/// <summary>
/// Go to the previous "page"
/// </summary>
/// <returns>bool if this worked</returns>
public bool Previous()
{
var result = false;
ScrollInfo scrollInfoBefore;
var hasScrollInfo = TryRetrievePosition(out scrollInfoBefore);
switch (ScrollMode)
{
case ScrollModes.KeyboardPageUpDown:
result = InputGenerator.KeyPress(VirtualKeyCodes.PRIOR) == 2;
break;
case ScrollModes.WindowsMessage:
result = SendScrollMessage(ScrollBarCommands.SB_PAGEUP);
break;
case ScrollModes.AbsoluteWindowMessage:
if (!hasScrollInfo)
{
return(false);
}
// Calculate previous position, clone the scrollInfoBefore
var scrollInfoForPrevious = scrollInfoBefore;
scrollInfoForPrevious.Position = Math.Max(scrollInfoBefore.Minimum, scrollInfoBefore.Position - (int)scrollInfoBefore.PageSize);
result = ApplyPosition(ref scrollInfoForPrevious);
break;
case ScrollModes.MouseWheel:
var bounds = ScrollingWindow.GetInfo().Bounds;
var middlePoint = new NativePoint(bounds.X + bounds.Width / 2, bounds.Y + bounds.Height / 2);
result = InputGenerator.MoveMouseWheel(WheelDelta, middlePoint) == 1;
break;
}
return(result);
}
private async Task TestInput()
{
// Start a process to test against
using (var process = Process.Start("notepad.exe"))
{
// Make sure it's started
Assert.NotNull(process);
// Wait until the process started it's message pump (listening for input)
process.WaitForInputIdle();
// Find the belonging window
var notepadWindow = await WindowsEnumerator.EnumerateWindowsAsync()
.Where(interopWindow =>
{
int processId;
User32Api.GetWindowThreadProcessId(interopWindow.Handle, out processId);
return(processId == process.Id);
})
.FirstOrDefaultAsync();
Assert.NotNull(notepadWindow);
// Send input
var sentInputs = InputGenerator.KeyPress(VirtualKeyCodes.KEY_R, VirtualKeyCodes.KEY_O, VirtualKeyCodes.KEY_B, VirtualKeyCodes.KEY_I, VirtualKeyCodes.KEY_N);
// Test if we indead sent 10 inputs (5 x down & up)
Assert.Equal((uint)10, sentInputs);
// Kill the process
process.Kill();
}
}
/// <summary>
/// Set the window as foreground window
/// </summary>
/// <param name="interopWindow">The window to bring to the foreground</param>
/// <param name="workaround">bool with true to use a trick (press Alt) to really bring the window to the foreground</param>
public static async Task ToForegroundAsync(this IInteropWindow interopWindow, bool workaround = true)
{
// Nothing we can do if it's not visible!
if (!interopWindow.IsVisible())
{
return;
}
// Window is already the foreground window
if (User32Api.GetForegroundWindow() == interopWindow.Handle)
{
return;
}
if (interopWindow.IsMinimized())
{
interopWindow.Restore();
while (interopWindow.IsMinimized())
{
await Task.Delay(50).ConfigureAwait(false);
}
}
// See https://msdn.microsoft.com/en-us/library/windows/desktop/ms633539(v=vs.85).aspx
if (workaround)
{
// Simulate an "ALT" key press, make it double to remove menu activation
InputGenerator.KeyPress(VirtualKeyCodes.MENU, VirtualKeyCodes.MENU);
}
// Show window in forground.
