// The new task dialog does not support the existing
// Win32 functions for closing (e.g. EndDialog()); instead,
// a "click button" message is sent. In this case, we're
// abstracting out to say that the TaskDialog consumer can
// simply call "Close" and we'll "click" the cancel button.
// Note that the cancel button doesn't actually
// have to exist for this to work.
internal void NativeClose(TaskDialogResult result)
{
showState = DialogShowState.Closing;
int id = (int)TaskDialogNativeMethods.TASKDIALOG_COMMON_BUTTON_RETURN_ID.IDCANCEL;
if (result == TaskDialogResult.Close)
{
id = (int)TaskDialogNativeMethods.TASKDIALOG_COMMON_BUTTON_RETURN_ID.IDCLOSE;
}
else if (result == TaskDialogResult.CustomButtonClicked)
{
id = DialogsDefaults.MinimumDialogControlId; // custom buttons
}
else if (result == TaskDialogResult.No)
{
id = (int)TaskDialogNativeMethods.TASKDIALOG_COMMON_BUTTON_RETURN_ID.IDNO;
}
else if (result == TaskDialogResult.Ok)
{
id = (int)TaskDialogNativeMethods.TASKDIALOG_COMMON_BUTTON_RETURN_ID.IDOK;
}
else if (result == TaskDialogResult.Retry)
{
id = (int)TaskDialogNativeMethods.TASKDIALOG_COMMON_BUTTON_RETURN_ID.IDRETRY;
}
else if (result == TaskDialogResult.Yes)
{
id = (int)TaskDialogNativeMethods.TASKDIALOG_COMMON_BUTTON_RETURN_ID.IDYES;
}
SendMessageHelper(TaskDialogNativeMethods.TASKDIALOG_MESSAGES.TDM_CLICK_BUTTON, id, 0);
}
/// <summary>
/// Displays the dialog.
/// </summary>
/// <returns>A <see cref="CommonFileDialogResult"/> object.</returns>
public CommonFileDialogResult ShowDialog()
{
CommonFileDialogResult result;
// Fetch derived native dialog (i.e. Save or Open).
InitializeNativeFileDialog();
nativeDialog = GetNativeFileDialog();
// Apply outer properties to native dialog instance.
ApplyNativeSettings(nativeDialog);
InitializeEventSink(nativeDialog);
// Clear user data if Reset has been called
// since the last show.
if (resetSelections)
{
resetSelections = false;
}
// Show dialog.
showState = DialogShowState.Showing;
int hresult = nativeDialog.Show(parentWindow);
showState = DialogShowState.Closed;
// Create return information.
if (CoreErrorHelper.Matches(hresult, (int)HResult.Win32ErrorCanceled))
{
canceled = true;
result = CommonFileDialogResult.Cancel;
filenames.Clear();
}
else
{
canceled = false;
result = CommonFileDialogResult.Ok;
// Populate filenames if user didn't cancel.
PopulateWithFileNames(filenames);
// Populate the actual IShellItems
PopulateWithIShellItems(items);
}
return(result);
}
// The new task dialog does not support the existing Win32 functions for closing (e.g. EndDialog()); instead, a "click button"
// message is sent. In this case, we're abstracting out to say that the TaskDialog consumer can simply call "Close" and we'll "click"
// the cancel button. Note that the cancel button doesn't actually have to exist for this to work.
internal void NativeClose(TaskDialogResult result)
{
ShowState = DialogShowState.Closing;
int id;
switch (result)
{
case TaskDialogResult.Close:
id = (int)TaskDialogNativeMethods.TaskDialogCommonButtonReturnIds.Close;
break;
case TaskDialogResult.CustomButtonClicked:
id = DialogsDefaults.MinimumDialogControlId; // custom buttons
break;
case TaskDialogResult.No:
id = (int)TaskDialogNativeMethods.TaskDialogCommonButtonReturnIds.No;
break;
case TaskDialogResult.Ok:
id = (int)TaskDialogNativeMethods.TaskDialogCommonButtonReturnIds.Ok;
break;
case TaskDialogResult.Retry:
id = (int)TaskDialogNativeMethods.TaskDialogCommonButtonReturnIds.Retry;
break;
case TaskDialogResult.Yes:
id = (int)TaskDialogNativeMethods.TaskDialogCommonButtonReturnIds.Yes;
break;
default:
id = (int)TaskDialogNativeMethods.TaskDialogCommonButtonReturnIds.Cancel;
break;
}
SendMessageHelper(TaskDialogNativeMethods.TaskDialogMessages.ClickButton, id, 0);
}
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;
}
}
/// <summary>
/// Displays the dialog.
/// </summary>
/// <returns>A <see cref="CommonFileDialogResult"/> object.</returns>
public CommonFileDialogResult ShowDialog()
{
CommonFileDialogResult result;
// Fetch derived native dialog (i.e. Save or Open).
