fd19b09320
git-subtree-dir: NotifyIconWpf git-subtree-split: f64d48ec604eef26e5dc1e7c2d5e1e91b329ffac
85 lines
2.9 KiB
C#
85 lines
2.9 KiB
C#
// hardcodet.net NotifyIcon for WPF
|
|
// Copyright (c) 2009 - 2020 Philipp Sumi
|
|
// Contact and Information: http://www.hardcodet.net
|
|
//
|
|
// This library is free software; you can redistribute it and/or
|
|
// modify it under the terms of the Code Project Open License (CPOL);
|
|
// either version 1.0 of the License, or (at your option) any later
|
|
// version.
|
|
//
|
|
// The above copyright notice and this permission notice shall be
|
|
// included in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
// OTHER DEALINGS IN THE SOFTWARE.
|
|
//
|
|
// THIS COPYRIGHT NOTICE MAY NOT BE REMOVED FROM THIS FILE
|
|
|
|
using System.Diagnostics.Contracts;
|
|
using System.Windows.Interop;
|
|
|
|
namespace Hardcodet.Wpf.TaskbarNotification.Interop
|
|
{
|
|
/// <summary>
|
|
/// This class is a helper for system information, currently to get the DPI factors
|
|
/// </summary>
|
|
public static class SystemInfo
|
|
{
|
|
/// <summary>
|
|
/// Make sure the initial value is calculated at the first access
|
|
/// </summary>
|
|
static SystemInfo()
|
|
{
|
|
UpdateDpiFactors();
|
|
}
|
|
|
|
/// <summary>
|
|
/// This calculates the current DPI values and sets this into the DpiFactorX/DpiFactorY values
|
|
/// </summary>
|
|
internal static void UpdateDpiFactors()
|
|
{
|
|
using (var source = new HwndSource(new HwndSourceParameters()))
|
|
{
|
|
if (source.CompositionTarget?.TransformToDevice != null)
|
|
{
|
|
DpiFactorX = source.CompositionTarget.TransformToDevice.M11;
|
|
DpiFactorY = source.CompositionTarget.TransformToDevice.M22;
|
|
return;
|
|
}
|
|
}
|
|
|
|
DpiFactorX = DpiFactorY = 1;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns the DPI X Factor
|
|
/// </summary>
|
|
public static double DpiFactorX { get; private set; } = 1;
|
|
|
|
/// <summary>
|
|
/// Returns the DPI Y Factor
|
|
/// </summary>
|
|
public static double DpiFactorY { get; private set; } = 1;
|
|
|
|
/// <summary>
|
|
/// Scale the supplied point to the current DPI settings
|
|
/// </summary>
|
|
/// <param name="point"></param>
|
|
/// <returns>Point</returns>
|
|
[Pure]
|
|
public static Point ScaleWithDpi(this Point point)
|
|
{
|
|
return new Point
|
|
{
|
|
X = (int)(point.X / DpiFactorX),
|
|
Y = (int)(point.Y / DpiFactorY)
|
|
};
|
|
}
|
|
}
|
|
} |