About the Change layer rendering using the SymbologyControl Sample
[C#]
SymbolForm.cs
using System; using System.Windows.Forms; using ESRI.ArcGIS.Display; using ESRI.ArcGIS.Controls; namespace LayerRendering { public class frmSymbol : System.Windows.Forms.Form { private ESRI.ArcGIS.Controls.AxSymbologyControl axSymbologyControl1; private System.Windows.Forms.PictureBox pictureBox1; private System.Windows.Forms.Button cmdOK; private System.Windows.Forms.Button cmdCancel; private System.ComponentModel.Container components = null; public IStyleGalleryItem m_styleGalleryItem; public frmSymbol() { InitializeComponent(); } protected override void Dispose( bool disposing ) { if( disposing ) { if(components != null) { components.Dispose(); } } base.Dispose( disposing ); } #region Windows Form Designer generated code /// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> private void InitializeComponent() { System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(frmSymbol)); this.axSymbologyControl1 = new ESRI.ArcGIS.Controls.AxSymbologyControl(); this.pictureBox1 = new System.Windows.Forms.PictureBox(); this.cmdOK = new System.Windows.Forms.Button(); this.cmdCancel = new System.Windows.Forms.Button(); ((System.ComponentModel.ISupportInitialize)(this.axSymbologyControl1)).BeginInit(); this.SuspendLayout(); // // axSymbologyControl1 // this.axSymbologyControl1.Location = new System.Drawing.Point(8, 8); this.axSymbologyControl1.Name = "axSymbologyControl1"; this.axSymbologyControl1.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("axSymbologyControl1.OcxState"))); this.axSymbologyControl1.Size = new System.Drawing.Size(304, 265); this.axSymbologyControl1.TabIndex = 0; this.axSymbologyControl1.OnItemSelected += new ESRI.ArcGIS.Controls.ISymbologyControlEvents_Ax_OnItemSelectedEventHandler(this.axSymbologyControl1_OnItemSelected); // // pictureBox1 // this.pictureBox1.Location = new System.Drawing.Point(320, 8); this.pictureBox1.Name = "pictureBox1"; this.pictureBox1.Size = new System.Drawing.Size(112, 96); this.pictureBox1.TabIndex = 1; this.pictureBox1.TabStop = false; // // cmdOK // this.cmdOK.Location = new System.Drawing.Point(320, 248); this.cmdOK.Name = "cmdOK"; this.cmdOK.Size = new System.Drawing.Size(96, 24); this.cmdOK.TabIndex = 2; this.cmdOK.Text = "OK"; this.cmdOK.Click += new System.EventHandler(this.cmdOK_Click); // // cmdCancel // this.cmdCancel.Location = new System.Drawing.Point(320, 216); this.cmdCancel.Name = "cmdCancel"; this.cmdCancel.Size = new System.Drawing.Size(96, 24); this.cmdCancel.TabIndex = 3; this.cmdCancel.Text = "Cancel"; this.cmdCancel.Click += new System.EventHandler(this.cmdCancel_Click); // // frmSymbol // this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(434, 278); this.Controls.Add(this.cmdCancel); this.Controls.Add(this.cmdOK); this.Controls.Add(this.pictureBox1); this.Controls.Add(this.axSymbologyControl1); this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog; this.Name = "frmSymbol"; this.Text = "SymbolForm"; this.Load += new System.EventHandler(this.frmSymbol_Load); ((System.ComponentModel.ISupportInitialize)(this.axSymbologyControl1)).EndInit(); this.ResumeLayout(false); } #endregion private void frmSymbol_Load(object sender, System.EventArgs e) { //Get the ArcGIS install location string sInstall = ESRI.ArcGIS.RuntimeManager.ActiveRuntime.Path; //Load the ESRI.ServerStyle file into the SymbologyControl axSymbologyControl1.LoadStyleFile(sInstall + "\\Styles\\ESRI.ServerStyle"); } private void cmdCancel_Click(object sender, System.EventArgs e) { m_styleGalleryItem = null; this.Hide(); } private void cmdOK_Click(object sender, System.EventArgs e) { this.Hide(); } private