private bool GetMenuTitle(out DD_CAM_MENU_TITLE MenuTitle)
{
MenuTitle = new DD_CAM_MENU_TITLE();
IKsControl pControl = CiFilter as IKsControl;
if (pControl == null)
{
return(false);
}
KSMETHOD KsProperty = new KSMETHOD(KSPROPERTYSET_DD_COMMON_INTERFACE,
(Int32)KSPROPERTY_DD_COMMON_INTERFACE.KSPROPERTY_DD_CAM_MENU_TITLE,
KSPROPERTY_TYPE_GET);
Int32 ulMenuSize = Marshal.SizeOf(MenuTitle);
Int32 dwReturned = 0;
// Initialize unmanged memory to hold the struct.
IntPtr pTitle = Marshal.AllocHGlobal(Marshal.SizeOf(MenuTitle));
try
{
Int32 hr = pControl.KsProperty(ref KsProperty, Marshal.SizeOf(KsProperty),
pTitle, ulMenuSize,
ref dwReturned
);
if (hr != 0 || dwReturned != ulMenuSize)
{
return(false);
}
MenuTitle = (DD_CAM_MENU_TITLE)Marshal.PtrToStructure(pTitle, typeof(DD_CAM_MENU_TITLE));
return(true);
}
finally
{
// Free the unmanaged memory.
Marshal.FreeHGlobal(pTitle);
}
}
private bool GetMenuTitle(out DD_CAM_MENU_TITLE MenuTitle)
{
MenuTitle = new DD_CAM_MENU_TITLE();
IKsControl pControl = CiFilter as IKsControl;
if (pControl == null) return false;
KSMETHOD KsProperty = new KSMETHOD(KSPROPERTYSET_DD_COMMON_INTERFACE,
(Int32)KSPROPERTY_DD_COMMON_INTERFACE.KSPROPERTY_DD_CAM_MENU_TITLE,
KSPROPERTY_TYPE_GET);
Int32 ulMenuSize = Marshal.SizeOf(MenuTitle);
Int32 dwReturned = 0;
// Initialize unmanged memory to hold the struct.
IntPtr pTitle = Marshal.AllocHGlobal(Marshal.SizeOf(MenuTitle));
try
{
Int32 hr = pControl.KsProperty(ref KsProperty, Marshal.SizeOf(KsProperty),
pTitle, ulMenuSize,
ref dwReturned
);
if (hr != 0 || dwReturned != ulMenuSize)
return false;
MenuTitle = (DD_CAM_MENU_TITLE)Marshal.PtrToStructure(pTitle, typeof (DD_CAM_MENU_TITLE));
return true;
}
finally
{
// Free the unmanaged memory.
Marshal.FreeHGlobal(pTitle);
}
}
