Computers in the lock screen will state the ClipBoard could not be opened, no lock screen under normal operation

PNG. SaveToClipboardFormat (AFormat AData, APalette);
ClipBoard. SetAsHandle (AFormat and AData);//always open a ClipBoard

OpenClipboard (0);
Try
EmptyClipboard;
SetClipboardData (AFormat and AData)//return 0
The finally
CloseClipboard ();
end;

The above two methods are not
Note is executed in the thread

CodePudding user response:

This should be the operating system problem, the computer in the lock screen to ClipBoard is invalid,
You can, custom caching, to operate, such, is not restricted,

CodePudding user response:

A custom cache? Has a similar example, didn't understand the specific principles