private void ResizeWindow(IntPtr hwnd, int x, int y, bool relativeOffsets)
{
System.Runtime.InteropServices.HandleRef href = new System.Runtime.InteropServices.HandleRef(null, User32.GetAncestor(hwnd, User32.GA_FlagEnum.GA_ROOT));
// Get current width & height
Microsoft.Test.Win32.NativeStructs.RECT parentRect = GetWindowRect(href.Handle);
Microsoft.Test.Win32.NativeStructs.RECT rect = GetWindowRect(hwnd);
int dx = x + parentRect.Width - rect.Width;
int dy = y + parentRect.Height - rect.Height;
if (relativeOffsets)
{
dx = parentRect.right + x;
dy = parentRect.bottom + y;
}
if (dx == rect.left && dy == rect.top)
{
return;
}
bool success = Microsoft.Test.Win32.NativeMethods.MoveWindow(href, parentRect.left, parentRect.top, dx, dy, true);
Microsoft.Test.Threading.DispatcherHelper.DoEvents(100);
if (!success)
{
throw new System.Runtime.InteropServices.ExternalException("Call to Win32 API ('MoveWindow') failed ");
}
}
private static Bitmap CreateBitmapFromWindowHandle(IntPtr windowHandle,
Microsoft.Test.Win32.NativeStructs.RECT r)
{
WaitForCompleteRender();
//System.Diagnostics.Trace.WriteLine(String.Format(
// "Capturing bitmap for window in rectangle [{0};{1} - {2};{3}]",
// r.left, r.top, r.right, r.bottom));
GlobalLog.LogStatus(String.Format(
"Capturing bitmap for window in rectangle [{0};{1} - {2};{3}]",
r.left, r.top, r.right, r.bottom));
new SecurityPermission(PermissionState.Unrestricted).Assert();
int cx = r.Width;
int cy = r.Height;
if (cx <= 0)
{
throw new Exception("Window to create bitmap for has <= 0 width.");
}
if (cy <= 0)
{
throw new Exception("Window to create bitmap for has <= 0 height.");
}
IntPtr sourceDC = NativeMethods.GetDC(new HandleRef(new object(), (IntPtr)null));
Microsoft.Test.Win32.NativeStructs.POINT topLeft = new Microsoft.Test.Win32.NativeStructs.POINT(0, 0); //Get the screen co-ordinates of the client origin.
NativeMethods.ClientToScreen(windowHandle, ref topLeft);
if ((int)sourceDC == 0)
{
string message = String.Format(
"Unable to retrieve device context for window handle {0}.",
(int)windowHandle);
throw new Exception(message);
}
try
{
Bitmap bitmap = new Bitmap(cx, cy,
System.Drawing.Imaging.PixelFormat.Format24bppRgb);
Graphics graphics = Graphics.FromImage(bitmap);
IntPtr destination = graphics.GetHdc();
const int SRCCOPY = 0x00CC0020;
NativeMethods.SafeBitBlt(destination, 0, 0, cx, cy, sourceDC, topLeft.x, topLeft.y,
SRCCOPY);
graphics.ReleaseHdc(destination);
graphics.Dispose();
return(bitmap);
}
finally
{
// Win32.ReleaseDC(windowHandle, sourceDC);
NativeMethods.ReleaseDC(new HandleRef(new object(), windowHandle), new HandleRef(new object(), sourceDC));
}
}
private Microsoft.Test.Win32.NativeStructs.RECT GetWindowRect(IntPtr hwnd)
{
System.Runtime.InteropServices.HandleRef href = new System.Runtime.InteropServices.HandleRef(null, hwnd);
Microsoft.Test.Win32.NativeStructs.RECT retval = new Microsoft.Test.Win32.NativeStructs.RECT();
bool success = Microsoft.Test.Win32.NativeMethods.GetWindowRect(href, ref retval);
if (!success)
{
throw new System.Runtime.InteropServices.ExternalException("Call to Win32 API ('GetWindowRect') failed ");
}
return(retval);
}
/// <summary>Creates a bitmap with the image a user sees for a window.</summary>
/// <param name="windowHandle">Handle to the window.</param>
/// <returns>The created bitmap.</returns>
public static Bitmap CreateBitmapFromWindowHandle(IntPtr windowHandle)
{
new SecurityPermission(PermissionState.Unrestricted).Assert();
Microsoft.Test.Win32.NativeStructs.RECT r = new Microsoft.Test.Win32.NativeStructs.RECT(0, 0, 0, 0);
//Win32.GetClientRect(windowHandle, ref r);
NativeMethods.GetClientRect(new HandleRef(new object(), windowHandle), ref r);
if (r.Width == 0)
{
GlobalLog.LogDebug("Unable to retrieve client rectangle for window.");
GlobalLog.LogDebug("The whole window will be used instead.");
//Win32.GetWindowRect(windowHandle, ref r);
NativeMethods.GetWindowRect(new HandleRef(new object(), windowHandle), ref r);
if (r.Width == 0)
{
throw new Exception("The window refuses to provide width.");
}
}
return(CreateBitmapFromWindowHandle(windowHandle, r));
}
