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Revert "WIP WndProc"

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This reverts commit 0c0b6c67de.
This commit is contained in:
Stefan Markovic 2023-09-21 09:40:26 +02:00
parent 179f3b74db
commit 1b2306eeb7
1 changed files with 0 additions and 71 deletions
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71
src/modules/EnvironmentVariables/EnvironmentVariables/EnvironmentVariablesXAML/MainWindow.xaml.cs
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@ -2,8 +2,6 @@
// The Microsoft Corporation licenses this file to you under the MIT license. // The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information. // See the LICENSE file in the project root for more information.
using System;
using System.Runtime.InteropServices;
using EnvironmentVariables.Helpers; using EnvironmentVariables.Helpers;
using WinUIEx; using WinUIEx;
@ -26,75 +24,6 @@ namespace EnvironmentVariables
var title = App.GetService<IElevationHelper>().IsElevated ? loader.GetString("WindowAdminTitle") : loader.GetString("WindowTitle"); var title = App.GetService<IElevationHelper>().IsElevated ? loader.GetString("WindowAdminTitle") : loader.GetString("WindowTitle");
Title = title; Title = title;
AppTitleTextBlock.Text = title; AppTitleTextBlock.Text = title;
RegisterWindow();
}
private static WinProc newWndProc;
private static IntPtr oldWndProc = IntPtr.Zero;
private delegate IntPtr WinProc(IntPtr hWnd, WindowMessage msg, IntPtr wParam, IntPtr lParam);
[DllImport("User32.dll")]
internal static extern int GetDpiForWindow(IntPtr hwnd);
[DllImport("user32.dll", EntryPoint = "SetWindowLong")]
private static extern int SetWindowLong32(IntPtr hWnd, WindowLongIndexFlags nIndex, WinProc newProc);
[DllImport("user32.dll", EntryPoint = "SetWindowLongPtr")]
private static extern IntPtr SetWindowLongPtr64(IntPtr hWnd, WindowLongIndexFlags nIndex, WinProc newProc);
[DllImport("user32.dll")]
private static extern IntPtr CallWindowProc(IntPtr lpPrevWndFunc, IntPtr hWnd, WindowMessage msg, IntPtr wParam, IntPtr lParam);
private void RegisterWindow()
{
newWndProc = new WinProc(WndProc);
var handle = this.GetWindowHandle();
oldWndProc = SetWindowLongPtr(handle, WindowLongIndexFlags.GWL_WNDPROC, newWndProc);
}
private static IntPtr WndProc(IntPtr hWnd, WindowMessage msg, IntPtr wParam, IntPtr lParam)
{
switch (msg)
{
case WindowMessage.WM_SETTINGSCHANGED:
{
var asd = Marshal.PtrToStringUTF8(lParam);
_ = asd.Substring(0, asd.Length - 1);
break;
}
default:
break;
}
return CallWindowProc(oldWndProc, hWnd, msg, wParam, lParam);
}
[Flags]
private enum WindowLongIndexFlags : int
{
GWL_WNDPROC = -4,
}
private static IntPtr SetWindowLongPtr(IntPtr hWnd, WindowLongIndexFlags nIndex, WinProc newProc)
{
if (IntPtr.Size == 8)
{
return SetWindowLongPtr64(hWnd, nIndex, newProc);
}
else
{
return new IntPtr(SetWindowLong32(hWnd, nIndex, newProc));
}
}
private enum WindowMessage : int
{
WM_SETTINGSCHANGED = 0x001A,
} }
} }
} }