Add some DWM attributes.

kkwpsv · Apr 5, 2021 · 1fceb3f · 1fceb3f
1 parent c260f90
commit 1fceb3f
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Showing 5 changed files with 138 additions and 5 deletions.
diff --git a/WindowDebugger/Converters/DWM_CLOAKEDToStringConverter.cs b/WindowDebugger/Converters/DWM_CLOAKEDToStringConverter.cs
@@ -0,0 +1,22 @@
+using Lsj.Util.Win32.Enums;
+using System;
+using System.Globalization;
+using System.Windows;
+using System.Windows.Data;
+
+namespace WindowDebugger.Converters
+{
+    public class DWM_CLOAKEDToStringConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value is DWM_CLOAKED)
+            {
+                return value.ToString();
+            }
+            return DependencyProperty.UnsetValue;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) => throw new NotImplementedException();
+    }
+}
diff --git a/WindowDebugger/Converters/RECTToStringConverter.cs b/WindowDebugger/Converters/RECTToStringConverter.cs
@@ -0,0 +1,22 @@
+using Lsj.Util.Win32.Structs;
+using System;
+using System.Globalization;
+using System.Windows;
+using System.Windows.Data;
+
+namespace WindowDebugger.Converters
+{
+    public class RECTToStringConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value is RECT rect)
+            {
+                return $"({rect.left}, {rect.top}, {rect.right}, {rect.bottom})";
+            }
+            return DependencyProperty.UnsetValue;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) => throw new NotImplementedException();
+    }
+}
diff --git a/WindowDebugger/Converters/WindowStylesToStringConverter.cs b/WindowDebugger/Converters/WindowStylesToStringConverter.cs
@@ -1,8 +1,6 @@
 using Lsj.Util.Win32.Enums;
 using System;
-using System.Collections.Generic;
 using System.Globalization;
-using System.Text;
 using System.Windows;
 using System.Windows.Data;
 

diff --git a/WindowDebugger/ViewModels/WindowItem.cs b/WindowDebugger/ViewModels/WindowItem.cs
@@ -31,6 +31,7 @@
 using static Lsj.Util.Win32.ComInterfaces.CLSIDs;
 using static Lsj.Util.Win32.ComInterfaces.IIDs;
 using static Lsj.Util.Win32.Enums.CLSCTX;
+using static Lsj.Util.Win32.Enums.DWMWINDOWATTRIBUTE;
 
 namespace WindowDebugger.ViewModels
 {
@@ -102,6 +103,18 @@ static WindowItem()
         private BitmapSource _screenshot;
         public BitmapSource Screenshot { get => _screenshot; set => SetField(ref _screenshot, value); }
 
+        private bool _dwmNcRenderingEnabled;
+        public bool DWMNcRenderingEnabled { get => _dwmNcRenderingEnabled; }
+
+        private RECT _dwmCaptionButtonBounds;
+        public RECT DWMCaptionButtonBounds { get => _dwmCaptionButtonBounds; }
+
+        private RECT _dwmExtendedFrameBounds;
+        public RECT DWMExtendedFrameBounds { get => _dwmExtendedFrameBounds; }
+
+        private DWM_CLOAKED _dwmCloaked;
+        public DWM_CLOAKED DWMCloaked { get => _dwmCloaked; }
+
         private bool _isTouchWindow;
         public bool IsTouchWindow { get => _isTouchWindow; }
 
@@ -113,6 +126,11 @@ private void SetError()
             LastError = ErrorMessageExtensions.GetSystemErrorMessageFromCode((uint)Marshal.GetLastWin32Error());
         }
 
+        private void SetError(HRESULT hresult)
+        {
+            LastError = ErrorMessageExtensions.GetSystemErrorMessageFromCode(hresult & 0x0000FFFF);
+        }
+
         public bool SetForeground()
         {
             var result = SetForegroundWindow(_windowHandle);
@@ -374,6 +392,7 @@ public void RefreshItem()
             RefreshScreenShot();
             RefreshIsTouchWindow();
             RefreshVirtualDesktopID();
+            RefreshDWMAttributes();
         }
 
         public void RefreshText()
@@ -521,6 +540,57 @@ public void RefreshVirtualDesktopID()
             }
         }
 
