在WPF应用程序中,是否有可能禁用Windows 7的自动窗口停靠功能?
在WPF应用程序中,是否有可能禁用Windows 7的自动窗口停靠功能?
我最近需要对自定义的可调整大小的 ResizeMode = CanResizeWithGrip
WPF 窗口进行操作,该窗口没有窗口装饰(无标题栏和按钮)。我使用了 DragMove()
来移动该窗口,当它被 AeroSnap 最大化时,窗口变为不可移动,因此锁定在原位。
我尝试了Barn Monkey 的解决方案,部分可行,但仍会显示 AeroSnap 图形并将应用程序调整为全屏大小。我对其进行了修改,现在它按预期工作:仍然可调整大小,但完全没有 AeroSnap。
void Window1_MouseDown(object sender, MouseButtonEventArgs e)
{
if( e.LeftButton == MouseButtonState.Pressed )
{
// this prevents win7 aerosnap
if( this.ResizeMode != System.Windows.ResizeMode.NoResize )
{
this.ResizeMode = System.Windows.ResizeMode.NoResize;
this.UpdateLayout();
}
DragMove();
}
}
void Window1_MouseUp( object sender, MouseButtonEventArgs e )
{
if( this.ResizeMode == System.Windows.ResizeMode.NoResize )
{
// restore resize grips
this.ResizeMode = System.Windows.ResizeMode.CanResizeWithGrip;
this.UpdateLayout();
}
}
编辑:
我写这篇文章已经有一段时间了,但是由于人们仍然在查看,因此我将更新它,告诉大家现在我使用的方法。我仍然基本上使用相同的方法来防止边缘捕捉和移动窗口,但现在它们被打包成自定义的Behavior<>
类,我可以将其附加到Window
或UserControl
上。这使它们非常容易与MVVM(我使用Caliburn Micro)一起使用。
行为类包括:
/// <summary>
/// behavior that makes a window/dialog draggable by clicking anywhere
/// on it that is not a control (ie, button)
/// </summary>
public class DragMoveBehavior<T> : Behavior<T> where T : FrameworkElement
{
protected override void OnAttached()
{
AssociatedObject.MouseLeftButtonDown += MouseDown;
base.OnAttached();
}
protected override void OnDetaching()
{
AssociatedObject.MouseLeftButtonDown -= MouseDown;
base.OnDetaching();
}
void MouseDown( object sender, EventArgs ea ) => Window.GetWindow( sender as T )?.DragMove();
}
public class WinDragMoveBehavior : DragMoveBehavior<Window> { }
public class UCDragMoveBehavior : DragMoveBehavior<UserControl> { }
/// <summary>
/// behavior that makes a window/dialog not resizable while clicked. this prevents
/// the window from being snapped to the edge of the screen (AeroSnap). if DragMoveBehavior
/// is also used, this must be attached first.
/// </summary>
/// <typeparam name="T"></typeparam>
public class NoSnapBehavior<T> : Behavior<T> where T : FrameworkElement
{
ResizeMode lastMode = ResizeMode.NoResize;
protected override void OnAttached()
{
AssociatedObject.MouseLeftButtonDown += MouseDown;
AssociatedObject.MouseLeftButtonUp += MouseUp;
base.OnAttached();
}
protected override void OnDetaching()
{
AssociatedObject.MouseLeftButtonDown -= MouseDown;
AssociatedObject.MouseLeftButtonUp -= MouseUp;
base.OnDetaching();
}
/// <summary>
/// make it so the window can be moved by dragging
/// </summary>
void MouseDown( object sender, EventArgs ea )
{
var win = Window.GetWindow( sender as T );
if( win != null && win.ResizeMode != ResizeMode.NoResize )
{
lastMode = win.ResizeMode;
win.ResizeMode = ResizeMode.NoResize;
win.UpdateLayout();
}
}
void MouseUp( object sender, EventArgs ea )
{
var win = Window.GetWindow( sender as T );
if( win != null && win.ResizeMode != lastMode )
{
win.ResizeMode = lastMode;
win.UpdateLayout();
}
}
}
public class WinNoSnapBehavior : NoSnapBehavior<Window> { }
public class UCNoSnapBehavior : NoSnapBehavior<UserControl> { }
我会使用以下代码将它们附加到我的对话框视图中:
<UserControl ...
xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
xmlns:util:="...">
<i:Interaction.Behaviors>
<util:UCNoSnapBehavior/>
<util:UCDragMoveBehavior/>
</i:Interaction.Behaviors>
...
