private static Rectangle GetWindowPlacement(IntPtr hWnd)
{
WindowRect rect = new WindowRect();
Win32Ext.GetWindowRect(hWnd, ref rect);
return(rect);
}
private static string GetWindowText(IntPtr hWnd)
{
int length = Win32Ext.GetWindowTextLength(hWnd) + 1;
StringBuilder name = new StringBuilder(length);
Win32Ext.GetWindowText(hWnd, name, length);
return(name.ToString());
}
private static bool NeedSpecialCapturing(IntPtr hWnd)
{
if (Win32Ext.IsIconic(hWnd))
{
return(true);
}
return(false);
}
/// <summary>
/// Get the collection of WindowSnap instances fro all available windows
/// </summary>
/// <param name="minimized">Capture a window even it's Minimized</param>
/// <param name="specialCapturring">use special capturing method to capture minmized windows</param>
/// <returns>return collections of WindowSnap instances</returns>
public static WindowSnapCollection GetAllWindows(bool minimized, bool specialCapturring)
{
windowSnaps = new WindowSnapCollection();
countMinimizedWindows = minimized; //set minimized flag capture
useSpecialCapturing = specialCapturring; //set specialcapturing flag
Win32Ext.EnumWindowsCallbackHandler callback = new Win32Ext.EnumWindowsCallbackHandler(EnumWindowsCallback);
Win32Ext.EnumWindows(callback, IntPtr.Zero);
return(new WindowSnapCollection(windowSnaps.ToArray(), true));
}
private static void ExitSpecialCapturing(IntPtr hWnd)
{
Win32Ext.ShowWindow(hWnd, ShowWindowEnum.Minimize);
Win32Ext.SetWindowLong(hWnd, Win32Ext.GWL_EXSTYLE, winLong);
if (minAnimateChanged)
{
XPAppearance.MinAnimate = true;
minAnimateChanged = false;
}
}
private void EnterSpecialCapturing(IntPtr hWnd)
{
if (XPAppearance.MinAnimate)
{
XPAppearance.MinAnimate = false;
minAnimateChanged = true;
}
winLong = Win32Ext.GetWindowLong(hWnd, Win32Ext.GWL_EXSTYLE);
Win32Ext.SetWindowLong(hWnd, Win32Ext.GWL_EXSTYLE, winLong | Win32Ext.WS_EX_LAYERED);
Win32Ext.SetLayeredWindowAttributes(hWnd, 0, 1, Win32Ext.LWA_ALPHA);
Win32Ext.ShowWindow(hWnd, ShowWindowEnum.Restore);
Win32Ext.SendMessage(hWnd, Win32Ext.WM_PAINT, 0, 0);
}
private static Bitmap GetWindowImage(IntPtr hWnd, Size size)
{
try
{
if (size.IsEmpty || size.Height < 0 || size.Width < 0)
{
return(null);
}
Bitmap bmp = new Bitmap(size.Width, size.Height);
Graphics g = Graphics.FromImage(bmp);
IntPtr dc = g.GetHdc();
Win32Ext.PrintWindow(hWnd, dc, 0);
g.ReleaseHdc();
g.Dispose();
return(bmp);
}
catch { return(null); }
}
private WindowSnap(IntPtr hWnd, bool specialCapturing)
{
Rectangle rect = GetWindowPlacement(hWnd);
{
this.IsMinimized = Win32Ext.IsIconic(hWnd);
this.Handle = hWnd;
this.Size = rect.Size;
this.Location = rect.Location;
this.Text = GetWindowText(hWnd);
this.Image = GetWindowImage(hWnd, this.Size);
}
ChildSupport(hWnd);
if (specialCapturing)
{
EnterSpecialCapturing(hWnd);
}
}
/// <summary>
/// Child Window Support
/// </summary>
/// <param name="hWnd"></param>
private void ChildSupport(IntPtr hWnd)
{
#region Condition initialize
WindowInfo wInfo = new WindowInfo()
{
cbSize = WindowInfo.GetSize()
};
Win32Ext.GetWindowInfo(hWnd, ref wInfo);
IntPtr parent = Win32Ext.GetParent(hWnd);
#endregion
#region Condition
if (!ForceMDICapturing || parent == IntPtr.Zero ||
(wInfo.dwExStyle & ExtendedWindowStyles.WS_EX_MDICHILD) != ExtendedWindowStyles.WS_EX_MDICHILD)
{
return;
}
StringBuilder name = new StringBuilder();
Win32Ext.GetClassName(parent, name, Win32Ext.RUNDLL.Length + 1);
if (name.ToString() == Win32Ext.RUNDLL)
{
return;
}
#endregion
#region Child Support
Rectangle pos = GetWindowPlacement(hWnd);
Win32Ext.MoveWindow(hWnd, int.MaxValue, int.MaxValue, pos.Width, pos.Height, true);
Win32Ext.SetParent(hWnd, IntPtr.Zero);
Win32Ext.SetParent(hWnd, parent);
Rectangle parentPos = GetWindowPlacement(parent);
int x = wInfo.rcWindow.Left - parentPos.X;
int y = wInfo.rcWindow.Top - parentPos.Y;
if ((wInfo.dwStyle & WindowStyles.WS_THICKFRAME) == WindowStyles.WS_THICKFRAME)
{
x -= SystemInformation.Border3DSize.Width;
y -= SystemInformation.Border3DSize.Height;
}
Win32Ext.MoveWindow(hWnd, x, y, pos.Width, pos.Height, true);
#endregion
}
private static bool EnumWindowsCallback(IntPtr hWnd, IntPtr lParam)
{
bool specialCapturing = false;
if (hWnd == IntPtr.Zero)
{
return(false);
}
if (!Win32Ext.IsWindowVisible(hWnd))
{
return(true);
}
if (!countMinimizedWindows)
{
if (Win32Ext.IsIconic(hWnd))
{
return(true);
}
}
else if (Win32Ext.IsIconic(hWnd) && useSpecialCapturing)
{
specialCapturing = true;
}
if (GetWindowText(hWnd) == Win32Ext.PROGRAMMANAGER)
{
return(true);
}
var Snap = new WindowSnap(hWnd, specialCapturing);
if (!Snap.Text.Equals(""))
{
windowSnaps.Add(Snap);
}
return(true);
}