mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
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002d6e9c89
Fixed occasional TreeView flickering in Edit Things window, Browse Action window and Tag Explorer panel. Updated Thing category icons in the Edit Things window. They now have "opened" and "closed" states. Internal: added BufferedTreeView to the core controls. Updated ZDoom game configurations (sector crush mode). Updated ZDoom ACC.
27 lines
835 B
C#
27 lines
835 B
C#
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.Controls
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{
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public class BufferedTreeView : TreeView
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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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// Methods
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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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}
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}
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