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WPF How to enable shadows and rounded corners on ToolTips in Windows 11

The Brick answered on June 13, 2023 Popularity 2/10 Helpfulness 1/10

answer WPF How to enable shadows and rounded corners on ToolTips in Windows 11

related WPF How to enable shadows and rounded corners on ToolTips in Windows 11

WPF How to enable shadows and rounded corners on ToolTips in Windows 11

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Private Sub ToolTip_Opened(sender As Object, e As RoutedEventArgs)
	' Check that the user Is on Windows 11 (which Is technically Windows 10 build 22000 Or higher) And that high contrast mode Is Not on as this method does Not work well with the WPF high contrast theme.
	If Environment.OSVersion.Version.Major >= 10 And Environment.OSVersion.Version.Build >= 22000 And SystemParameters.HighContrast = False Then
		' Gets the window handle of the ToolTip. This Is used to tell Windows what window we want to apply the shadow And rounded corners to.
		Dim SenderHwnd As HwndSource = HwndSource.FromVisual(sender)
		' Call the DWMSetWindowAttribute function, setting attribute 33 which Is DWMWA_WINDOW_CORNER_PREFERENCE. 3 indicates to apply a shadow and round the corners with a small radius.
		Application.DwmSetWindowAttribute(SenderHwnd.Handle, 33, 3, Marshal.SizeOf(3))
	End If
End Sub

Popularity 2/10 Helpfulness 1/10 Language vb

Source: codingguides.quinnscomputing.com

Tags: rounded-corners shadows vba windows-11 wpf

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Contributed on Jun 13 2023

The Brick

0 Answers Avg Quality 2/10

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WPF How to enable shadows and rounded corners on ToolTips in Windows 11

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<Style TargetType="ToolTip">
	<EventSetter Event="Opened" Handler="ToolTip_Opened"/>
</Style>

Popularity 3/10 Helpfulness 1/10 Language whatever

Source: codingguides.quinnscomputing.com

Tags: rounded-corners whatever wpf windows-11 shadows

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Contributed on Jun 13 2023

The Brick

0 Answers Avg Quality 2/10

WPF How to enable shadows and rounded corners on ToolTips in Windows 11

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[DllImport("dwmapi.dll", PreserveSig = true)]
public static extern int DwmSetWindowAttribute(IntPtr hwnd, int attr, ref int attrValue, int attrSize);

private void ToolTip_Opened(object sender, RoutedEventArgs e)
{
	// Check that the user is on Windows 11 (which is technically Windows 10 build 22000 or higher) and that high contrast mode is not on as this method does not work well with the WPF high contrast theme.
	if (Environment.OSVersion.Version.Major >= 10 && Environment.OSVersion.Version.Build >= 22000 && SystemParameters.HighContrast == false)
	{
		// Gets the window handle of the ToolTip. This is used to tell Windows what window we want to apply the shadow and rounded corners to.
		HwndSource SenderHwnd = (HwndSource)HwndSource.FromVisual((System.Windows.Media.Visual)sender);
		// 3 indicates to apply a shadow and round the corners with a small.
		int DWMWCP_ROUNDSMALL = 3;
		// Call the DWMSetWindowAttribute function, setting attribute 33 which is DWMWA_WINDOW_CORNER_PREFERENCE.
		DwmSetWindowAttribute(SenderHwnd.Handle, 33, ref DWMWCP_ROUNDSMALL, Marshal.SizeOf(3));
	}
}

Popularity 2/10 Helpfulness 1/10 Language csharp

Source: www.grepper.com

Tags: c# windows-11 shadows wpf rounded-corners

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Contributed on Jun 13 2023

The Brick

0 Answers Avg Quality 2/10

WPF How to enable shadows and rounded corners on ToolTips in Windows 11

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