Is_Getdc - THORLABS DCU223x Operation Manual And Sdk

DCx Cameras

4.5.6 is_GetDC

USB 2.0
Syntax
INT is_GetDC (HIDS hCam, HDC* phDC)
Description
Attention
This function is obsolete and should not be used anymore. We recommend to use the
function instead (see also
198
In DirectDraw BackBuffer mode, is_GetDC() returns the device context handle of the overlay buffer. Using this
handle, it is possible to access the overlay using the Windows GDI functionality. Thus, all Windows graphics
commands such as Line, Circle, Rectangle, TextOut, ... are available. You should release the device
context handle as early as possible using the
is executed, the overlay buffer on the screen will not be updated.
Input parameters
hCam
phDC
Return values
IS_SUCCESS
IS_NO_SUCCESS
Related functions
is_ReleaseDC()
403
is_ShowDDOverlay()
is_DisableDDOverlay()
is_EnableDDOverlay()
is_GetDDOvlSurface()
is_SetDisplayMode()
388
-
Obsolete functions
379
is_ReleaseDC()
446
383
384
389
322
).
function. While a GetDC...ReleaseDC block
403
Camera handle
Pointer to the variable that is supposed to contain the
device context handle
Function executed successfully
General error message
is_DirectRenderer()
© 2013 Thorlabs GmbH