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    copied!<p>Are you sure? I've got it working in this test case:</p> <pre><code>using System; using System.Windows.Forms; public class MainForm : Form { private System.ComponentModel.IContainer components = null; private System.Windows.Forms.ListView listView; private System.Windows.Forms.ImageList emptySmallImageList; private System.Windows.Forms.ImageList largeImageList; private System.Windows.Forms.Button imageListSmallButton; private System.Windows.Forms.Button imageListLargeButton; public MainForm() { InitializeComponent(); } private void OnImageListSmallButtonClick(object sender, EventArgs e) { this.listView.LargeImageList = emptySmallImageList; } private void OnImageListLargeButtonClick(object sender, EventArgs e) { this.listView.LargeImageList = largeImageList; } protected override void Dispose(bool disposing) { if (disposing &amp;&amp; (components != null)) { components.Dispose(); } base.Dispose(disposing); } private void InitializeComponent() { this.components = new System.ComponentModel.Container(); System.Windows.Forms.ListViewItem listViewItem5 = new System.Windows.Forms.ListViewItem("fgsdfg"); System.Windows.Forms.ListViewItem listViewItem6 = new System.Windows.Forms.ListViewItem("sdfgsdfg"); System.Windows.Forms.ListViewItem listViewItem7 = new System.Windows.Forms.ListViewItem("sdfgsdfgsdfg"); System.Windows.Forms.ListViewItem listViewItem8 = new System.Windows.Forms.ListViewItem("sdfgsdfg"); this.listView = new System.Windows.Forms.ListView(); this.largeImageList = new System.Windows.Forms.ImageList(this.components); this.emptySmallImageList = new System.Windows.Forms.ImageList(this.components); this.imageListSmallButton = new System.Windows.Forms.Button(); this.imageListLargeButton = new System.Windows.Forms.Button(); this.SuspendLayout(); // // listView // this.listView.Dock = System.Windows.Forms.DockStyle.Fill; this.listView.Items.AddRange(new System.Windows.Forms.ListViewItem[] { listViewItem5, listViewItem6, listViewItem7, listViewItem8}); this.listView.LargeImageList = this.largeImageList; this.listView.Location = new System.Drawing.Point(0, 0); this.listView.Name = "listView"; this.listView.Size = new System.Drawing.Size(292, 266); this.listView.TabIndex = 0; this.listView.UseCompatibleStateImageBehavior = false; this.listView.View = System.Windows.Forms.View.Tile; // // largeImageList // this.largeImageList.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit; this.largeImageList.ImageSize = new System.Drawing.Size(32, 32); this.largeImageList.TransparentColor = System.Drawing.Color.Transparent; // // emptySmallImageList // this.emptySmallImageList.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit; this.emptySmallImageList.ImageSize = new System.Drawing.Size(1, 1); this.emptySmallImageList.TransparentColor = System.Drawing.Color.Transparent; // // imageListSmallButton // this.imageListSmallButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right))); this.imageListSmallButton.Location = new System.Drawing.Point(175, 12); this.imageListSmallButton.Name = "imageListSmallButton"; this.imageListSmallButton.Size = new System.Drawing.Size(95, 23); this.imageListSmallButton.TabIndex = 1; this.imageListSmallButton.Text = "ImageList 1x1"; this.imageListSmallButton.UseVisualStyleBackColor = true; this.imageListSmallButton.Click += new System.EventHandler(this.OnImageListSmallButtonClick); // // imageListLargeButton // this.imageListLargeButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right))); this.imageListLargeButton.Location = new System.Drawing.Point(175, 53); this.imageListLargeButton.Name = "imageListLargeButton"; this.imageListLargeButton.Size = new System.Drawing.Size(95, 23); this.imageListLargeButton.TabIndex = 2; this.imageListLargeButton.Text = "ImageList 32x32"; this.imageListLargeButton.UseVisualStyleBackColor = true; this.imageListLargeButton.Click += new System.EventHandler(this.OnImageListLargeButtonClick); // // MainForm // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size(292, 266); this.Controls.Add(this.imageListLargeButton); this.Controls.Add(this.imageListSmallButton); this.Controls.Add(this.listView); this.Name = "MainForm"; this.Text = "Form1"; this.ResumeLayout(false); } [STAThread] static void Main() { Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); Application.Run(new MainForm()); } } </code></pre> <hr> <p>I've got it doing what your seeing now, I can't understand why its not doing a resize... i wonder if Doing a SendMessage will do the trick but i duno what message it would be.</p> <p>the best work arround i can see if you do this:</p> <pre><code>imageList1.ImageSize = new Size(1,1); </code></pre> <hr> <p>I created a test one and it seemed to work unless I set the <code>StateImageList</code>. Are you clearing the <code>StateImageList</code> also?</p>
 

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