+        public void RefreshDWMAttributes()
+        {
+            if ((Styles & WS_CHILD) != 0)
+            {
+                //Child Window will fail.
+                return;
+            }
+            BOOL boolVal = false;
+            RECT rectVal = new RECT();
+            DWM_CLOAKED cloakedVal = 0;
+            var result = Dwmapi.DwmGetWindowAttribute(WindowHandle, DWMWA_NCRENDERING_ENABLED, AsPointer(ref boolVal), SizeOf<BOOL>());
+            if (result)
+            {
+                SetField(ref _dwmNcRenderingEnabled, boolVal, propertyName: nameof(DWMNcRenderingEnabled));
+            }
+            else
+            {
+                SetError(result);
+            }
+
+            result = Dwmapi.DwmGetWindowAttribute(WindowHandle, DWMWA_CAPTION_BUTTON_BOUNDS, AsPointer(ref rectVal), SizeOf<RECT>());
+            if (result)
+            {
+                SetField(ref _dwmCaptionButtonBounds, rectVal, propertyName: nameof(DWMCaptionButtonBounds));
+            }
+            else
+            {
+                SetError(result);
+            }
+
+            result = Dwmapi.DwmGetWindowAttribute(WindowHandle, DWMWA_EXTENDED_FRAME_BOUNDS, AsPointer(ref rectVal), SizeOf<RECT>());
+            if (result)
+            {
+                SetField(ref _dwmExtendedFrameBounds, rectVal, propertyName: nameof(DWMExtendedFrameBounds));
+            }
+            else
+            {
+                SetError(result);
+            }
+
+            result = Dwmapi.DwmGetWindowAttribute(WindowHandle, DWMWA_CLOAKED, AsPointer(ref cloakedVal), SizeOf<DWM_CLOAKED>());
+            if (result)
+            {
+                SetField(ref _dwmCloaked, cloakedVal, propertyName: nameof(DWMCloaked));
+            }
+            else
+            {
+                SetError(result);
+            }
+        }
+
         public override string ToString() => $"0x{WindowHandle.ToString("X8")}{(!Text.IsNullOrEmpty() ? $"({Text})" : "")}";
     }
 }
diff --git a/WindowDebugger/Views/DWMTab.xaml b/WindowDebugger/Views/DWMTab.xaml
@@ -14,6 +14,8 @@
     <Border Padding="10,10,10,0">
         <Grid>
             <Grid.Resources>
+                <converters:RECTToStringConverter x:Key="RECTToStringConverter"/>
+                <converters:DWM_CLOAKEDToStringConverter x:Key="DWM_CLOAKEDToStringConverter"/>
                 <Style TargetType="TextBlock">
                     <Style.Setters>
                         <Setter Property="VerticalAlignment" Value="Center"/>
@@ -49,9 +51,28 @@
                 <RowDefinition Height="*"/>
             </Grid.RowDefinitions>
             <CheckBox Grid.Row="0" Grid.Column="0" Content="DwmIsCompositionEnabled" IsChecked="{Binding DwmIsCompositionEnabled, Source={x:Static viewmodels:ViewModel.Instance}, Mode=OneWay}" IsEnabled="False"/>
-            <Grid Grid.Row="1" IsEnabled="{Binding DwmIsCompositionEnabled, Source={x:Static viewmodels:ViewModel.Instance}, Mode=OneWay}">
-                <GroupBox Header="">
-
+            <Grid Grid.Row="1" IsEnabled="{Binding DwmIsCompositionEnabled, Source={x:Static viewmodels:ViewModel.Instance}, Mode=OneWay}" Margin="0 5">
+                <GroupBox Header="DWM Attributes">
+                    <Grid Margin="5">
+                        <Grid.ColumnDefinitions>
+                            <ColumnDefinition Width="2*"/>
+                            <ColumnDefinition Width="*"/>
+                            <ColumnDefinition Width="3*"/>
+                        </Grid.ColumnDefinitions>
+                        <Grid.RowDefinitions>
+                            <RowDefinition Height="*" MaxHeight="30"/>
+                            <RowDefinition Height="*" MaxHeight="30"/>
+                            <RowDefinition Height="*" MaxHeight="30"/>
+                            <RowDefinition Height="*" MaxHeight="30"/>
+                        </Grid.RowDefinitions>
+                        <CheckBox Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="2" Content="NCRENDERING ENABLED" IsChecked="{Binding DWMNcRenderingEnabled, Mode=OneWay}" IsEnabled="False"/>
+                        <TextBlock Grid.Row="1" Grid.Column="0" Text="CAPTION BUTTON BOUNDS"/>
+                        <TextBox Grid.Row="1" Grid.Column="1" Grid.ColumnSpan="2" Text="{Binding DWMCaptionButtonBounds, Converter={StaticResource RECTToStringConverter}, Mode=OneWay}" IsReadOnly="True"/>
+                        <TextBlock Grid.Row="2" Grid.Column="0" Text="EXTENDED FRAME BOUNDS"/>
+                        <TextBox Grid.Row="2" Grid.Column="1" Grid.ColumnSpan="2" Text="{Binding DWMExtendedFrameBounds, Converter={StaticResource RECTToStringConverter}, Mode=OneWay}" IsReadOnly="True"/>
+                        <TextBlock Grid.Row="3" Grid.Column="0" Text="CLOAKED"/>
+                        <TextBox Grid.Row="3" Grid.Column="1" Grid.ColumnSpan="2" Text="{Binding DWMCloaked, Converter={StaticResource DWM_CLOAKEDToStringConverter}, Mode=OneWay}" IsReadOnly="True"/>
+                    </Grid>
                 </GroupBox>
             </Grid>
         </Grid>