// CORE SHOW METHODS:
// All static Show() calls forward here -
// it is responsible for retrieving
// or creating our cached TaskDialog instance, getting it configured,
// and in turn calling the appropriate instance Show.
private static TaskDialogResult ShowCoreStatic(
string text,
string instructionText,
string caption) {
CoreHelpers.ThrowIfNotVista();
// If no instance cached yet, create it.
if (staticDialog == null) {
// New TaskDialog will automatically pick up defaults when
// a new config structure is created as part of ShowCore().
staticDialog = new TaskDialog();
}
// Set the few relevant properties,
// and go with the defaults for the others.
staticDialog.text = text;
staticDialog.instructionText = instructionText;
staticDialog.caption = caption;
return staticDialog.Show();
}
/// <summary>
/// Dispose TaskDialog Resources
/// </summary>
/// <param name="disposing">If true, indicates that this is being called via Dispose rather than via the finalizer.</param>
public void Dispose(bool disposing) {
if (!disposed) {
disposed = true;
if (disposing) {
// Clean up managed resources.
if (nativeDialog != null && nativeDialog.ShowState == DialogShowState.Showing) {
nativeDialog.NativeClose(TaskDialogResult.Cancel);
}
buttons = null;
radioButtons = null;
commandLinks = null;
}
// Clean up unmanaged resources SECOND, NTD counts on
// being closed before being disposed.
if (nativeDialog != null) {
nativeDialog.Dispose();
nativeDialog = null;
}
if (staticDialog != null) {
staticDialog.Dispose();
staticDialog = null;
}
}
}