public static bool ReleaseContext(IntPtr source, IntPtr hIMC)
{
if (hIMC != IntPtr.Zero)
{
return(IMENativeWrapper.ImmReleaseContext(source, hIMC));
}
return(false);
}
public static bool SetCompositionWindow(
IntPtr hIMC,
RadTextBoxControlElement caretTextBox,
Point point)
{
ImeHelper.SetCompositionFont(caretTextBox, hIMC);
return(IMENativeWrapper.ImmSetCompositionWindow(hIMC, ref new IMENativeWrapper.CompositionForm()
{
dwStyle = 32, ptCurrentPos = { x = Math.Max(0, point.X), y = Math.Max(0, point.Y) }
}));
}
public static void EnableImmComposition()
{
if (ImeHelper.threadMgrFailed)
{
return;
}
if (ImeHelper.threadMgr == null)
{
IMENativeWrapper.TF_CreateThreadMgr(out ImeHelper.threadMgr);
if (ImeHelper.threadMgr == null)
{
ImeHelper.threadMgrFailed = true;
return;
}
}
ImeHelper.threadMgr.SetFocus(IntPtr.Zero);
}
public static string GetImmCompositionString(IntPtr immContext, int dwIndex)
{
int compositionStringW1 = IMENativeWrapper.ImmGetCompositionStringW(immContext, dwIndex, (StringBuilder)null, 0);
if (compositionStringW1 < 0)
{
return((string)null);
}
StringBuilder lpBuf = new StringBuilder(compositionStringW1 / 2);
int compositionStringW2 = IMENativeWrapper.ImmGetCompositionStringW(immContext, dwIndex, lpBuf, compositionStringW1);
if (compositionStringW2 < 0)
{
return((string)null);
}
return(lpBuf.ToString().Substring(0, compositionStringW2 / 2));
}
private static void SetCompositionFont(RadTextBoxControlElement caretTextBox, IntPtr hIMC)
{
double height = (double)caretTextBox.Font.Height;
IMENativeWrapper.LOGFONT logfont = new IMENativeWrapper.LOGFONT()
{
lfHeight = (int)height, lfFaceName = caretTextBox.Font.FontFamily.Name
};
IntPtr num = Marshal.AllocHGlobal(Marshal.SizeOf((object)logfont));
try
{
Marshal.StructureToPtr((object)logfont, num, true);
IMENativeWrapper.ImmSetCompositionFontW(hIMC, num);
}
finally
{
Marshal.FreeHGlobal(num);
}
}
public static IntPtr GetDefaultIMEWnd()
{
return(IMENativeWrapper.ImmGetDefaultIMEWnd(IntPtr.Zero));
}
public static bool NotifyCompositionStringCancel(IntPtr hIMC)
{
return(IMENativeWrapper.ImmNotifyIME(hIMC, 21, 4, 0));
}
public static IntPtr AssociateContext(NativeWindow source, IntPtr hIMC)
{
return(IMENativeWrapper.ImmAssociateContext(source.Handle, hIMC));
}
public static IntPtr GetContext(IntPtr source)
{
return(IMENativeWrapper.ImmGetContext(source));
}
