // so that we only display an image of the color ValueList valueList = this.Items.ValueList; valueList.DisplayStyle = ValueListDisplayStyle.Picture; valueList.ItemHeight = Outlook2007ColorSchemeDropDown.defaultItemHeight; valueList.ScaleItemImage = ScaleImage.Never; // Populate the list this.PopulateList(); // Add the control to the parent Controls collection parent.Controls.Add( this ); } /// <summary> /// Gets/sets the UltraCalendarLook component associated with this Outlook2007ColorSchemeDropDown instance. /// </summary> public UltraCalendarLook CalendarLook { get{ return this.calendarLook; } set { if ( value != this.calendarLook ) { this.calendarLook = value; this.PopulateList(); } } } /// <summary> /// Gets/sets the currently selected Outlook2007ColorScheme. /// </summary> public Outlook2007ColorScheme SelectedColorScheme { get { ValueListItem selectedItem = this.SelectedItem; return selectedItem != null ? selectedItem.DataValue as Outlook2007ColorScheme : null; } set { int selectedIndex = -1; if ( value == null ) selectedIndex = -1; else { ValueListItemsCollection items = this.Items; for ( int i = 0; i < items.Count; i ++ ) { ValueListItem item = items[i]; Outlook2007ColorScheme colorScheme = item.DataValue as Outlook2007ColorScheme; if ( value == colorScheme ) { selectedIndex = i; break; } } this.SelectedIndex = selectedIndex; } } } private void PopulateList() { // Clear the Items collection ValueListItemsCollection items = this.Items; items.Clear(); if ( this.CalendarLook == null ) return; // Get the width and height to use for the images we are going to generate int width = this.Width - 2; int height = Outlook2007ColorSchemeDropDown.defaultItemHeight; // Iterate the members of the CalendarLook's Outlook2007ColorSchemes // collection...add an item to the Items collection for each color scheme Outlook2007ColorSchemeCollection colorSchemes = this.CalendarLook.Outlook2007ColorSchemes; for ( int i = 0; i < colorSchemes.Count; i ++ ) { // Use the SupportedColors array to index into the // Outlook2007ColorSchemes collection Outlook2007ColorScheme colorScheme = colorSchemes[ colorSchemes.SupportedColors[i] ]; // Add a ValueListItem, and assign the color scheme to its DataValue property. ValueListItem item = items.Add( colorScheme ); // Get the colors we will use to represent this color scheme Color backColor = colorScheme.AppointmentBackColor2; Color backColor2 = colorScheme.BaseColor; Color borderColor = colorScheme.AppointmentBorderColor; // Create a Bitmap and get a Graphics object for it Bitmap bitmap = new Bitmap( width, height ); Graphics gr = Graphics.FromImage( bitmap ); // Create the Rectangle for the fill colors Rectangle rect = new Rectangle( Point.Empty, bitmap.Size ); rect.Inflate( -1, -1 ); // Create a LinearGradientBrush with the fill colors, // and a Pen for the border color. LinearGradientBrush brush = new LinearGradientBrush( rect, backColor, backColor2, 90f ); Pen pen = new Pen( borderColor ); // Fill the Rectangle with the gradient colors gr.FillRectangle( brush, rect ); // Reduce the width and height of the Rectangle and draw the border rect.Width -= 1; rect.Height -= 1; gr.DrawRectangle( pen, rect ); // Dispose of the GDI+ objects we created to render the image brush.Dispose(); pen.Dispose(); gr.Dispose(); // Assign the resulting Bitmap to the ValueListItem's Appearance.Image. item.Appearance.Image = bitmap; } if ( items.Count > 0 ) { // Since this is a relatively short list, set the MaxDropDownItems // property to the number of items in the collection so that no // scrollbar is shown. this.MaxDropDownItems = items.Count; // Select the item which corresponds to the default color scheme this.SelectedColorScheme = colorSchemes.DefaultScheme; } } }
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2