forked from mirrors/NBTExplorer
Try to improve control flicker
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parent
366ec3fe9e
commit
5d51967501
3 changed files with 92 additions and 2 deletions
64
NBTExplorer/Interop.cs
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64
NBTExplorer/Interop.cs
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using System;
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using System.Runtime.InteropServices;
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namespace NBTExplorer
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{
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internal static class Interop
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{
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public static bool WinInteropAvailable
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{
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get { return IsWindows && Type.GetType("Mono.Runtime") == null; }
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}
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public static bool IsWindows
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{
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get { return Environment.OSVersion.Platform == PlatformID.Win32NT; }
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}
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public static bool IsWinXP
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{
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get
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{
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OperatingSystem OS = Environment.OSVersion;
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return (OS.Platform == PlatformID.Win32NT) &&
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((OS.Version.Major > 5) || ((OS.Version.Major == 5) && (OS.Version.Minor == 1)));
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}
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}
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public static bool IsWinVista
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{
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get
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{
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OperatingSystem OS = Environment.OSVersion;
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return (OS.Platform == PlatformID.Win32NT) && (OS.Version.Major >= 6);
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}
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}
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public static IntPtr SendMessage (IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam)
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{
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if (WinInteropAvailable)
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return NativeInterop.SendMessage(hWnd, msg, wParam, lParam);
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else
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return IntPtr.Zero;
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}
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}
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internal static class NativeInterop
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{
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public const int WM_PRINTCLIENT = 0x0318;
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public const int PRF_CLIENT = 0x00000004;
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public const int TV_FIRST = 0x1100;
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public const int TVM_SETBKCOLOR = TV_FIRST + 29;
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public const int TVM_SETEXTENDEDSTYLE = TV_FIRST + 44;
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public const int TVS_EX_DOUBLEBUFFER = 0x0004;
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[DllImport("user32.dll")]
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public static extern IntPtr SendMessage (IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);
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}
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}
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@ -12,6 +12,7 @@
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<AssemblyName>NBTExplorer</AssemblyName>
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<TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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<IsWebBootstrapper>false</IsWebBootstrapper>
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<PublishUrl>publish\</PublishUrl>
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<Install>true</Install>
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<InstallFrom>Disk</InstallFrom>
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@ -24,7 +25,6 @@
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<MapFileExtensions>true</MapFileExtensions>
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<ApplicationRevision>0</ApplicationRevision>
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<ApplicationVersion>1.0.0.%2a</ApplicationVersion>
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<IsWebBootstrapper>false</IsWebBootstrapper>
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<UseApplicationTrust>false</UseApplicationTrust>
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<BootstrapperEnabled>true</BootstrapperEnabled>
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</PropertyGroup>
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@ -100,6 +100,7 @@
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<Compile Include="Controllers\NodeTreeController.cs" />
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<Compile Include="FormRegistry.cs" />
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<Compile Include="Controllers\RuleTreeController.cs" />
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<Compile Include="Interop.cs" />
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<Compile Include="Model\Search\SearchRule.cs" />
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<Compile Include="NbtClipboardController.cs" />
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<Compile Include="SnapshotList.cs" />
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@ -11,7 +11,6 @@ namespace NBTExplorer.Vendor.MultiSelectTreeView
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{
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public class MultiSelectTreeView : TreeView
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{
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#region Selected Node(s) Properties
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private List<TreeNode> m_SelectedNodes = null;
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@ -57,14 +56,40 @@ namespace NBTExplorer.Vendor.MultiSelectTreeView
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public MultiSelectTreeView()
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{
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DoubleBuffered = true;
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SetStyle(ControlStyles.OptimizedDoubleBuffer | ControlStyles.AllPaintingInWmPaint, true);
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m_SelectedNodes = new List<TreeNode>();
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base.SelectedNode = null;
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}
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private void UpdateExtendedStyles ()
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{
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if (Interop.WinInteropAvailable) {
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int style = 0;
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if (DoubleBuffered)
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style |= NativeInterop.TVS_EX_DOUBLEBUFFER;
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if (style != 0)
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Interop.SendMessage(Handle, NativeInterop.TVM_SETEXTENDEDSTYLE, (IntPtr)NativeInterop.TVS_EX_DOUBLEBUFFER, (IntPtr)style);
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}
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}
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#region Overridden Events
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protected override void OnHandleCreated (EventArgs e)
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{
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base.OnHandleCreated(e);
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if (Interop.WinInteropAvailable) {
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UpdateExtendedStyles();
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if (!Interop.IsWinXP)
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Interop.SendMessage(Handle, NativeInterop.TVM_SETBKCOLOR, IntPtr.Zero, (IntPtr)ColorTranslator.ToWin32(BackColor));
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}
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}
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protected override void OnGotFocus( EventArgs e )
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{
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// Make sure at least one node has a selection
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