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https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
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24 lines
823 B
C#
24 lines
823 B
C#
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using System;
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using System.Windows.Forms;
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using System.Runtime.InteropServices;
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// As per http://stackoverflow.com/questions/10362988/treeview-flickering
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// Gets rid of the flickering default TreeView
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namespace CodeImp.DoomBuilder.SoundPropagationMode
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{
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public class BufferedTreeView : TreeView
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{
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protected override void OnHandleCreated(EventArgs e)
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{
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SendMessage(this.Handle, TVM_SETEXTENDEDSTYLE, (IntPtr)TVS_EX_DOUBLEBUFFER, (IntPtr)TVS_EX_DOUBLEBUFFER);
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base.OnHandleCreated(e);
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}
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// Pinvoke:
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private const int TVM_SETEXTENDEDSTYLE = 0x1100 + 44;
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private const int TVM_GETEXTENDEDSTYLE = 0x1100 + 45;
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private const int TVS_EX_DOUBLEBUFFER = 0x0004;
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[DllImport("user32.dll")]
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private static extern IntPtr SendMessage(IntPtr hWnd, int msg, IntPtr wp, IntPtr lp);
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}
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}
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