InitializeNativeFileDialog();
nativeDialog = GetNativeFileDialog();
// Apply outer properties to native dialog instance.
ApplyNativeSettings(nativeDialog);
InitializeEventSink(nativeDialog);
// Clear user data if Reset has been called
// since the last show.
if (resetSelections)
{
resetSelections = false;
}
// Show dialog.
showState = DialogShowState.Showing;
int hresult = nativeDialog.Show(parentWindow);
showState = DialogShowState.Closed;
// Create return information.
if (CoreErrorHelper.Matches(hresult, (int)HResult.Win32ErrorCanceled))
{
canceled = true;
result = CommonFileDialogResult.Cancel;
filenames.Clear();
}
else
{
canceled = false;
result = CommonFileDialogResult.Ok;
// Populate filenames if user didn't cancel.
PopulateWithFileNames(filenames);
// Populate the actual IShellItems
PopulateWithIShellItems(items);
}
return result;
}
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;
}
}
// The new task dialog does not support the existing
// Win32 functions for closing (e.g. EndDialog()); instead,
// a "click button" message is sent. In this case, we're
// abstracting out to say that the TaskDialog consumer can
// simply call "Close" and we'll "click" the cancel button.
// Note that the cancel button doesn't actually
// have to exist for this to work.
internal void NativeClose(TaskDialogResult result)
{
showState = DialogShowState.Closing;
int id = (int)TaskDialogNativeMethods.TASKDIALOG_COMMON_BUTTON_RETURN_ID.IDCANCEL;
if(result == TaskDialogResult.Close)
id = (int)TaskDialogNativeMethods.TASKDIALOG_COMMON_BUTTON_RETURN_ID.IDCLOSE;
else if(result == TaskDialogResult.CustomButtonClicked)
id = DialogsDefaults.MinimumDialogControlId; // custom buttons
else if(result == TaskDialogResult.No)
id = (int)TaskDialogNativeMethods.TASKDIALOG_COMMON_BUTTON_RETURN_ID.IDNO;
else if(result == TaskDialogResult.Ok)
id = (int)TaskDialogNativeMethods.TASKDIALOG_COMMON_BUTTON_RETURN_ID.IDOK;
else if(result == TaskDialogResult.Retry)
id = (int)TaskDialogNativeMethods.TASKDIALOG_COMMON_BUTTON_RETURN_ID.IDRETRY;
else if(result == TaskDialogResult.Yes)
id = (int)TaskDialogNativeMethods.TASKDIALOG_COMMON_BUTTON_RETURN_ID.IDYES;
SendMessageHelper(TaskDialogNativeMethods.TASKDIALOG_MESSAGES.TDM_CLICK_BUTTON, id, 0);
}
public 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 = 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;
}
Exception 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;
}
}
// The new task dialog does not support the existing
// Win32 functions for closing (e.g. EndDialog()); instead,
// a "click button" message is sent. In this case, we're
// abstracting out to say that the TaskDialog consumer can
// simply call "Close" and we'll "click" the cancel button.
// Note that the cancel button doesn't actually
// have to exist for this to work.
public void NativeClose(TaskDialogResult result)
{
ShowState = DialogShowState.Closing;
int id;
switch (result)
{
case TaskDialogResult.Close:
id = (int)TaskDialogNativeMethods.TaskDialogCommonButtonReturnIds.Close;
break;
case TaskDialogResult.CustomButtonClicked:
id = DialogsDefaults.MinimumDialogControlId; // custom buttons
break;
case TaskDialogResult.No:
id = (int)TaskDialogNativeMethods.TaskDialogCommonButtonReturnIds.No;
break;
case TaskDialogResult.Ok:
id = (int)TaskDialogNativeMethods.TaskDialogCommonButtonReturnIds.Ok;
break;
case TaskDialogResult.Retry:
id = (int)TaskDialogNativeMethods.TaskDialogCommonButtonReturnIds.Retry;
break;
case TaskDialogResult.Yes:
id = (int)TaskDialogNativeMethods.TaskDialogCommonButtonReturnIds.Yes;
break;
default:
id = (int)TaskDialogNativeMethods.TaskDialogCommonButtonReturnIds.Cancel;
break;
}
SendMessageHelper(TaskDialogNativeMethods.TaskDialogMessages.ClickButton, id, 0);
}
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;
}
}
/// <summary>
/// Raises the <see cref="CommonFileDialog.FileOk"/> event just before the dialog is about to return with a result.
/// </summary>
/// <param name="e">The event data.</param>
protected virtual void OnFileOk(CancelEventArgs e)
{
showState = DialogShowState.Closing;
CancelEventHandler handler = FileOk;
// Populate filenames if user didn't cancel.
PopulateWithFileNames(filenames);
// Populate the actual IShellItems
PopulateWithIShellItems(items);
if (handler != null)
{
handler(this, e);
}
}