internal void NativeShow()
{
// Applies config struct and other settings, then calls main Win32 function.
if (settings == null)
{
throw new InvalidOperationException(LocalizedMessages.NativeTaskDialogConfigurationError);
}
// Do a last-minute parse of the various dialog control lists, and only allocate the memory at the last minute.
MarshalDialogControlStructs();
// Make the call and show the dialog.
// NOTE: this call is BLOCKING, though the thread WILL re-enter via the DialogProc.
try
{
ShowState = DialogShowState.Showing;
int selectedButtonId;
int selectedRadioButtonId;
bool checkBoxChecked;
// Here is the way we use "vanilla" P/Invoke to call TaskDialogIndirect().
HResult hresult;
using (new EnableThemingInScope(true))
{
hresult = TaskDialogNativeMethods.TaskDialogIndirect(
nativeDialogConfig,
out selectedButtonId,
out selectedRadioButtonId,
out checkBoxChecked);
}
if (CoreErrorHelper.Failed(hresult))
{
string msg;
switch (hresult)
{
case HResult.InvalidArguments:
msg = LocalizedMessages.NativeTaskDialogInternalErrorArgs;
break;
case HResult.OutOfMemory:
msg = LocalizedMessages.NativeTaskDialogInternalErrorComplex;
break;
default:
msg = string.Format(System.Globalization.CultureInfo.InvariantCulture,
LocalizedMessages.NativeTaskDialogInternalErrorUnexpected,
hresult);
break;
}
var e = Marshal.GetExceptionForHR((int)hresult);
throw new Win32Exception(msg, e);
}
SelectedButtonId = selectedButtonId;
SelectedRadioButtonId = selectedRadioButtonId;
CheckBoxChecked = checkBoxChecked;
}
catch (EntryPointNotFoundException exc)
{
throw new NotSupportedException(LocalizedMessages.NativeTaskDialogVersionError, exc);
}
finally
{
ShowState = DialogShowState.Closed;
}
}
internal void NativeShow()
{
// Applies config struct and other settings, then
// calls main Win32 function.
if (settings == null)
{
throw new InvalidOperationException(
"An error has occurred in dialog configuration.");
}
// Do a last-minute parse of the various dialog control lists,
// and only allocate the memory at the last minute.
MarshalDialogControlStructs();
// Make the call and show the dialog.
// NOTE: this call is BLOCKING, though the thread
// WILL re-enter via the DialogProc.
try
{
showState = DialogShowState.Showing;
// Here is the way we use "vanilla" P/Invoke to call
// TaskDialogIndirect().
HRESULT hresult = TaskDialogNativeMethods.TaskDialogIndirect(
nativeDialogConfig,
out selectedButtonID,
out selectedRadioButtonID,
out checkBoxChecked);
if (CoreErrorHelper.Failed(hresult))
{
string msg;
switch (hresult)
{
case HRESULT.E_INVALIDARG:
msg = "Invalid arguments to Win32 call.";
break;
case HRESULT.E_OUTOFMEMORY:
msg = "Dialog contents too complex.";
break;
default:
msg = String.Format(
"An unexpected internal error occurred in the Win32 call:{0:x}",
hresult);
break;
}
Exception e = Marshal.GetExceptionForHR((int)hresult);
throw new Win32Exception(msg, e);
}
}
catch (EntryPointNotFoundException)
{
throw new NotSupportedException("TaskDialog feature needs to load version 6 of comctl32.dll but a different version is current loaded in memory.");
}
finally
{
showState = DialogShowState.Closed;
}
}