/// <summary>Initializes a new instance of the <see cref="NativeTaskDialogSettings" /> class.</summary>
internal NativeTaskDialogSettings()
{
NativeConfiguration = new TaskDialogConfiguration();
// Apply standard settings.
NativeConfiguration.Size = (uint)Marshal.SizeOf(NativeConfiguration);
NativeConfiguration.ParentHandle = IntPtr.Zero;
NativeConfiguration.Instance = IntPtr.Zero;
NativeConfiguration.TaskDialogFlags = TaskDialogOptions.AllowCancel;
NativeConfiguration.CommonButtons = TaskDialogCommonButtons.Ok;
NativeConfiguration.MainIcon = new IconUnion(0);
NativeConfiguration.FooterIcon = new IconUnion(0);
NativeConfiguration.Width = TaskDialogDefaults.IdealWidth;
// Zero out all the custom button fields.
NativeConfiguration.ButtonCount = 0;
NativeConfiguration.RadioButtonCount = 0;
NativeConfiguration.Buttons = IntPtr.Zero;
NativeConfiguration.RadioButtons = IntPtr.Zero;
NativeConfiguration.DefaultButtonIndex = 0;
NativeConfiguration.DefaultRadioButtonIndex = 0;
// Various text defaults.
NativeConfiguration.WindowTitle = TaskDialogDefaults.Caption;
NativeConfiguration.MainInstruction = TaskDialogDefaults.MainInstruction;
NativeConfiguration.Content = TaskDialogDefaults.Content;
NativeConfiguration.VerificationText = null;
NativeConfiguration.ExpandedInformation = null;
NativeConfiguration.ExpandedControlText = null;
NativeConfiguration.CollapsedControlText = null;
NativeConfiguration.FooterText = null;
}
/// <summary>Sets important text properties.</summary>
/// <param name="dialogConfig">An instance of a <see cref="TaskDialogConfiguration" /> object.</param>
void ApplyTextConfiguration(TaskDialogConfiguration dialogConfig)
{
// note that nulls or empty strings are fine here.
dialogConfig.Content = text;
dialogConfig.WindowTitle = caption;
dialogConfig.MainInstruction = instructionText;
dialogConfig.ExpandedInformation = detailsExpandedText;
dialogConfig.ExpandedControlText = detailsExpandedLabel;
dialogConfig.CollapsedControlText = detailsCollapsedLabel;
dialogConfig.FooterText = footerText;
dialogConfig.VerificationText = checkBoxText;
}
/// <summary>Initializes a new instance of the <see cref="NativeTaskDialog" /> class.</summary>
/// <param name="settings">The settings.</param>
/// <param name="outerDialog">The outer dialog.</param>
internal NativeTaskDialog(NativeTaskDialogSettings settings, TaskDialog outerDialog)
{
nativeDialogConfig = settings.NativeConfiguration;
this.settings = settings;
// Wireup dialog proc message loop for this instance.
nativeDialogConfig.Callback = DialogProc;
ShowState = DialogShowState.PreShow;
// Keep a reference to the outer shell, so we can notify.
this.outerDialog = outerDialog;
}
/// <summary>Initializes a new instance of the <see cref="NativeTaskDialog" /> class.</summary>
/// <param name="settings">The settings.</param>
/// <param name="outerDialog">The outer dialog.</param>
internal NativeTaskDialog(NativeTaskDialogSettings settings, TaskDialog outerDialog)
{
nativeDialogConfig = settings.NativeConfiguration;
this.settings = settings;
// Wireup dialog proc message loop for this instance.
nativeDialogConfig.Callback = DialogProc;
ShowState = DialogShowState.PreShow;
// Keep a reference to the outer shell, so we can notify.
this.outerDialog = outerDialog;
}
/// <summary>Applies the core settings.</summary>
/// <param name="dialogConfig">The settings for the dialog</param>
void ApplyGeneralNativeConfiguration(TaskDialogConfiguration dialogConfig)
{
// If an owner wasn't specifically specified, we'll use the app's main window.
if (ownerWindow != IntPtr.Zero)
{
dialogConfig.ParentHandle = ownerWindow;
}
// Other miscellaneous sets.
dialogConfig.MainIcon = new IconUnion((int)icon);
dialogConfig.FooterIcon = new IconUnion((int)footerIcon);
dialogConfig.CommonButtons = (TaskDialogCommonButtons)standardButtons;
}
/// <summary>Applies the option configuration.</summary>
/// <param name="dialogConfig">The dialog config.</param>
void ApplyOptionConfiguration(TaskDialogConfiguration dialogConfig)
{
// Handle options - start with no options set.
var options = TaskDialogOptions.None;
if (canCancel)
{
options |= TaskDialogOptions.AllowCancel;
}
if (footerCheckBoxChecked.HasValue && footerCheckBoxChecked.Value)
{
options |= TaskDialogOptions.CheckVerificationFlag;
}
if (hyperlinksEnabled)
{
options |= TaskDialogOptions.EnableHyperlinks;
}
if (detailsExpanded)
{
options |= TaskDialogOptions.ExpandedByDefault;
}
if (Tick != null)
{
options |= TaskDialogOptions.UseCallbackTimer;
}
if (startupLocation == TaskDialogStartupLocation.CenterOwner)
{
options |= TaskDialogOptions.PositionRelativeToWindow;
}
// Note: no validation required, as we allow this to be set even if there is no expanded information text
// because that could be added later. Default for Win32 API is to expand into (and after) the content area.
if (expansionMode == TaskDialogExpandedDetailsLocation.ExpandFooter)
{
options |= TaskDialogOptions.ExpandFooterArea;
}
// Finally, apply options to config.
dialogConfig.TaskDialogFlags = options;
}