void axSymbologyControl1_OnItemSelected(object sender, ESRI.ArcGIS.Controls.ISymbologyControlEvents_OnItemSelectedEvent e) { //Preview the selected item m_styleGalleryItem = (IStyleGalleryItem) e.styleGalleryItem; PreviewImage(); } private void PreviewImage() { //Get and set the style class ISymbologyStyleClass symbologyStyleClass = axSymbologyControl1.GetStyleClass(axSymbologyControl1.StyleClass); //Preview an image of the symbol stdole.IPictureDisp picture = symbologyStyleClass.PreviewItem(m_styleGalleryItem, pictureBox1.Width, pictureBox1.Height); System.Drawing.Image image = System.Drawing.Image.FromHbitmap(new System.IntPtr(picture.Handle)); pictureBox1.Image = image; } public IStyleGalleryItem GetItem(esriSymbologyStyleClass styleClass, ISymbol symbol) { m_styleGalleryItem = null; //Get and set the style class axSymbologyControl1.StyleClass = styleClass; ISymbologyStyleClass symbologyStyleClass = axSymbologyControl1.GetStyleClass(styleClass); //Create a new server style gallery item with its style set IStyleGalleryItem styleGalleryItem = new ServerStyleGalleryItem(); styleGalleryItem.Item = symbol; styleGalleryItem.Name = "mySymbol"; //Add the item to the style class and select it symbologyStyleClass.AddItem(styleGalleryItem, 0); symbologyStyleClass.SelectItem(0); //Show the modal form this.ShowDialog(); return m_styleGalleryItem; } } }
[Visual Basic .NET]
SymbolForm.vb
Option Strict Off Option Explicit On Imports ESRI.ArcGIS.Display Imports ESRI.ArcGIS.Controls Friend Class frmSymbol Inherits System.Windows.Forms.Form #Region "Windows Form Designer generated code " Public Sub New() MyBase.New() 'This call is required by the Windows Form Designer. InitializeComponent() End Sub 'Form overrides dispose to clean up the component list. Protected Overloads Overrides Sub Dispose(ByVal Disposing As Boolean) If Disposing Then If Not components Is Nothing Then components.Dispose() End If End If MyBase.Dispose(Disposing) End Sub 'Required by the Windows Form Designer Private components As System.ComponentModel.IContainer Public WithEvents cmdCancel As System.Windows.Forms.Button Public WithEvents cmdOK As System.Windows.Forms.Button 'NOTE: The following procedure is required by the Windows Form Designer 'It can be modified using the Windows Form Designer. 'Do not modify it using the code editor. Friend WithEvents AxSymbologyControl1 As ESRI.ArcGIS.Controls.AxSymbologyControl Friend WithEvents PictureBox1 As System.Windows.Forms.PictureBox <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(frmSymbol)) Me.cmdCancel = New System.Windows.Forms.Button Me.cmdOK = New System.Windows.Forms.Button Me.AxSymbologyControl1 = New ESRI.ArcGIS.Controls.AxSymbologyControl Me.PictureBox1 = New System.Windows.Forms.PictureBox CType(Me.AxSymbologyControl1, System.ComponentModel.ISupportInitialize).BeginInit() Me.SuspendLayout() ' 'cmdCancel ' Me.cmdCancel.BackColor = System.Drawing.SystemColors.Control Me.cmdCancel.Cursor = System.Windows.Forms.Cursors.Default Me.cmdCancel.Font = New System.Drawing.Font("Arial", 8.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.cmdCancel.ForeColor = System.Drawing.SystemColors.ControlText Me.cmdCancel.Location = New System.Drawing.Point(312, 216) Me.cmdCancel.Name = "cmdCancel" Me.cmdCancel.RightToLeft = System.Windows.Forms.RightToLeft.No Me.cmdCancel.Size = New System.Drawing.Size(96, 24) Me.cmdCancel.TabIndex = 2 Me.cmdCancel.Text = "Cancel" ' 'cmdOK ' Me.cmdOK.BackColor = System.Drawing.SystemColors.Control Me.cmdOK.Cursor = System.Windows.Forms.Cursors.Default Me.cmdOK.Font = New System.Drawing.Font("Arial", 8.