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Use system hand cursor

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Universal fix, will fix any affected Form

Fixes #3341
This commit is contained in:
Charles Milette 2018-04-29 11:02:13 -04:00
parent d4b050148b
commit d8c2a7f796
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GPG key ID: 1A5AE81377AD973A
3 changed files with 21 additions and 0 deletions
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1
ShareX.HelpersLib/Native/NativeConstants.cs
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@ -82,6 +82,7 @@ public static class NativeConstants
public const uint ECM_FIRST = 0x1500;
public const uint EM_SETCUEBANNER = ECM_FIRST + 1;
public const int IDC_HAND = 32649;
public const uint MA_ACTIVATE = 1;
public const uint MA_ACTIVATEANDEAT = 2;
public const uint MA_NOACTIVATE = 3;

3
ShareX.HelpersLib/Native/NativeMethods.cs
View file

@ -193,6 +193,9 @@ public static partial class NativeMethods
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool IsZoomed(IntPtr hWnd);
[DllImport("user32.dll")]
public static extern IntPtr LoadCursor(IntPtr hInstance, int iconId);
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool PrintWindow(IntPtr hwnd, IntPtr hDC, uint nFlags);

17
ShareX/Program.cs
View file

@ -30,6 +30,7 @@
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Text;
using System.Threading;
using System.Windows.Forms;
@ -226,14 +227,23 @@ public static string ScreenshotsFolder
[STAThread]
private static void Main(string[] args)
{
#if !DEBUG // Allow Visual Studio to break on exceptions in Debug builds.
Application.ThreadException += Application_ThreadException;
AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
#endif
StartTimer = Stopwatch.StartNew(); // For be able to show startup time
CLI = new CLIManager(args);
CLI.ParseCommands();
// Fix the hand cursor before we open any form.
try
{
FixHandCursor();
}
catch (Exception) { } // If it fails, we'll just have to live with the old hand.
#if STEAM
if (CheckUninstall()) return; // Steam will run ShareX with -Uninstall when uninstalling
#endif
@ -580,5 +590,12 @@ private static void CleanTempFiles()
}
}).Start();
}
private static void FixHandCursor()
{
// https://referencesource.microsoft.com/#System.Windows.Forms/winforms/Managed/System/WinForms/Cursors.cs,423
typeof(Cursors).GetField("hand", BindingFlags.NonPublic | BindingFlags.Static)
?.SetValue(null, new Cursor(NativeMethods.LoadCursor(IntPtr.Zero, NativeConstants.IDC_HAND)));
}
}
}