/// <summary> turn on/off the input method editor
/// </summary>
/// <param name="control">
/// </param>
public void controlIme(Control control, int imeMode)
{
if (control is TextBox || control is ComboBox || control is ListBox)
{
int hIMC = NativeWindowCommon.ImmGetContext(control.Handle);
if (hIMC == 0)
{
return;
}
if (!isValid(imeMode))
{
return;
}
if (control is TextBox)
{
if (imeMode == IME_DISABLE)
{
((TextBox)control).ReadOnly = true;
return;
}
}
else
{
imeMode = 0;
}
int imeConvMode = imeMode2imeConvMode(imeMode);
// get current open status
bool isImeOpen = NativeWindowCommon.ImmGetOpenStatus(hIMC);
if (!isImeOpen)
{
NativeWindowCommon.ImmSetOpenStatus(hIMC, true);
}
#if !PocketPC
if (_prevImeState.IsContinue)
#else
if (_prevImeState.IsContinue || _prevImeMode.ConvMode == IME_NOT_INITIALIZED)
#endif
{ _prevImeState.IsOpen = isImeOpen; // save the current open status as the previous state
}
_prevImeState.IsContinue = false;
// get current conversion mode
uint currImeConvMode;
uint saveImeSentence;
NativeWindowCommon.ImmGetConversionStatus(hIMC, out currImeConvMode, out saveImeSentence);
if (_prevImeMode.IsContinue || _prevImeMode.ConvMode == IME_NOT_INITIALIZED)
{
_prevImeMode.ConvMode = (int)currImeConvMode; // save the current conversion mode as the previous state
}
_prevImeMode.IsContinue = false;
if (imeConvMode == IME_CMODE_NOCONVERSION)
{
imeConvMode = _prevImeMode.ConvMode;
if (imeMode == IME_FORCE_OFF || ImeAutoOff)
{
isImeOpen = false;
#if !PocketPC
_prevImeMode.IsContinue = true; // to save the conversion mode when the forcus is moved to other edit control
#endif
}
else
{
isImeOpen = _prevImeState.IsOpen;
_prevImeState.IsContinue = true; // to save the open status when the forcus is moved to other edit control
_prevImeMode.IsContinue = true; // to save the conversion mode when the forcus is moved to other edit control
}
}
else
{
isImeOpen = true;
}
#if PocketPC
if (isImeOpen && (imeConvMode != currImeConvMode))
#else
if (imeConvMode != currImeConvMode)
#endif
{ NativeWindowCommon.ImmSetConversionStatus(hIMC, (uint)imeConvMode, saveImeSentence); }
if (!isImeOpen)
{
#if PocketPC
NativeWindowCommon.ImmSetConversionStatus(hIMC, (uint)IME_CMODE_NOCONVERSION, saveImeSentence);
#endif
NativeWindowCommon.ImmSetOpenStatus(hIMC, false);
}
NativeWindowCommon.ImmReleaseContext(control.Handle, hIMC);
}
}