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Block window maximize and prevent resizing in WndProc

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DB P 2025-06-02 14:55:46 +09:00
parent a06cb43540
commit 2b4e95e64a
2 changed files with 27 additions and 1 deletions
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7
Flow.Launcher.Infrastructure/Win32Helper.cs
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@ -163,6 +163,13 @@ namespace Flow.Launcher.Infrastructure
SetWindowStyle(hwnd, WINDOW_LONG_PTR_INDEX.GWL_EXSTYLE, (int)newExStyle);
}
public static void BlockWindowMaximize(Window window, HwndSourceHook hook)
{
var handle = GetWindowHandle(window, true);
var hwndSource = HwndSource.FromHwnd(handle);
hwndSource.AddHook(hook);
}
/// <summary>
/// Restore window display in the Alt+Tab window list.
/// </summary>

21
Flow.Launcher/MainWindow.xaml.cs
View file

@ -490,6 +490,12 @@ namespace Flow.Launcher
#region Window WndProc
private const int WM_NCLBUTTONDBLCLK = 0x00A3;
private const int WM_SYSCOMMAND = 0x0112;
private const int SC_MAXIMIZE = 0xF030;
private const int SC_RESTORE = 0xF120;
private const int SC_MINIMIZE = 0xF020;
private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
if (msg == Win32Helper.WM_ENTERSIZEMOVE)
@ -541,7 +547,20 @@ namespace Flow.Launcher
handled = true;
}
if (msg == WM_NCLBUTTONDBLCLK)
{
SizeToContent = SizeToContent.Height;
handled = true;
}
else if (msg == WM_SYSCOMMAND)
{
int command = wParam.ToInt32() & 0xFFF0;
if (command == SC_MAXIMIZE || command == SC_MINIMIZE)
{
SizeToContent = SizeToContent.Height;
handled = true;
}
}
return IntPtr.Zero;
}