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.cmdOK.ForeColor = System.Drawing.SystemColors.ControlText Me.cmdOK.Location = New System.Drawing.Point(312, 248) Me.cmdOK.Name = "cmdOK" Me.cmdOK.RightToLeft = System.Windows.Forms.RightToLeft.No Me.cmdOK.Size = New System.Drawing.Size(96, 24) Me.cmdOK.TabIndex = 1 Me.cmdOK.Text = "OK" ' 'AxSymbologyControl1 ' Me.AxSymbologyControl1.Location = New System.Drawing.Point(8, 8) Me.AxSymbologyControl1.Name = "AxSymbologyControl1" Me.AxSymbologyControl1.OcxState = CType(resources.GetObject("AxSymbologyControl1.OcxState"), System.Windows.Forms.AxHost.State) Me.AxSymbologyControl1.Size = New System.Drawing.Size(296, 265) Me.AxSymbologyControl1.TabIndex = 3 ' 'PictureBox1 ' Me.PictureBox1.Location = New System.Drawing.Point(312, 8) Me.PictureBox1.Name = "PictureBox1" Me.PictureBox1.Size = New System.Drawing.Size(104, 96) Me.PictureBox1.TabIndex = 4 Me.PictureBox1.TabStop = False ' 'frmSymbol ' Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.BackColor = System.Drawing.SystemColors.Control Me.ClientSize = New System.Drawing.Size(418, 278) Me.Controls.Add(Me.PictureBox1) Me.Controls.Add(Me.AxSymbologyControl1) Me.Controls.Add(Me.cmdCancel) Me.Controls.Add(Me.cmdOK) Me.Cursor = System.Windows.Forms.Cursors.Default Me.Font = New System.Drawing.Font("Arial", 8.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog Me.Location = New System.Drawing.Point(4, 30) Me.Name = "frmSymbol" Me.RightToLeft = System.Windows.Forms.RightToLeft.No Me.Text = "Select Symbology..." CType(Me.AxSymbologyControl1, System.ComponentModel.ISupportInitialize).EndInit() Me.ResumeLayout(False) End Sub #End Region Public m_styleGalleryItem As IStyleGalleryItem Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load 'Get the ArcGIS install location Dim sInstall As String = ESRI.ArcGIS.RuntimeManager.ActiveRuntime.Path 'Load the ESRI.ServerStyle file into the SymbologyControl AxSymbologyControl1.LoadStyleFile(sInstall + "\\Styles\\ESRI.ServerStyle") End Sub Public Function GetItem(ByRef styleClass As esriSymbologyStyleClass, ByVal symbol As ISymbol) As IStyleGalleryItem m_styleGalleryItem = Nothing 'Get and set the style class AxSymbologyControl1.StyleClass = styleClass Dim symbologyStyleClass As ISymbologyStyleClass = AxSymbologyControl1.GetStyleClass(styleClass) 'Create a new server style gallery item with its style set Dim styleGalleryItem As New ServerStyleGalleryItem styleGalleryItem.Item = symbol styleGalleryItem.Name = "mySymbol" 'Add the item to the style class and select it symbologyStyleClass.AddItem(styleGalleryItem, 0) symbologyStyleClass.SelectItem(0) 'Show the modal form Me.ShowDialog() Return m_styleGalleryItem End Function Private Sub cmdCancel_Click(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles cmdCancel.Click m_styleGalleryItem = Nothing Me.Hide() End Sub Private Sub cmdOK_Click(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles cmdOK.Click Me.Hide() End Sub Private Sub AxSymbologyControl1_OnItemSelected(ByVal sender As Object, ByVal e As ESRI.ArcGIS.Controls.ISymbologyControlEvents_OnItemSelectedEvent) Handles AxSymbologyControl1.OnItemSelected 'Preview the selected item m_styleGalleryItem = e.styleGalleryItem PreviewImage() End Sub Private Sub PreviewImage() 'Get and set the style class Dim symbologyStyleClass As ISymbologyStyleClass SymbologyStyleClass = AxSymbologyControl1.GetStyleClass(AxSymbologyControl1.StyleClass) 'Preview an image of the symbol Dim picture As stdole.IPictureDisp picture = SymbologyStyleClass.PreviewItem(m_styleGalleryItem, PictureBox1.Width, PictureBox1.Height) Dim image As System.Drawing.Image image = System.Drawing.Image.FromHbitmap(New System.IntPtr(picture.Handle)) PictureBox1.Image = image End Sub End Class