/* private static void BlockPrintScreen(Form f, bool bBlock)
* {
* if(f == null) { Debug.Assert(false); return; }
*
* try
* {
* if(bBlock)
* {
* NativeMethods.RegisterHotKey(f.Handle, NativeMethods.IDHOT_SNAPDESKTOP,
* 0, NativeMethods.VK_SNAPSHOT);
* NativeMethods.RegisterHotKey(f.Handle, NativeMethods.IDHOT_SNAPWINDOW,
* NativeMethods.MOD_ALT, NativeMethods.VK_SNAPSHOT);
* }
* else
* {
* NativeMethods.UnregisterHotKey(f.Handle, NativeMethods.IDHOT_SNAPWINDOW);
* NativeMethods.UnregisterHotKey(f.Handle, NativeMethods.IDHOT_SNAPDESKTOP);
* }
* }
* catch(Exception) { Debug.Assert(false); }
* } */
internal static DialogResult ShowDialog <TForm, TResult>(bool bProtect,
GFunc <TForm> fnConstruct, GFunc <TForm, TResult> fnResultBuilder,
out TResult r)
where TForm : Form
where TResult : class
{
if (fnConstruct == null)
{
Debug.Assert(false); throw new ArgumentNullException("fnConstruct");
}
if (fnResultBuilder == null)
{
Debug.Assert(false); throw new ArgumentNullException("fnResultBuilder");
}
r = null;
if (!bProtect)
{
TForm tf = fnConstruct();
if (tf == null)
{
Debug.Assert(false); return(DialogResult.None);
}
try
{
DialogResult drDirect = tf.ShowDialog();
r = fnResultBuilder(tf); // Always
return(drDirect);
}
finally { UIUtil.DestroyForm(tf); }
}
UIFormConstructor fnUifC = delegate(object objParam)
{
return(fnConstruct());
};
UIFormResultBuilder fnUifRB = delegate(Form f)
{
TForm tf = (f as TForm);
if (tf == null)
{
Debug.Assert(false); return(null);
}
return(fnResultBuilder(tf));
};
ProtectedDialog dlg = new ProtectedDialog(fnUifC, fnUifRB);
object objResult;
DialogResult dr = dlg.ShowDialog(out objResult, null);
r = (objResult as TResult);
return(dr);
}
public ProtectedDialog(UIFormConstructor fnConstruct,
UIFormResultBuilder fnResultBuilder)
{
if(fnConstruct == null) { Debug.Assert(false); throw new ArgumentNullException("fnConstruct"); }
if(fnResultBuilder == null) { Debug.Assert(false); throw new ArgumentNullException("fnResultBuilder"); }
m_fnConstruct = fnConstruct;
m_fnResultBuilder = fnResultBuilder;
}
public ProtectedDialog(UIFormConstructor fnConstruct,
UIFormResultBuilder fnResultBuilder)
{
if (fnConstruct == null)
{
Debug.Assert(false); throw new ArgumentNullException("fnConstruct");
}
if (fnResultBuilder == null)
{
Debug.Assert(false); throw new ArgumentNullException("fnResultBuilder");
}
m_fnConstruct = fnConstruct;
m_fnResultBuilder = fnResultBuilder;
}
