nf-directmanipulation-idirectmanipulationmanager-processinput.md

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NF:directmanipulation.IDirectManipulationManager.ProcessInput	IDirectManipulationManager::ProcessInput (directmanipulation.h)	Passes keyboard and mouse messages to the manipulation manager on the app's UI thread.	IDirectManipulationManager interface [Direct Manipulation] ProcessInput method IDirectManipulationManager.ProcessInput IDirectManipulationManager::ProcessInput ProcessInput ProcessInput method [Direct Manipulation] ProcessInput method [Direct Manipulation] IDirectManipulationManager interface directmanipulation.idirectmanipulationmanager_processinput directmanipulation/IDirectManipulationManager::ProcessInput	directmanipulation\idirectmanipulationmanager_processinput.htm	directmanipulation	ed7fa19b-acfe-4d5d-bd71-a77e5016fe68	12/05/2018	IDirectManipulationManager interface [Direct Manipulation],ProcessInput method, IDirectManipulationManager.ProcessInput, IDirectManipulationManager::ProcessInput, ProcessInput, ProcessInput method [Direct Manipulation], ProcessInput method [Direct Manipulation],IDirectManipulationManager interface, directmanipulation.idirectmanipulationmanager_processinput, directmanipulation/IDirectManipulationManager::ProcessInput	directmanipulation.h		Windows	Windows 8 [desktop apps only]	Windows Server 2012 [desktop apps only]					DirectManipulation.idl								Windows			19H1	IDirectManipulationManager::ProcessInput directmanipulation/IDirectManipulationManager::ProcessInput	c++	APIRef kbSyntax	COM	DirectManipulation.h	IDirectManipulationManager.ProcessInput

IDirectManipulationManager::ProcessInput

-description

Passes keyboard and mouse messages to the manipulation manager on the app's UI thread.

-parameters

-param message [in]

The input message to process.

-param handled [out, retval]

TRUE if no further processing should be done with this message; otherwise, FALSE.

-returns

If the method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

-remarks

Call this method for mouse and keyboard input.

Examples

The following example shows how to pass messages to the manipulation manager.

LRESULT WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    BOOL handled = FALSE;

LRESULT WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    BOOL handled = FALSE;
    switch (msg)
    {
    case WM_KEYDOWN:
    case WM_POINTERWHEEL:
    case WM_POINTERHWHEEL:
    case WM_MOUSEWHEEL:
    case WM_MOUSEHWHEEL:
        MSG msg = {};
        msg.hwnd = hwnd;
        msg.message = message;
        msg.lParam = lParam;
        msg.wParam = wParam;

        if (FAILED(m_pManipulationManager->ProcessInput(&msg, &handled)))
        {
            handled = false;
        }
        break;
    }

    if ( !handled)
    {
        return DefWindowProc(hwnd,msg,wParam,lParam);
    }
    else
    {
        return 0;
    }
}

-see-also

IDirectManipulationManager