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Fixed WindowLong issue, the MSDN documentation doesn't work for .NET

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2400 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom 2012-12-20 14:17:27 +00:00
parent 19f9e0afa7
commit efda1e3025
2 changed files with 38 additions and 8 deletions
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8
GreenshotPlugin/Core/WindowsHelper.cs
View file

@ -776,10 +776,10 @@ namespace GreenshotPlugin.Core {
/// </summary>
public WindowStyleFlags WindowStyle {
get {
return (WindowStyleFlags)User32.GetWindowLongPtr(this.hWnd, (int)WindowLongIndex.GWL_STYLE);
return (WindowStyleFlags)User32.GetWindowLongWrapper(this.hWnd, (int)WindowLongIndex.GWL_STYLE);
}
set {
User32.SetWindowLongPtr(this.hWnd, (int)WindowLongIndex.GWL_STYLE, (uint)value);
User32.SetWindowLongWrapper(this.hWnd, (int)WindowLongIndex.GWL_STYLE, (uint)value);
}
}
@ -802,10 +802,10 @@ namespace GreenshotPlugin.Core {
/// </summary>
public ExtendedWindowStyleFlags ExtendedWindowStyle {
get {
return (ExtendedWindowStyleFlags)User32.GetWindowLongPtr(this.hWnd, (int)WindowLongIndex.GWL_EXSTYLE);
return (ExtendedWindowStyleFlags)User32.GetWindowLongWrapper(this.hWnd, (int)WindowLongIndex.GWL_EXSTYLE);
}
set {
User32.SetWindowLongPtr(this.hWnd, (int)WindowLongIndex.GWL_EXSTYLE, (uint)value);
User32.SetWindowLongWrapper(this.hWnd, (int)WindowLongIndex.GWL_EXSTYLE, (uint)value);
}
}

38
GreenshotPlugin/UnmanagedHelpers/User32.cs
View file

@ -114,11 +114,13 @@ namespace GreenshotPlugin.UnmanagedHelpers {
public extern static int SendMessage(IntPtr hWnd, int wMsg, IntPtr wParam, IntPtr lParam);
[DllImport("user32", SetLastError=true, EntryPoint = "SendMessageA")]
public static extern bool SendMessage(IntPtr hWnd, uint msg, int wParam, int lParam);
// See: http://msdn.microsoft.com/en-us/library/windows/desktop/ms633585%28v=vs.85%29.aspx
[DllImport("user32", EntryPoint="GetWindowLongPtr", SetLastError=true)]
[DllImport("user32", SetLastError = true)]
public extern static uint GetWindowLong(IntPtr hwnd, int index);
[DllImport("user32", SetLastError = true)]
public extern static uint GetWindowLongPtr(IntPtr hwnd, int nIndex);
// See: http://msdn.microsoft.com/en-us/library/windows/desktop/ms644898%28v=vs.85%29.aspx
[DllImport("user32", EntryPoint = "SetWindowLongPtr", SetLastError = true)]
[DllImport("user32", SetLastError = true)]
public static extern int SetWindowLong(IntPtr hWnd, int index, uint styleFlags);
[DllImport("user32", SetLastError = true)]
public static extern int SetWindowLongPtr(IntPtr hWnd, int index, uint styleFlags);
[DllImport("user32", SetLastError = true)]
public static extern IntPtr MonitorFromWindow(IntPtr hwnd, uint dwFlags);
@ -221,6 +223,34 @@ namespace GreenshotPlugin.UnmanagedHelpers {
[DllImport("user32", SetLastError = true)]
public static extern IntPtr CreateIconIndirect(ref IconInfo icon);
/// <summary>
/// Wrapper for the GetWindowLong which decides if the system is 64-bit or not and calls the right one.
/// </summary>
/// <param name="hwnd"></param>
/// <param name="nIndex"></param>
/// <returns></returns>
public static uint GetWindowLongWrapper(IntPtr hwnd, int nIndex) {
if (IntPtr.Size == 8) {
return GetWindowLongPtr(hwnd, nIndex);
} else {
return GetWindowLong(hwnd, nIndex);
}
}
/// <summary>
/// Wrapper for the SetWindowLong which decides if the system is 64-bit or not and calls the right one.
/// </summary>
/// <param name="hwnd"></param>
/// <param name="nIndex"></param>
/// <param name="styleFlags"></param>
public static void SetWindowLongWrapper(IntPtr hwnd, int nIndex, uint styleFlags) {
if (IntPtr.Size == 8) {
SetWindowLongPtr(hwnd, nIndex, styleFlags);
} else {
SetWindowLong(hwnd, nIndex, styleFlags);
}
}
public static uint GetGuiResourcesGDICount() {
return GetGuiResources(Process.GetCurrentProcess().Handle, 0);
}