IG_GUI_magnify_GrpID

This function returns the group ID of the specified magnify window.

Declaration:

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AT_ERRCOUNT ACCUAPI IG_GUI_magnify_GrpID_get( HWND hwndMag, DWORD* pdwGrpID );

Arguments:

Name	Type	Description
HwndMag	HWND	Handle to magnify the window.
PdwGrpID	DWORD*	Pointer to where the magnify window group ID is to be received.

Return Value:

Returns the number of ImageGear errors that occurred during this function call.

Supported Raster Image Formats:

This function does not process image pixels.

Sample:

None

Example:

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/* Updating magnify window with new gamma correction:?*/ DWORD dwGrpID; IG_GUI_magnify_GrpID_get(hwndMag, &dwGrpID); IG_dspl_gamma_correction_set(hIGear, dwGrpID, IG_DSPL_ALL_CHANNELS, 1.0, 1.0, 1.0); InvalidateRect(hwndMag, NULL, FALSE); UpdateWindow(m_hwndMag);

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/* Updating magnify window with new gamma correction:?*/
      DWORD dwGrpID;
    IG_GUI_magnify_GrpID_get(hwndMag, &dwGrpID);
IG_dspl_gamma_correction_set(hIGear, dwGrpID, IG_DSPL_ALL_CHANNELS, 1.0, 1.0, 1.0);
InvalidateRect(hwndMag, NULL, FALSE);
UpdateWindow(m_hwndMag);

Remarks:

This value can be used for magnify window display attribute corrections.