Help Version 19.0.2017.10.27
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#include "ltmf.h"
C Syntax |
HRESULT IltmfConvert_get_VideoWindowTop(pConvert, pVal) |
C++ Syntax |
HRESULT get_VideoWindowTop(pVal) |
IltmfConvert *pConvert; |
pointer to an interface |
long *pVal; |
top position of the video window |
Retrieves the top position of the video preview window, in pixels.
Parameter |
Description |
pConvert |
Pointer to an IltmfConvert interface. |
pVal |
Pointer to a variable to be updated with the top position of the video preview window, in pixels. The value is relative to the VideoWindowFrame. |
S_OK |
The function was successful. |
<> S_OK |
An error occurred. Refer to the Error Codes or the HRESULT error codes in the MediaFoundation documentation. |
Use the IltmfConvert::get_VideoHeight function to retrieve the current video height, in pixels. Use the IltmfConvert::get_VideoWidth function to retrieve the current video width, in pixels. Use the IltmfConvert::get_VideoWindowHandle function to retrieve the handle to the current video preview window. Use the IltmfConvert::get_VideoWindowHeight function to retrieve the height of the video preview window, in pixels. Use the IltmfConvert::get_VideoWindowLeft function to retrieve the left position of the video preview window, in pixels. Use the IltmfConvert::get_VideoWindowWidth function to retrieve the width of the video preview window, in pixels. Use the IltmfConvert::get_VideoWindowTop function to retrieve the top of the video preview window, in pixels.
Required DLLs and Libraries
LTMF For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Win32, x64
For a C++ example, refer to IltmfConvert::SaveStillBitmap
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