</UserControl>
它只是有效!
<UserControl ...
正下方的 xmlns
声明中修复拼写错误 utli
。 - vullnetyy我曾经使用过Anthony的解决方案一段时间,但是如果您切换ResizeMode,窗口会暂时删除大小调整边框,这有点令人烦恼。这里提供另一个解决方案。通过设置WS_OVERLAPPEDWINDOW标志并删除WS_THICKFRAME标志,可以在不暂时删除大小调整边框的情况下禁用窗口的Aero Snap功能。您可以玩弄样式以获得所需的准确样式,但关键是删除WS_THICKFRAME标志。
public enum WindowStyles: int
{
WS_BORDER = 0x00800000,
WS_CAPTION = 0x00C00000,
WS_CHILD = 0x40000000,
WS_CHILDWINDOW = 0x40000000,
WS_CLIPCHILDREN = 0x02000000,
WS_CLIPSIBLINGS = 0x04000000,
WS_DISABLED = 0x08000000,
WS_DLGFRAME = 0x00400000,
WS_GROUP = 0x00020000,
WS_HSCROLL = 0x00100000,
WS_ICONIC = 0x20000000,
WS_MAXIMIZE = 0x01000000,
WS_MAXIMIZEBOX = 0x00010000,
WS_MINIMIZE = 0x20000000,
WS_MINIMIZEBOX = 0x00020000,
WS_OVERLAPPED = 0x00000000,
WS_OVERLAPPEDWINDOW = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX,
WS_POPUP = unchecked((int)0x80000000),
WS_POPUPWINDOW = WS_POPUP | WS_BORDER | WS_SYSMENU,
WS_SIZEBOX = 0x00040000,
WS_SYSMENU = 0x00080000,
WS_TABSTOP = 0x00010000,
WS_THICKFRAME = 0x00040000,
WS_TILED = 0x00000000,
WS_TILEDWINDOW = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX,
WS_VISIBLE = 0x10000000,
WS_VSCROLL = 0x00200000,
}
int newWinLongStyle = 0;
newWinLongStyle |= (int)WindowStyles.WS_OVERLAPPEDWINDOW;
newWinLongStyle ^= (int)WindowStyles.WS_THICKFRAME;
WindowInteropHelper helper = new WindowInteropHelper(this);
NativeMethods.SetWindowLong(helper.Handle, (int)WindowStyles.GWL_STYLE, newWinLongStyle);
如果你正在举例说明Win7的“便笺”功能,你可能已经注意到它没有标准的窗口边框。基于此,我只能告诉你除非你设置ResizeMode="NoResize"
并手动处理调整大小的行为,否则没有直接的方法。以下是一个非常基本、非专业的解决方案,我快速创建了它让你开始工作,但如果你喜欢,你可以追加更多的功能:)
<Window
x:Class="WpfApplication1.Window1"
x:Name="window"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Window1"
Width="300"
Height="300"
ResizeMode="NoResize"
WindowStyle="None"
AllowsTransparency="True"
Background="Transparent"
WindowState="Maximized">
<Window.Resources>
<x:Array
x:Key="TextBlockList"
Type="{x:Type TextBlock}">
<TextBlock
Text="○ Resize Horizontally by dragging right grip" />
<TextBlock
Text="○ Resize Vertically by dragging bottom grip" />
<TextBlock
Text="○ Move Horizontally by dragging left grip" />
<TextBlock
Text="○ Move Verticallyby dragging top grip" />
</x:Array>
</Window.Resources>
<Grid>
<Grid.RowDefinitions>
<RowDefinition
Height="Auto" />
<RowDefinition
Height="{Binding Height, Mode=OneWay, ElementName=window}" />
<RowDefinition
Height="Auto" />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition
Width="Auto" />
<ColumnDefinition
Width="{Binding Width, Mode=OneWay, ElementName=window}" />
<ColumnDefinition
Width="Auto" />
</Grid.ColumnDefinitions>
<GridSplitter
Grid.Column="1"
Grid.Row="1"
HorizontalAlignment="Left"
MinWidth="5" />
<GridSplitter
Grid.Column="1"
Grid.Row="1"
HorizontalAlignment="Right"
MinWidth="5" />
<GridSplitter
