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Fix for BUG-2851, Windows 7 doesn't have the used API yet.

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This commit is contained in:
Robin Krom 2021-11-01 19:02:18 +01:00
commit 24d4e926ad
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1 changed files with 6 additions and 2 deletions
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8
src/Greenshot.Base/Core/DpiHelper.cs
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@ -114,6 +114,10 @@ namespace Greenshot.Base.Core
/// <returns>uint</returns> /// <returns>uint</returns>
public static uint GetDpi(POINT location) public static uint GetDpi(POINT location)
{ {
if (!WindowsVersion.IsWindows81OrLater)
{
return DefaultScreenDpi;
}
RECT rect = new RECT(location.X, location.Y, 1, 1); RECT rect = new RECT(location.X, location.Y, 1, 1);
IntPtr hMonitor = User32.MonitorFromRect(ref rect, User32.MONITOR_DEFAULTTONEAREST); IntPtr hMonitor = User32.MonitorFromRect(ref rect, User32.MONITOR_DEFAULTTONEAREST);
var result = GetDpiForMonitor(hMonitor, MonitorDpiType.EffectiveDpi, out var dpiX, out var dpiY); var result = GetDpiForMonitor(hMonitor, MonitorDpiType.EffectiveDpi, out var dpiX, out var dpiY);
@ -172,7 +176,7 @@ namespace Greenshot.Base.Core
/// </summary> /// </summary>
/// <param name="hWnd">IntPtr</param> /// <param name="hWnd">IntPtr</param>
/// <returns>uint with dpi</returns> /// <returns>uint with dpi</returns>
[DllImport("User32.dll")] [DllImport("user32.dll")]
private static extern uint GetDpiForWindow(IntPtr hWnd); private static extern uint GetDpiForWindow(IntPtr hWnd);
/// <summary> /// <summary>
@ -193,7 +197,7 @@ namespace Greenshot.Base.Core
/// Returns the system DPI. /// Returns the system DPI.
/// </summary> /// </summary>
/// <returns>uint with the system DPI</returns> /// <returns>uint with the system DPI</returns>
[DllImport("User32.dll")] [DllImport("user32.dll")]
private static extern uint GetDpiForSystem(); private static extern uint GetDpiForSystem();
} }
} }