User32Api.BringWindowToTop(interopWindow.Handle);
User32Api.SetForegroundWindow(interopWindow.Handle);
}
private void prepare()
{
WriteLine("3");
Thread.Sleep(1000);
WriteLine("2");
Thread.Sleep(1000);
WriteLine("1");
Thread.Sleep(1000);
InputGenerator.KeyPress(VirtualKeyCodes.KEY_K);
Thread.Sleep(233);
}
/// <summary>
/// Move to the start
/// </summary>
/// <returns>bool if this worked</returns>
public bool Start()
{
var result = false;
ScrollInfo scrollInfoBefore;
var hasScrollInfo = TryRetrievePosition(out scrollInfoBefore);
switch (ScrollMode)
{
case ScrollModes.KeyboardPageUpDown:
InputGenerator.KeyDown(VirtualKeyCodes.CONTROL);
InputGenerator.KeyPress(VirtualKeyCodes.HOME);
InputGenerator.KeyUp(VirtualKeyCodes.CONTROL);
result = true;
break;
case ScrollModes.WindowsMessage:
result = SendScrollMessage(ScrollBarCommands.SB_TOP);
break;
case ScrollModes.AbsoluteWindowMessage:
result = hasScrollInfo;
if (hasScrollInfo)
{
// Calculate start position, clone the scrollInfoBefore
var scrollInfoForStart = scrollInfoBefore;
scrollInfoForStart.Position = scrollInfoBefore.Minimum;
result = ApplyPosition(ref scrollInfoForStart);
}
break;
case ScrollModes.MouseWheel:
result = true;
while (!IsAtStart)
{
if (!Previous())
{
break;
}
}
break;
}
return(result);
}
public void SendInput()
{
switch (Type)
{
case KeyType.KeyDown:
InputGenerator.KeyDown((VirtualKeyCodes)(Num + 48));
Debug.WriteLine("Pushed" + Num.ToString());
break;
case KeyType.KeyUp:
InputGenerator.KeyUp((VirtualKeyCodes)(Num + 48));
Debug.WriteLine("Released " + Num.ToString());
break;
case KeyType.KeyPress:
InputGenerator.KeyPress((VirtualKeyCodes)(Num + 48));
Debug.WriteLine("Pressed" + Num.ToString());
break;
}
}
/// <summary>
/// Test scrolling a window
/// </summary>
/// <returns></returns>
//[StaFact]
private async Task TestScrollingAsync()
{
var breakScroll = false;
IDisposable keyboardhook = null;
try
{
keyboardhook = KeyboardHook.KeyboardEvents.Where(args => args.Key == VirtualKeyCodes.ESCAPE).Subscribe(args => breakScroll = true);
// Start a process to test against
using (var process = Process.Start("notepad.exe", "C:\\Windows\\setupact.log"))
{
// Make sure it's started
Assert.NotNull(process);
// Wait until the process started it's message pump (listening for input)
process.WaitForInputIdle();
try
{
// Find the belonging window, by the process id
var notepadWindow = WindowsEnumerator.EnumerateWindows()
.FirstOrDefault(interopWindow =>
{
int processId;
User32Api.GetWindowThreadProcessId(interopWindow.Handle, out processId);
return(processId == process.Id);
});
Assert.NotNull(notepadWindow);
// Create a WindowScroller
var scroller = notepadWindow.GetChildren().Select(window => window.GetWindowScroller(ScrollBarTypes.Vertical)).FirstOrDefault();
Assert.NotNull(scroller);
// Notepad should have ScrollBarInfo
scroller.GetScrollbarInfo();
Assert.True(scroller.ScrollBar.HasValue);
Log.Info().WriteLine("Scrollbar info: {0}", scroller.ScrollBar.Value);
User32Api.SetForegroundWindow(scroller.ScrollingWindow.Handle);
await Task.Delay(1000);
// Just make sure the window is changed
InputGenerator.KeyPress(VirtualKeyCodes.NEXT, VirtualKeyCodes.DOWN);
await Task.Delay(2000);
scroller.ScrollMode = ScrollModes.WindowsMessage;
scroller.ShowChanges = false;
// Move the window to the start
Assert.True(scroller.Start());
// A delay to make the window move
await Task.Delay(2000);
// Check if it did move to the start
Assert.True(scroller.IsAtStart);
// Loop
do
{
if (breakScroll)
{
break;
}
// Next "page"
Assert.True(scroller.Next());
// Wait a bit, so the window can update
await Task.Delay(300);
// Loop as long as we are not at the end yet
} while (!scroller.IsAtEnd);
scroller.Reset();
}
finally
{
// Kill the process
process.Kill();
}
}
}
finally
{
keyboardhook?.Dispose();
}
}
