Hello,
I have simple dilemma about what is propper syntax and semanthics when using Unsafe Native Methods with UI Permissions. Here is example of program code with explenation at official MS Visual Studio Docs:
Article link
If I have understand correctly the syntax is this :
create NEW UI PERMISSION
call Unsafe Method
What I did not understand ,
Do I have to repeatedly create New UI Security Permission, each time I call Unsafe Method ?
If I have to call many different Unsafe Methods successively , do I have to create new UI Security Permission for each one of them.
What I have tried:
After reading a lot of unfamiliar stuf on the Internet about this subject I have created program that works properly, debbuger do not shows any errors or warnings, but I still do not know is it correctly written. Here is peace of code :
void Register_Clipboard_Listener_And_HotKeys()
{
Registration_Message = string.Empty;
new UIPermission(UIPermissionWindow.AllWindows, UIPermissionClipboard.AllClipboard).Demand();
Clipboard_Listener = UnsafeNativeMethods.AddClipboardFormatListener(this.Handle);
if (Clipboard_Listener == false)
{
Registration_Message += " Clipboard listener could not be registered. \n\n";
Registration_Ok = false;
return;
}
new UIPermission(UIPermissionWindow.AllWindows).Demand();
Ctrl_V = UnsafeNativeMethods.RegisterHotKey(this.Handle, V, Control | MOD_NOREPEAT, V);
if (Ctrl_V == false)
{
Registration_Message += " Hot Key - Ctrl + V - could not be registered. \n\n";
Registration_Ok = false;
return;
}
new UIPermission(UIPermissionWindow.AllWindows).Demand();
Ctrl_Alt_V = UnsafeNativeMethods.RegisterHotKey(this.Handle, W, Control | Alt | MOD_NOREPEAT, V);
if (Ctrl_Alt_V == false)
{
Registration_Message += " Hot Key - Ctrl + Alt + V - could not be registered. \n\n";
Registration_Ok = false;
return;
}
Is this part of code correctly written.
Is there anything that is necessary to do before main window is closed.
Thanks in advance.
All the best,
Željko Perić