Grid.Column="1"
Grid.Row="1"
VerticalAlignment="Top"
MinHeight="5"
ResizeDirection="Rows"
HorizontalAlignment="Stretch" />
<GridSplitter
Grid.Column="1"
Grid.Row="1"
VerticalAlignment="Bottom"
MinHeight="5"
ResizeDirection="Rows"
HorizontalAlignment="Stretch" />
<Border
Grid.Column="1"
Grid.Row="1"
Background="{DynamicResource {x:Static SystemColors.WindowBrushKey}}"
Margin="5">
<Grid x:Name="root">
<ItemsControl
ItemsSource="{StaticResource TextBlockList}" />
</Grid>
</Border>
</Grid>
</Window>
class NoSnapWindow : System.Windows.Window
{
public NoSnapWindow()
{
SourceInitialized += delegate {
var source = HwndSource.FromVisual(this) as HwndSource;
source.AddHook(SourceHook);
};
}
private IntPtr SourceHook(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
switch (msg)
{
case 0x112: // WM_SYSCOMMAND
switch (wParam.ToIn32() & ~0x0F)
{
case 0xF010: // SC_MOVE
ResizeMode = ResizeMode.NoResize;
break;
}
break;
case 0x2A2: // WM_MOUSELEAVE
ResizeMode = ResizeMode.CanResize;
break;
}
return IntPtr.Zero;
}
}
我需要检测 Windows 7 Aero snaps/docks,以防止 WPF 应用程序的窗口大小更改。在我的搜索过程中,我偶然发现了这篇文章,并发现Anthony给出的答案非常有帮助。
以下是对我有用的内容:
private void DisplayWindow_MouseMove(object sender, MouseEventArgs e)
{
if (e.LeftButton == MouseButtonState.Released)
{
this.ResizeMode = System.Windows.ResizeMode.CanResizeWithGrip;
}
}
private void DisplayWindow_LocationChanged(object sender, EventArgs e)
{
this.ResizeMode = System.Windows.ResizeMode.NoResize;
}
窗口的XAML具有ResizeMode="CanResizeWithGrip"
设置。
编辑:
我的回应不能很好地处理Windows 7 Aero捕捉。 bjo的回应 巧妙地解决了我的问题。
对于你来说可能不是完美的解决方案,但对我来说将表单设置为不可调整大小就可以解决问题。
DragMove暂停了UI线程。 那段代码同样可以工作。
void Window1_MouseDown(object sender, MouseButtonEventArgs e)
{
if( e.LeftButton == MouseButtonState.Pressed )
{
// this prevents win7 aerosnap
this.ResizeMode = System.Windows.ResizeMode.NoResize;
this.UpdateLayout();
DragMove();
// restore resize grips
this.ResizeMode = System.Windows.ResizeMode.CanResizeWithGrip;
this.UpdateLayout();
}
}
[DllImport("user32.dll")]
private static extern int GetWindowLong(IntPtr hWnd, int nIndex);
[DllImport("user32.dll")]
private static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
private const int GWL_STYLE = -16;
private const int WS_MAXIMIZEBOX = 0x10000;
private void Window_OnSourceInitialized(object sender, EventArgs e)
{
var hwnd = new WindowInteropHelper((Window)sender).Handle;
var value = GetWindowLong(hwnd, GWL_STYLE);
SetWindowLong(hwnd, GWL_STYLE, (int)(value & ~WS_MAXIMIZEBOX));
}
我这里没有Windows 7的电脑,所以无法测试,但以下是我的建议:
1- 创建一个测试表单并覆盖WndProc
2- 测试和记录与大小、位置和窗口状态更改相关的特定消息。
3- 确定当停靠时发送到窗口的消息是否是大小/位置/窗口状态的组合,还是是否有另一种新的Windows 7消息(5分钟的搜索没有给我带来任何发现)。
4- 一旦您获得了消息,请检查是否存在“独特”的情况。
5- 修改您的代码以适应该独特情况。
如果没有其他人提出任何想法,我可能会在家里尝试这个周末。
在 Windows 10 上,将“this.MaximizeBox = false”设置为true实际上会破坏Snap。也许这对你有用?