protected internal override bool ProcessMnemonic(char charCode) {
bool processed = false;
if (CanSelect) {
try {
NativeMethods.tagCONTROLINFO ctlInfo = new NativeMethods.tagCONTROLINFO();
int hr = this.axOleControl.GetControlInfo(ctlInfo);
if (NativeMethods.Succeeded(hr)) {
//
// Sadly, we don't have a message so we must fake one ourselves.
// The message we are faking is a WM_SYSKEYDOWN with the right
// alt key setting.
NativeMethods.MSG msg = new NativeMethods.MSG();
msg.hwnd = IntPtr.Zero;
msg.message = NativeMethods.WM_SYSKEYDOWN;
msg.wParam = (IntPtr) Char.ToUpper(charCode, CultureInfo.CurrentCulture);
msg.lParam = (IntPtr) 0x20180001;
msg.time = SafeNativeMethods.GetTickCount();
NativeMethods.POINT p = new NativeMethods.POINT();
UnsafeNativeMethods.GetCursorPos(p);
msg.pt_x = p.x;
msg.pt_y = p.y;
if (SafeNativeMethods.IsAccelerator(new HandleRef(ctlInfo, ctlInfo.hAccel), ctlInfo.cAccel, ref msg, null)) {
this.axOleControl.OnMnemonic(ref msg);
FocusInternal();
processed = true;
}
}
}
catch (Exception ex) {
if (ClientUtils.IsCriticalException(ex)) {
throw;
}
Debug.Fail("error in processMnemonic");
}
}
return processed;
}
protected internal override bool ProcessMnemonic(char charCode) {
Debug.WriteLineIf(ControlKeyboardRouting.TraceVerbose, "In AxHost.ProcessMnemonic: " + (int)charCode);
if (CanSelect) {
try {
NativeMethods.tagCONTROLINFO ctlInfo = new NativeMethods.tagCONTROLINFO();
int hr = GetOleControl().GetControlInfo(ctlInfo);
if (NativeMethods.Failed(hr)) {
return false;
}
NativeMethods.MSG msg = new NativeMethods.MSG();
// Sadly, we don't have a message so we must fake one ourselves...
// A bit of ugliness here (a bit? more like a bucket...)
// The message we are faking is a WM_SYSKEYDOWN w/ the right alt key setting...
msg.hwnd = (ContainingControl == null) ? IntPtr.Zero : ContainingControl.Handle;
msg.message = NativeMethods.WM_SYSKEYDOWN;
msg.wParam = (IntPtr) Char.ToUpper(charCode, CultureInfo.CurrentCulture);
msg.lParam = (IntPtr) 0x20180001;
msg.time = SafeNativeMethods.GetTickCount();
NativeMethods.POINT p = new NativeMethods.POINT();
UnsafeNativeMethods.GetCursorPos(p);
msg.pt_x = p.x;
msg.pt_y = p.y;
if (SafeNativeMethods.IsAccelerator(new HandleRef(ctlInfo, ctlInfo.hAccel), ctlInfo.cAccel, ref msg, null)) {
GetOleControl().OnMnemonic(ref msg);
Debug.WriteLineIf(ControlKeyboardRouting.TraceVerbose, "\t Processed mnemonic " + msg);
Focus();
return true;
}
}
catch (Exception t) {
Debug.Fail("error in processMnemonic");
Debug.Fail(t.ToString());
return false;
}
}
return false;
}