小弟想单独做个函数放在DLL中供各模块调用,代码如下:library Project2;uses
SysUtils, Classes,Controls;
{$R *.res}
procedure Tab(var actctrl:TWincontrol; key:char);
begin
actctrl.Create(nil);
if key=#13 then
FindNextControl(actctrl,True,False,False);
end;exports
Tab;begin
end.但是编译时出现如下错误: Undeclared identifier:'FindNextControl'
该如何解决? 我uses了 controls单元,怎么还出现这样的错误?
SysUtils, Classes,Controls;
{$R *.res}
procedure Tab(var actctrl:TWincontrol; key:char);
begin
actctrl.Create(nil);
if key=#13 then
FindNextControl(actctrl,True,False,False);
end;exports
Tab;begin
end.但是编译时出现如下错误: Undeclared identifier:'FindNextControl'
该如何解决? 我uses了 controls单元,怎么还出现这样的错误?
begin
if key=#13 then
SendMessage(handle,WM_NEXTDLGCTL,0,0);
end;
begin
if key=#13 then
SendMessage(handle,WM_NEXTDLGCTL,0,0);
end;
begin
if Key = #13 then
begin
keybd_event(VK_TAB, 0, 0, 0);
keybd_event(VK_TAB, 0, KEYEVENTF_KEYUP, 0);
end;end;