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19th September 2016 09:46 #1
Èçïîëçâàíå íà ñòðåëêèòå îò êëàâèàòóðàòà
Èìàì åäíà ïðîãðàìà, êîÿòî ïðàâÿ íà VC++ 2008. Êàê äà íàïðàâÿ òàêà, ÷å ñòðåëêèòå îò êëàâèàòóðàòà äà ìîãà äà ãè ïîëçâàì â ïðîãðàìàòà, çàùîòî ïî ïîäðàçáèðàíå ìè ìåñòÿò àêòèâíèÿ áóòîí? PgUp, PgDn, Home è End ìîãà äà ãè ïîëçâàì, ñòðåëêèòå- íå.
Åòî ìàëêî êîä:
Êîä:
...
this->KeyDown += (gcnew System::Windows::Forms::KeyEventHandler( this, &MoveForm::Move_KeyPress));
...
...
...
private: System::Void Move_KeyPress(Object^ sender, System::Windows::Forms::KeyEventArgs^ e)
{
switch (e->KeyCode)
{
case Keys::d1 :{break;};
case Keys::d2 :{break;};
case Keys::d3 :{break;};
case Keys::d4 :{break;};
case Keys::d5 :{break;};
case Keys::Escape:{Form::Close();};
case Keys::Up:{break;};
}
e->Handled = true;
}
Êîÿòî è ñòðåëêà äà íàòèñíà íà êëàâèàòóðàòà- èçîáùî íå ñå ñòèãà äî èçïúëíåíèå íà êîäà, çà äðóãèòå áóòîíè ðàáîòè.Ðàäèîòî ïîçâîëÿâà íà ãëóïîñòòà äà ñå ÷óå, òåëåâèçèÿòà- äà ñå âèäè, à èíòåðíåò- äà ñå ðàçïðîñòðàíè.
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19th September 2016 09:54 #2
Ñåòíàë ëè ñè çà ôîðìàòà (Form) KeyPreview ïðîïúðòèòî íà true?
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19th September 2016 10:01 #3
Íå å ïðè ìåí êîäà íà ïðîãðàìàòà â ìîìåíòà, íî ìèñëÿ, ÷å äà.
ÏÏ:
Äà, åäíî ñëåä äðóãî ñà:
this->KeyPreview = true;
this->KeyDown += (gcnew System::Windows::Forms::KeyEventHandler( this, &MoveForm::Move_KeyPress));Last edited by IgIv; 19th September 2016 at 10:19. Reason: Äîïúëíåíèå
Ðàäèîòî ïîçâîëÿâà íà ãëóïîñòòà äà ñå ÷óå, òåëåâèçèÿòà- äà ñå âèäè, à èíòåðíåò- äà ñå ðàçïðîñòðàíè.
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19th September 2016 11:55 #4
Äà, ïðîáëåìúò å îñíîâíî ïðè áóòîíèòå (ïðè ïðîñòà ôîðìà). Òå àâòîìàòè÷íî handle-âàò íÿêîè áóòîíè, êàòî ñòðåëêèòå, Return è äð. Àêî ôîêóñúò å â òåêñòîâî ïîëå, íåùàòà ðàáîòÿò.
Çà âñåêè êîíòðîë (â ñëó÷àÿ áóòîíèòå) îâúððàéäâàø IsInputKey ìåòîäà, êúäåòî òåñòâàø çà ñïåöèàëíèòå êëàâèøè è âðúùàø true (êàêòî btw ãî ïèøå è â õåëïà
). Òàêà ñúîáùåíèåòî îòèâà äî ôîðìàòà, êîÿòî ìîæå äà ãî õâàíå.
Èëè ïîëçâàø PreviewKeyDown event-a äèðåêòíî (íà áóòîíèòå - êúäåòî ñåòâàø e->isInputKey = true; çà áóòîíèòå, êîèòî òå èíòåðåñóâàò ), è â event-a êàêòî äîñåãà çà ôîðìàòà, ñè ïðàâèø îñòàíàëèòå íåùà.
Handler-a çà áóòîíèòå ìîæå äà å åäèí è ñúù çà âñè÷êè áóòîíè, ïðîñòî ãî íàçíà÷àâàø/äîáàâÿø çà âñåêè áóòîí â íåãîâîòî ïðîïåðòè PreviewKeyDown.Last edited by tedych; 19th September 2016 at 12:09.
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19th September 2016 12:59 #5
Áëàãîäàðÿ, ùå ïðîáâàì è ùå ïèøà ðåçóëòàòà.
Ðàäèîòî ïîçâîëÿâà íà ãëóïîñòòà äà ñå ÷óå, òåëåâèçèÿòà- äà ñå âèäè, à èíòåðíåò- äà ñå ðàçïðîñòðàíè.
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19th September 2016 23:08 #6
Ìîæå äà ïîãëåäíåø è SetWindowsHookEx.
ASRock B550M Pro 4; Ryzen R5 3600; 2x16 GiB G.SKILL Aegis 3200; 1TB Samsung QVO 960 + 3TB Seagate IronWolf; Zalman Z1




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